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KAR Auction Services, Inc. – ‘10-K’ for 12/31/19 – ‘EX-101.LAB’

On:  Wednesday, 2/19/20, at 5:29pm ET   ·   For:  12/31/19   ·   Accession #:  1395942-20-18   ·   File #:  1-34568

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  As Of               Filer                 Filing    For·On·As Docs:Size

 2/19/20  KAR Auction Services, Inc.        10-K       12/31/19  108:15M

Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   2.23M 
 2: EX-4.3      Exhibit 4.3 - Description of the Company's          HTML     36K 
                Securities                                                       
 3: EX-10.13    Exhibit 10.13 - Kar Aip Summary of Terms 2020       HTML     46K 
 4: EX-10.35    Exhibit 10.35 - Form of 2020 Rsu Award Agreement    HTML     55K 
                for Section 16                                                   
 5: EX-10.38    Exhibit 10.38 - Form of 2020 Prsu Award Agreement   HTML     57K 
 6: EX-21.1     Exhibit 21.1 - List of Subsidiaries                 HTML     60K 
 7: EX-23.1     Exhibit 23.1 - Consent of Independent Registered    HTML     30K 
                Public Accounting Firm                                           
 8: EX-31.1     Exhibit 31.1 - CEO Sox 302 Certification            HTML     35K 
 9: EX-31.2     Exhibit 31.2 - CFO Sox 302 Certification            HTML     35K 
10: EX-32.1     Exhibit 32.1 - CEO Sox 906 Certification            HTML     29K 
11: EX-32.2     Exhibit 32.2 - CFO Sox 906 Certification            HTML     29K 
49: R1          Document and Entity Information Cover               HTML     83K 
108: R2          Document and Entity Information                     HTML     36K  
76: R3          Consolidated Statements of Income                   HTML    116K 
33: R4          Consolidated Statements of Comprehensive Income     HTML     40K 
48: R5          Consolidated Balance Sheets                         HTML    164K 
105: R6          Consolidated Balance Sheets (Parenthetical)         HTML     56K  
75: R7          Consolidated Statements of Stockholders' Equity     HTML     91K 
32: R8          Consolidated Statements of Stockholders' Equity     HTML     28K 
                (Parenthetical)                                                  
51: R9          Consolidated Statements of Cash Flows               HTML    152K 
107: R10         Organization and Other Matters                      HTML     46K  
77: R11         Summary of Significant Accounting Policies          HTML     98K 
35: R12         Acquisitions and Equity Method Investments          HTML     47K 
50: R13         IAA Separation and Discontinued Operations          HTML     92K 
106: R14         Stock and Stock-Based Compensation Plans            HTML    135K  
74: R15         Net Income from Continuing Operations Per Share     HTML     52K 
34: R16         Allowance for Credit Losses and Doubtful Accounts   HTML     59K 
47: R17         Finance Receivables and Obligations Collateralized  HTML     67K 
                by Finance Receivables                                           
104: R18         Goodwill and Other Intangible Assets                HTML     93K  
79: R19         Property and Equipment                              HTML     52K 
18: R20         Self Insurance and Retained Loss Reserves           HTML     45K 
57: R21         Long-Term Debt                                      HTML     92K 
88: R22         Financial Instruments                               HTML     56K 
81: R23         Leases                                              HTML     75K 
17: R24         Income Taxes                                        HTML    145K 
56: R25         Employee Benefit Plans                              HTML     31K 
87: R26         Commitments and Contingencies                       HTML     33K 
80: R27         Accumulated Other Comprehensive Loss                HTML     36K 
19: R28         Segment Information                                 HTML    202K 
55: R29         Quarterly Financial Data (Unaudited)                HTML    120K 
52: R30         Subsequent Event                                    HTML     30K 
37: R31         Summary of Significant Accounting Policies          HTML    175K 
                (Policies)                                                       
72: R32         Summary of Significant Accounting Policies          HTML     43K 
                (Tables)                                                         
102: R33         IAA Separation and Discontinued Operations          HTML     94K  
                (Tables)                                                         
53: R34         Stock and Stock-Based Compensation Plans (Tables)   HTML    122K 
38: R35         Net Income from Continuing Operations Per Share     HTML     49K 
                (Tables)                                                         
73: R36         Allowance for Credit Losses and Doubtful Accounts   HTML     63K 
                (Tables)                                                         
103: R37         Finance Receivables and Obligations Collateralized  HTML     63K  
                by Finance Receivables (Tables)                                  
54: R38         Goodwill and Other Intangible Assets (Tables)       HTML     95K 
36: R39         Property and Equipment (Tables)                     HTML     51K 
58: R40         Self Insurance and Retained Loss Reserves (Tables)  HTML     41K 
21: R41         Long-Term Debt (Tables)                             HTML     77K 
85: R42         Financial Instruments (Tables)                      HTML     49K 
92: R43         Leases (Tables)                                     HTML     85K 
60: R44         Income Taxes (Tables)                               HTML    144K 
22: R45         Accumulated Other Comprehensive Loss (Tables)       HTML     35K 
86: R46         Segment Information (Tables)                        HTML    202K 
93: R47         Quarterly Financial Data (Unaudited) (Tables)       HTML    120K 
61: R48         Organization and Other Matters (Details)            HTML     62K 
20: R49         Summary of Significant Accounting Policies          HTML    117K 
                (Details)                                                        
26: R50         Acquisitions (Details)                              HTML     68K 
42: R51         Equity Method Investments (Details)                 HTML     46K 
100: R52         IAA Separation and Discontinued Operations          HTML    140K  
                (Details)                                                        
71: R53         Stock and Stock-Based Compensation Plan Summary     HTML     52K 
                (Details)                                                        
25: R54         KAR Auction Services, Inc. Stock-Based              HTML    100K 
                Compensation Plans (Details)                                     
41: R55         Service and Exit Options (Details)                  HTML    106K 
99: R56         Employee Stock Purchase Plan (Details)              HTML     40K 
70: R57         Share Repurchase Plan (Details)                     HTML     45K 
27: R58         Net Income from Continuing Operations Per Share     HTML     69K 
                (Details)                                                        
39: R59         Allowance for Credit Losses and Doubtful Accounts   HTML     41K 
                (Details)                                                        
91: R60         Allowance for Credit Losses and Doubtful Accounts   HTML     36K 
                (Details 2)                                                      
83: R61         Finance Receivables and Obligations Collateralized  HTML     90K 
                by Finance Receivables (Details)                                 
24: R62         Goodwill and Other Intangible Assets (Details)      HTML     41K 
63: R63         Goodwill and Other Intangible Assets (Details 2)    HTML     43K 
90: R64         Goodwill and Other Intangible Assets (Details 3)    HTML     71K 
82: R65         Property and Equipment (Details)                    HTML     71K 
23: R66         Self Insurance and Retained Loss Reserves           HTML     48K 
                (Details)                                                        
62: R67         Long-Term Debt Summary and Future Principle         HTML    110K 
                Payments (Details)                                               
89: R68         Credit Facilities (Details)                         HTML    159K 
84: R69         Senior Notes (Details)                              HTML     44K 
66: R70         Other Debt (Details)                                HTML     63K 
95: R71         Financial Instruments (Details)                     HTML     60K 
44: R72         Financial Instruments (Details 2)                   HTML     38K 
29: R73         Components of Lease Expense (Details)               HTML     38K 
67: R74         Leases Supplemental Cash Flow Information Related   HTML     42K 
                to Leases (Details)                                              
96: R75         Leases Supplemental Balance Sheet Information       HTML     71K 
                Related to Leases (Details)                                      
45: R76         Leases Maturities of Lease Liabilities (Details)    HTML     68K 
30: R77         Leases Prior Year Leases Under ASC 840 (Details)    HTML     40K 
64: R78         Income Taxes (Details)                              HTML    205K 
98: R79         Income Taxes (Details 2)                            HTML     34K 
65: R80         Income Taxes (Details 3)                            HTML     53K 
94: R81         Employee Benefit Plans (Details)                    HTML     36K 
43: R82         Commitments and Contingencies (Details)             HTML     31K 
28: R83         Accumulated Other Comprehensive Loss) (Details)     HTML     36K 
68: R84         Segment Information (Details)                       HTML    140K 
97: R85         Segment Information (Details 2)                     HTML     49K 
46: R86         Quarterly Financial Data (Unaudited) (Details)      HTML     87K 
31: R87         Subsequent Event Subsequent Event (Details)         HTML     35K 
69: XML         IDEA XML File -- Filing Summary                      XML    192K 
40: XML         XBRL Instance -- kar-20191231x10k_htm                XML   3.54M 
78: EXCEL       IDEA Workbook of Financial Reports                  XLSX    131K 
13: EX-101.CAL  XBRL Calculations -- kar-20191231_cal                XML    306K 
14: EX-101.DEF  XBRL Definitions -- kar-20191231_def                 XML    950K 
15: EX-101.LAB  XBRL Labels -- kar-20191231_lab                      XML   2.48M 
16: EX-101.PRE  XBRL Presentations -- kar-20191231_pre               XML   1.55M 
12: EX-101.SCH  XBRL Schema -- kar-20191231                          XSD    234K 
59: JSON        XBRL Instance as JSON Data -- MetaLinks              502±   755K 
101: ZIP         XBRL Zipped Folder -- 0001395942-20-000018-xbrl      Zip    580K  


‘EX-101.LAB’   —   XBRL Labels — kar-20191231_lab


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
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<link:label id="lab_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE_terseLabel_en-US" xlink:label="lab_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Plan Name </link:label>
<link:label id="lab_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE_label_en-US" xlink:label="lab_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Plan Name [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE" xlink:to="lab_us-gaap_PlanNameAxis_763CDEB9DD981CD3BCDD34D82E308DFE" xlink:type="arc"/>
<link:label id="lab_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4_terseLabel_en-US" xlink:label="lab_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Plan Name </link:label>
<link:label id="lab_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4_label_en-US" xlink:label="lab_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Plan Name [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4" xlink:to="lab_us-gaap_PlanNameDomain_9E435A5CB36C1985CBB034D82E316AC4" xlink:type="arc"/>
<link:label id="lab_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A_terseLabel_en-US" xlink:label="lab_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> KAR Auction Services, Inc. 2009 Omnibus Stock and Incentive Plan </link:label>
<link:label id="lab_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A_label_en-US" xlink:label="lab_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> KAR Auction Services Inc Omnibus Stock and Incentive Plan 2009 [Member] </link:label>
<link:label id="lab_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A_documentation_en-US" xlink:label="lab_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_DE69EB38B832C801D16C34D82E31589A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to KAR Auction Services, Inc. 2009 Omnibus Stock and Incentive Plan of the entity. </link:label>
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<link:label id="lab_kar_PRSUsMember_76212784F51F7BCF34A834D82E32E2F7_terseLabel_en-US" xlink:label="lab_kar_PRSUsMember_76212784F51F7BCF34A834D82E32E2F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PRSUs </link:label>
<link:label id="lab_kar_PRSUsMember_76212784F51F7BCF34A834D82E32E2F7_label_en-US" xlink:label="lab_kar_PRSUsMember_76212784F51F7BCF34A834D82E32E2F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> PRSUs [Member] </link:label>
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<link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_02A7DAF313BD7ED0A55934D82E323CB5_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember_02A7DAF313BD7ED0A55934D82E323CB5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> RSUs </link:label>
<link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_02A7DAF313BD7ED0A55934D82E323CB5_label_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember_02A7DAF313BD7ED0A55934D82E323CB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted Stock Units (RSUs) [Member] </link:label>
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<link:label id="lab_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353_terseLabel_en-US" xlink:label="lab_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Service options </link:label>
<link:label id="lab_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353_label_en-US" xlink:label="lab_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Service Options [Member] </link:label>
<link:label id="lab_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353_documentation_en-US" xlink:label="lab_kar_ServiceOptionsMember_64A32168693310A55E4534D82E338353" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to service options of the entity classified as equity awards. </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7A11A12BB4ACDAF9A5FC34D82E331A2F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7A11A12BB4ACDAF9A5FC34D82E331A2F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock and Stock-Based Compensation Plans </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7A11A12BB4ACDAF9A5FC34D82E331A2F_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7A11A12BB4ACDAF9A5FC34D82E331A2F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award [Line Items] </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_4ECE9A7B8AAB4A8594CF34D82E33BABE_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_4ECE9A7B8AAB4A8594CF34D82E33BABE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based payment arrangement, plan modification, incremental cost </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_4ECE9A7B8AAB4A8594CF34D82E33BABE_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_4ECE9A7B8AAB4A8594CF34D82E33BABE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Plan Modification, Incremental Cost </link:label>
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<link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_61DAC7C5611E61548DA134D82E3331B2_terseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_61DAC7C5611E61548DA134D82E3331B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation expense (in dollars) </link:label>
<link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_61DAC7C5611E61548DA134D82E3331B2_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_61DAC7C5611E61548DA134D82E3331B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Expense </link:label>
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<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_738280AD861A342D6ADC34D82E3417CB_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_738280AD861A342D6ADC34D82E3417CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total income tax benefit recognized (in dollars) </link:label>
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<link:label id="lab_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_22E9DBA8B5C013413F459125BFE55266_label_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_22E9DBA8B5C013413F459125BFE55266" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information Disclosure [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:label="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_22E9DBA8B5C013413F459125BFE55266" xlink:type="locator"/>
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<link:label id="lab_us-gaap_QuarterlyFinancialInformationTextBlock_81BA4FE4D64397283A029125BFE50CB7_terseLabel_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialInformationTextBlock_81BA4FE4D64397283A029125BFE50CB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Data (Unaudited) </link:label>
<link:label id="lab_us-gaap_QuarterlyFinancialInformationTextBlock_81BA4FE4D64397283A029125BFE50CB7_label_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialInformationTextBlock_81BA4FE4D64397283A029125BFE50CB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information [Text Block] </link:label>
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<link:label id="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_847619D992FF5CC251533EFAEEF1FAC4_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAndDilutedAbstract_847619D992FF5CC251533EFAEEF1FAC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Basic and Diluted [Abstract] </link:label>
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<link:label id="lab_us-gaap_EarningsPerShareTextBlock_9549B6E1CCBA526341293EFAEEF13283_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_9549B6E1CCBA526341293EFAEEF13283" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share [Text Block] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_8D09A2B012ECD249E556213B1DEDF145_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_8D09A2B012ECD249E556213B1DEDF145" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Revenues from External Customers and Long-Lived Assets </link:label>
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<link:label id="lab_srt_SegmentGeographicalDomain_1B0C266F15B3BAC9F120213B1DEE9DC2_terseLabel_en-US" xlink:label="lab_srt_SegmentGeographicalDomain_1B0C266F15B3BAC9F120213B1DEE9DC2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment, Geographical </link:label>
<link:label id="lab_srt_SegmentGeographicalDomain_1B0C266F15B3BAC9F120213B1DEE9DC2_label_en-US" xlink:label="lab_srt_SegmentGeographicalDomain_1B0C266F15B3BAC9F120213B1DEE9DC2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Geographical [Domain] </link:label>
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<link:label id="lab_country_US_D9F3A75DB40073C94FA9213B1DEEFDD1_terseLabel_en-US" xlink:label="lab_country_US_D9F3A75DB40073C94FA9213B1DEEFDD1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> U.S. </link:label>
<link:label id="lab_country_US_D9F3A75DB40073C94FA9213B1DEEFDD1_label_en-US" xlink:label="lab_country_US_D9F3A75DB40073C94FA9213B1DEEFDD1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> UNITED STATES </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_D9F3A75DB40073C94FA9213B1DEEFDD1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NonUsMember_C53B981C8926F98650AB213B1DEED7D3_terseLabel_en-US" xlink:label="lab_us-gaap_NonUsMember_C53B981C8926F98650AB213B1DEED7D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign </link:label>
<link:label id="lab_us-gaap_NonUsMember_C53B981C8926F98650AB213B1DEED7D3_label_en-US" xlink:label="lab_us-gaap_NonUsMember_C53B981C8926F98650AB213B1DEED7D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Non-US [Member] </link:label>
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<link:label id="lab_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_C0030E882139116E5B20213B1DEE1680_terseLabel_en-US" xlink:label="lab_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_C0030E882139116E5B20213B1DEE1680" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Geographic Information </link:label>
<link:label id="lab_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_C0030E882139116E5B20213B1DEE1680_label_en-US" xlink:label="lab_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_C0030E882139116E5B20213B1DEE1680" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenues from External Customers and Long-Lived Assets [Line Items] </link:label>
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<link:label id="lab_kar_PercentofForeignRevenueFromCanada_F34E5D7EA9C349B1920F213B1DEE1A50_terseLabel_en-US" xlink:label="lab_kar_PercentofForeignRevenueFromCanada_F34E5D7EA9C349B1920F213B1DEE1A50" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percent of foreign revenue from Canada </link:label>
<link:label id="lab_kar_PercentofForeignRevenueFromCanada_F34E5D7EA9C349B1920F213B1DEE1A50_label_en-US" xlink:label="lab_kar_PercentofForeignRevenueFromCanada_F34E5D7EA9C349B1920F213B1DEE1A50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> PercentofForeignRevenueFromCanada </link:label>
<link:label id="lab_kar_PercentofForeignRevenueFromCanada_F34E5D7EA9C349B1920F213B1DEE1A50_documentation_en-US" xlink:label="lab_kar_PercentofForeignRevenueFromCanada_F34E5D7EA9C349B1920F213B1DEE1A50" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percent of Foreign Revenue From Canada </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_PercentofForeignRevenueFromCanada" xlink:label="loc_kar_PercentofForeignRevenueFromCanada_F34E5D7EA9C349B1920F213B1DEE1A50" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Revenues_52B6E0E34B3EDCF5FD78213B1DEF435B_terseLabel_en-US" xlink:label="lab_us-gaap_Revenues_52B6E0E34B3EDCF5FD78213B1DEF435B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating revenues </link:label>
<link:label id="lab_us-gaap_Revenues_52B6E0E34B3EDCF5FD78213B1DEF435B_label_en-US" xlink:label="lab_us-gaap_Revenues_52B6E0E34B3EDCF5FD78213B1DEF435B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenues </link:label>
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<link:label id="lab_us-gaap_NoncurrentAssets_03D3B66F7BCAFA42A66D213B1DEFD157_terseLabel_en-US" xlink:label="lab_us-gaap_NoncurrentAssets_03D3B66F7BCAFA42A66D213B1DEFD157" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-lived assets </link:label>
<link:label id="lab_us-gaap_NoncurrentAssets_03D3B66F7BCAFA42A66D213B1DEFD157_label_en-US" xlink:label="lab_us-gaap_NoncurrentAssets_03D3B66F7BCAFA42A66D213B1DEFD157" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-Lived Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NoncurrentAssets" xlink:label="loc_us-gaap_NoncurrentAssets_03D3B66F7BCAFA42A66D213B1DEFD157" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D1AC1418321C03F50C5C213B1DEF1DA9_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D1AC1418321C03F50C5C213B1DEF1DA9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disclosure of major customers </link:label>
<link:label id="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D1AC1418321C03F50C5C213B1DEF1DA9_label_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D1AC1418321C03F50C5C213B1DEF1DA9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting, Disclosure of Major Customers </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingDisclosureOfMajorCustomers" xlink:label="loc_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D1AC1418321C03F50C5C213B1DEF1DA9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_BAF6F963C6CF82A25B231B5904680504_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_BAF6F963C6CF82A25B231B5904680504" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_BAF6F963C6CF82A25B231B5904680504" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_C090A0CFEE2342FB11D21B590468FD09_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_C090A0CFEE2342FB11D21B590468FD09" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of accumulated other comprehensive loss </link:label>
<link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_C090A0CFEE2342FB11D21B590468FD09_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_C090A0CFEE2342FB11D21B590468FD09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_C090A0CFEE2342FB11D21B590468FD09" xlink:type="locator"/>
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<link:label id="lab_kar_EquityMethodInvestmentsAbstract_5E12F46E858F643B752A213B20297B5C_label_en-US" xlink:label="lab_kar_EquityMethodInvestmentsAbstract_5E12F46E858F643B752A213B20297B5C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investments [Abstract] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1866803B2DB7F45B4BE8213B20297E04_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1866803B2DB7F45B4BE8213B20297E04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Equity Method Investments </link:label>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5A19DC85184B082C633E213B202924B0_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5A19DC85184B082C633E213B202924B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5A19DC85184B082C633E213B202924B0_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5A19DC85184B082C633E213B202924B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class [Axis] </link:label>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_51E6F18ECE657D14F352213B202A5104_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_51E6F18ECE657D14F352213B202A5104" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Major Class Name </link:label>
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<link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_AA24A25504AAA4CCA26B213B202AD94A_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_AA24A25504AAA4CCA26B213B202AD94A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investment, Name </link:label>
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<link:label id="lab_srt_EquityMethodInvesteeNameDomain_ACE497A7F7E24E428B3B213B202AA158_terseLabel_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain_ACE497A7F7E24E428B3B213B202AA158" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investment, Name </link:label>
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<link:label id="lab_kar_TradeRevMember_1EE39456D9586E670077213B202A862B_terseLabel_en-US" xlink:label="lab_kar_TradeRevMember_1EE39456D9586E670077213B202A862B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> TradeRev </link:label>
<link:label id="lab_kar_TradeRevMember_1EE39456D9586E670077213B202A862B_label_en-US" xlink:label="lab_kar_TradeRevMember_1EE39456D9586E670077213B202A862B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> TradeRev [Member] </link:label>
<link:label id="lab_kar_TradeRevMember_1EE39456D9586E670077213B202A862B_documentation_en-US" xlink:label="lab_kar_TradeRevMember_1EE39456D9586E670077213B202A862B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to TradeRev </link:label>
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<link:label id="lab_srt_RangeAxis_552EBEC70BA82B136E83213B202B06AF_terseLabel_en-US" xlink:label="lab_srt_RangeAxis_552EBEC70BA82B136E83213B202B06AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statistical Measurement </link:label>
<link:label id="lab_srt_RangeAxis_552EBEC70BA82B136E83213B202B06AF_label_en-US" xlink:label="lab_srt_RangeAxis_552EBEC70BA82B136E83213B202B06AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statistical Measurement [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_552EBEC70BA82B136E83213B202B06AF" xlink:type="locator"/>
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<link:label id="lab_srt_RangeMember_2B0CA0A1D342667FE4D8213B202B775E_terseLabel_en-US" xlink:label="lab_srt_RangeMember_2B0CA0A1D342667FE4D8213B202B775E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statistical Measurement </link:label>
<link:label id="lab_srt_RangeMember_2B0CA0A1D342667FE4D8213B202B775E_label_en-US" xlink:label="lab_srt_RangeMember_2B0CA0A1D342667FE4D8213B202B775E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statistical Measurement [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_2B0CA0A1D342667FE4D8213B202B775E" xlink:type="locator"/>
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<link:label id="lab_srt_MinimumMember_583552E7581012DA6904213B202B4F93_terseLabel_en-US" xlink:label="lab_srt_MinimumMember_583552E7581012DA6904213B202B4F93" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum </link:label>
<link:label id="lab_srt_MinimumMember_583552E7581012DA6904213B202B4F93_label_en-US" xlink:label="lab_srt_MinimumMember_583552E7581012DA6904213B202B4F93" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Minimum [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_583552E7581012DA6904213B202B4F93" xlink:type="locator"/>
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<link:label id="lab_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180_terseLabel_en-US" xlink:label="lab_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum </link:label>
<link:label id="lab_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180_label_en-US" xlink:label="lab_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maximum [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180" xlink:to="lab_srt_MaximumMember_77761648A5FFBA91EAC7213B202B0180" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_CB54DE42953A00C25F50213B202CD560_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_CB54DE42953A00C25F50213B202CD560" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Method Investments </link:label>
<link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_CB54DE42953A00C25F50213B202CD560_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_CB54DE42953A00C25F50213B202CD560" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Equity Method Investments [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_CB54DE42953A00C25F50213B202CD560" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_94E66CE455BF472F5933213B202CF9B6_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_94E66CE455BF472F5933213B202CF9B6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity method investment, ownership percentage </link:label>
<link:label id="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_94E66CE455BF472F5933213B202CF9B6_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_94E66CE455BF472F5933213B202CF9B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investment, Ownership Percentage </link:label>
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<link:label id="lab_us-gaap_EquityMethodInvestments_7F99226C5F5166AC0D18213B202C88CC_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_7F99226C5F5166AC0D18213B202C88CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity method investment, carrying value </link:label>
<link:label id="lab_us-gaap_EquityMethodInvestments_7F99226C5F5166AC0D18213B202C88CC_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_7F99226C5F5166AC0D18213B202C88CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_7F99226C5F5166AC0D18213B202C88CC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_2EC6FE78AFA0B5196720213B202C04EC_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_2EC6FE78AFA0B5196720213B202C04EC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gain on previously held equity interest value </link:label>
<link:label id="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_2EC6FE78AFA0B5196720213B202C04EC_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_2EC6FE78AFA0B5196720213B202C04EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain" xlink:label="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_2EC6FE78AFA0B5196720213B202C04EC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_AC278A33AC9EF8A79F45213B202CFC9D_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_AC278A33AC9EF8A79F45213B202CFC9D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other (income) expense, net </link:label>
<link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_AC278A33AC9EF8A79F45213B202CFC9D_label_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_AC278A33AC9EF8A79F45213B202CFC9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Nonoperating Income (Expense) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_AC278A33AC9EF8A79F45213B202CFC9D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NotesAndLoansReceivableNetCurrentAbstract_04B447CE7C5453D29AA73EFAEE9F2DAC_label_en-US" xlink:label="lab_us-gaap_NotesAndLoansReceivableNetCurrentAbstract_04B447CE7C5453D29AA73EFAEE9F2DAC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, after Allowance for Credit Loss, Current [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesAndLoansReceivableNetCurrentAbstract" xlink:label="loc_us-gaap_NotesAndLoansReceivableNetCurrentAbstract_04B447CE7C5453D29AA73EFAEE9F2DAC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_DFE2D915EF2917582BB23EFAEEA0067B_terseLabel_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_DFE2D915EF2917582BB23EFAEEA0067B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together </link:label>
<link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_DFE2D915EF2917582BB23EFAEEA0067B_label_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_DFE2D915EF2917582BB23EFAEEA0067B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets that Continue to be Recognized, Transferred Financial Assets and Other Financial Assets Managed Together [Table] </link:label>
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<link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_D3E95FFB79CC3A2395E13EFAEEA0E398_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_D3E95FFB79CC3A2395E13EFAEEA0E398" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Class of Financing Receivable </link:label>
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<link:label id="lab_kar_December2018AFCARRPAMember_DCB7CE90CE96DC8377613EFAEEA0AB03_terseLabel_en-US" xlink:label="lab_kar_December2018AFCARRPAMember_DCB7CE90CE96DC8377613EFAEEA0AB03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> December 2018 AFC A&R RPA </link:label>
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<link:loc xlink:href="kar-20191231.xsd#kar_December2018AFCARRPAMember" xlink:label="loc_kar_December2018AFCARRPAMember_DCB7CE90CE96DC8377613EFAEEA0AB03" xlink:type="locator"/>
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<link:label id="lab_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4_terseLabel_en-US" xlink:label="lab_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Legal Entity </link:label>
<link:label id="lab_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4_label_en-US" xlink:label="lab_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Legal Entity [Axis] </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4" xlink:to="lab_dei_LegalEntityAxis_3CAF8F5B38E510C897253EFAEEA1D2E4" xlink:type="arc"/>
<link:label id="lab_dei_EntityDomain_376D33A68E1D36BBDF1B3EFAEEA1F666_terseLabel_en-US" xlink:label="lab_dei_EntityDomain_376D33A68E1D36BBDF1B3EFAEEA1F666" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity </link:label>
<link:label id="lab_dei_EntityDomain_376D33A68E1D36BBDF1B3EFAEEA1F666_label_en-US" xlink:label="lab_dei_EntityDomain_376D33A68E1D36BBDF1B3EFAEEA1F666" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity [Domain] </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_376D33A68E1D36BBDF1B3EFAEEA1F666" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain_376D33A68E1D36BBDF1B3EFAEEA1F666" xlink:to="lab_dei_EntityDomain_376D33A68E1D36BBDF1B3EFAEEA1F666" xlink:type="arc"/>
<link:label id="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58_terseLabel_en-US" xlink:label="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> AFC </link:label>
<link:label id="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58_label_en-US" xlink:label="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> AFC [Member] </link:label>
<link:label id="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58_documentation_en-US" xlink:label="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the operating segment of the entity, Automotive Finance Corporation. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_AFCMember" xlink:label="loc_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58" xlink:to="lab_kar_AFCMember_6024CA90A08B15DA15EA3EFAEEA1AD58" xlink:type="arc"/>
<link:label id="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB_terseLabel_en-US" xlink:label="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> AFC Funding Corporation </link:label>
<link:label id="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB_label_en-US" xlink:label="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> AFC Funding Corporation [Member] </link:label>
<link:label id="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB_documentation_en-US" xlink:label="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to AFC Funding Corporation, established for the purpose of purchasing AFC's finance receivables. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_AFCFundingCorporationMember" xlink:label="loc_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB" xlink:to="lab_kar_AFCFundingCorporationMember_E000040959B7E951D0AC3EFAEEA2DDAB" xlink:type="arc"/>
<link:label id="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33_terseLabel_en-US" xlink:label="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> AFCI </link:label>
<link:label id="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33_label_en-US" xlink:label="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Automotive Finance Canada Inc [Member] </link:label>
<link:label id="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33_documentation_en-US" xlink:label="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to Automotive Finance Canada, Inc. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_AutomotiveFinanceCanadaIncMember" xlink:label="loc_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33" xlink:to="lab_kar_AutomotiveFinanceCanadaIncMember_A342C1F1D84FAB9B973E3EFAEEA2FE33" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D_terseLabel_en-US" xlink:label="lab_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Financial Instrument </link:label>
<link:label id="lab_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D_label_en-US" xlink:label="lab_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financial Instrument [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D" xlink:to="lab_us-gaap_FinancialInstrumentAxis_41050582FC3BF84275E73EFAEEA22D9D" xlink:type="arc"/>
<link:label id="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D_terseLabel_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Types of Financial Instruments </link:label>
<link:label id="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D_label_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financial Instruments [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D" xlink:to="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C9EB9317C27AA1B586C13EFAEEA2B75D" xlink:type="arc"/>
<link:label id="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2_terseLabel_en-US" xlink:label="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Floorplan receivables </link:label>
<link:label id="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2_label_en-US" xlink:label="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Floorplan Receivables [Member] </link:label>
<link:label id="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2_documentation_en-US" xlink:label="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Type of financing receivables or securitized financing assets that continue to be recognized and are characterized as floorplan receivables. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FloorplanReceivablesMember" xlink:label="loc_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2" xlink:to="lab_kar_FloorplanReceivablesMember_1EA6F2A09E4D75E374333EFAEEA28DC2" xlink:type="arc"/>
<link:label id="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9_terseLabel_en-US" xlink:label="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Loans </link:label>
<link:label id="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9_label_en-US" xlink:label="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Loans [Member] </link:label>
<link:label id="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9_documentation_en-US" xlink:label="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Type of financing receivables or securitized financing assets that continue to be recognized and are characterized as other loans receivable. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_OtherLoansMember" xlink:label="loc_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9" xlink:to="lab_kar_OtherLoansMember_4B44191CEDA077DABFF83EFAEEA30CE9" xlink:type="arc"/>
<link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04_terseLabel_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance Receivables and Obligations Collateralized by Finance Receivables </link:label>
<link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04_label_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems" xlink:label="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04" xlink:to="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_085E81B3FCA25B16D5203EFAEEA34D04" xlink:type="arc"/>
<link:label id="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1_terseLabel_en-US" xlink:label="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Committed liquidity </link:label>
<link:label id="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1_label_en-US" xlink:label="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable Committed Liquidity </link:label>
<link:label id="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1_documentation_en-US" xlink:label="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of committed liquidity provided by the funding corporation. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FinancingReceivableCommittedLiquidity" xlink:label="loc_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1" xlink:to="lab_kar_FinancingReceivableCommittedLiquidity_4636E4B1EA60B5B16F783EFAEEA406B1" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1_verboseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cost capitalized in connection with US/Canada RPA </link:label>
<link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Debt Issuance Costs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1" xlink:to="lab_us-gaap_PaymentsOfDebtIssuanceCosts_CC40B5838E2D4740C42C3EFAEEA4FDE1" xlink:type="arc"/>
<link:label id="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889_terseLabel_en-US" xlink:label="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Period to define financing receivables as past due (in days) </link:label>
<link:label id="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889_label_en-US" xlink:label="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable Past Due Number of Days </link:label>
<link:label id="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889_documentation_en-US" xlink:label="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the number of days for defining financing receivables as past due. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FinancingReceivablePastDueNumberOfDays" xlink:label="loc_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889" xlink:to="lab_kar_FinancingReceivablePastDueNumberOfDays_A1EA44F2828001A413A93EFAEEA4A889" xlink:type="arc"/>
<link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_720746BB6382128E90C93EFAEEA44627_terseLabel_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_720746BB6382128E90C93EFAEEA44627" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Principal amount of receivables </link:label>
<link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_720746BB6382128E90C93EFAEEA44627_label_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_720746BB6382128E90C93EFAEEA44627" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Continuing Involvement with Continued to be Recognized Transferred Financial Assets, Amount Outstanding </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding" xlink:label="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_720746BB6382128E90C93EFAEEA44627" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_67FA71323763F5CC73883EFAEEA40684_terseLabel_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_67FA71323763F5CC73883EFAEEA40684" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Principal amount of receivables delinquent </link:label>
<link:label id="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_67FA71323763F5CC73883EFAEEA40684_label_en-US" xlink:label="lab_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_67FA71323763F5CC73883EFAEEA40684" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together, Delinquent Amount at End of Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod" xlink:label="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_67FA71323763F5CC73883EFAEEA40684" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod_898DB7943AEBEC987C733EFAEEA5D4D1_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod_898DB7943AEBEC987C733EFAEEA5D4D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net credit losses </link:label>
<link:label id="lab_us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod_898DB7943AEBEC987C733EFAEEA5D4D1_label_en-US" xlink:label="lab_us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod_898DB7943AEBEC987C733EFAEEA5D4D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together, Net Credit Losses During Period </link:label>
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<link:label id="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_250AB09A36425E198FD43EFAEEA52239_verboseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_250AB09A36425E198FD43EFAEEA52239" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Allowance for losses </link:label>
<link:label id="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_250AB09A36425E198FD43EFAEEA52239_label_en-US" xlink:label="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_250AB09A36425E198FD43EFAEEA52239" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, Allowance for Credit Loss, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForNotesAndLoansReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_250AB09A36425E198FD43EFAEEA52239" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_4E720942D70D234C4E673EFAEEA5B3F7_terseLabel_en-US" xlink:label="lab_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_4E720942D70D234C4E673EFAEEA5B3F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance receivables pledged as security </link:label>
<link:label id="lab_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_4E720942D70D234C4E673EFAEEA5B3F7_label_en-US" xlink:label="lab_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_4E720942D70D234C4E673EFAEEA5B3F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pledged Assets, Not Separately Reported, Finance Receivables </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables" xlink:label="loc_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_4E720942D70D234C4E673EFAEEA5B3F7" xlink:type="locator"/>
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<link:label id="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0_terseLabel_en-US" xlink:label="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash reserve as security for obligations of collateralized financing receivables (as a percent) </link:label>
<link:label id="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0_label_en-US" xlink:label="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Reserve as Percentage of Financing Receivable Securitized </link:label>
<link:label id="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0_documentation_en-US" xlink:label="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the cash reserve maintained as a percentage of finance receivables securitized, which serves as security for the obligations collateralized by the financing receivables. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_CashReserveAsPercentageOfFinancingReceivableSecuritized" xlink:label="loc_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0" xlink:to="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_0C80CCAB13E25B22849A3EFAEEA507E0" xlink:type="arc"/>
<link:label id="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F_verboseLabel_en-US" xlink:label="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cash reserve as security for obligations of collateralized financing receivables - circumstance two (as a percent) </link:label>
<link:label id="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F_label_en-US" xlink:label="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Reserve as Percentage of Financing Receivable Securitized - Circumstance Two </link:label>
<link:label id="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F_documentation_en-US" xlink:label="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the cash reserve maintained when certain circumstances are triggered as a percentage of finance receivables securitized, which serves as security for the obligations collaterized by the financing receivables. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo" xlink:label="loc_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_31ECFDE1E84DB9B75CF83EFAEEA5203F" xlink:type="locator"/>
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<link:label id="lab_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488_terseLabel_en-US" xlink:label="lab_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Obligations collateralized by finance receivables, gross </link:label>
<link:label id="lab_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488_label_en-US" xlink:label="lab_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Transfers Accounted For As Secured Borrowings, Associated Liabilities, Gross Amount </link:label>
<link:label id="lab_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488_documentation_en-US" xlink:label="lab_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Gross amount of liabilities associated with financial assets accounted for as secured borrowings recognized in the transferor's statement of financial position at the end of each period presented. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount" xlink:label="loc_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_BA77E9ACD4736C4224C63EFAEEA55488" xlink:type="locator"/>
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<link:label id="lab_us-gaap_UnamortizedDebtIssuanceExpense_5A23AFB68DFD6EC153DF3EFAEEA68BAD_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_UnamortizedDebtIssuanceExpense_5A23AFB68DFD6EC153DF3EFAEEA68BAD" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Unamortized debt issuance costs </link:label>
<link:label id="lab_us-gaap_UnamortizedDebtIssuanceExpense_5A23AFB68DFD6EC153DF3EFAEEA68BAD_label_en-US" xlink:label="lab_us-gaap_UnamortizedDebtIssuanceExpense_5A23AFB68DFD6EC153DF3EFAEEA68BAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unamortized Debt Issuance Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_5A23AFB68DFD6EC153DF3EFAEEA68BAD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_EC8D8999940E7B41E6883EFAEEA6FF7F_terseLabel_en-US" xlink:label="lab_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_EC8D8999940E7B41E6883EFAEEA6FF7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Obligations collateralized by finance receivables </link:label>
<link:label id="lab_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_EC8D8999940E7B41E6883EFAEEA6FF7F_label_en-US" xlink:label="lab_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_EC8D8999940E7B41E6883EFAEEA6FF7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Transfers Accounted for as Secured Borrowings, Associated Liabilities, Carrying Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount" xlink:label="loc_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_EC8D8999940E7B41E6883EFAEEA6FF7F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_BB889CF2208B7C181EC03EFAEFA7F3D2_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_BB889CF2208B7C181EC03EFAEFA7F3D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operations and Disposal Groups [Abstract] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_86505D65E2558E7292FA3EFAEFA7FDB1_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_86505D65E2558E7292FA3EFAEFA7FDB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations </link:label>
<link:label id="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_86505D65E2558E7292FA3EFAEFA7FDB1_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_86505D65E2558E7292FA3EFAEFA7FDB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock" xlink:label="loc_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_86505D65E2558E7292FA3EFAEFA7FDB1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_D21397FB1F8DBFA6D3793EFAEE5D117D_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_D21397FB1F8DBFA6D3793EFAEE5D117D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets Disclosure [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_D21397FB1F8DBFA6D3793EFAEE5D117D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_D21397FB1F8DBFA6D3793EFAEE5D117D" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_D21397FB1F8DBFA6D3793EFAEE5D117D" xlink:type="arc"/>
<link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35_terseLabel_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class </link:label>
<link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35_label_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class [Table] </link:label>
<link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35_documentation_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of finite-lived and indefinite-lived intangible assets, excluding goodwill, in total and by major class. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" xlink:label="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35" xlink:to="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable_E93C0C5C6F66EF52D0473EFAEE5D7E35" xlink:type="arc"/>
<link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546_terseLabel_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class </link:label>
<link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546_label_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class [Axis] </link:label>
<link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546_documentation_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information by major type or class of finite lived and indefinite lived intangible assets. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546" xlink:to="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassAxis_0B09D9A0DA49813FF6663EFAEE5E2546" xlink:type="arc"/>
<link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389_terseLabel_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class </link:label>
<link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389_label_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class [Domain] </link:label>
<link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389_documentation_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the major class of finite lived and indefinite lived intangible assets. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain" xlink:label="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389" xlink:to="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassDomain_AE8D3FF6BDBBFDC89B783EFAEE5EF389" xlink:type="arc"/>
<link:label id="lab_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE_terseLabel_en-US" xlink:label="lab_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tradenames </link:label>
<link:label id="lab_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE_label_en-US" xlink:label="lab_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trade Names [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE" xlink:to="lab_us-gaap_TradeNamesMember_778D37926DEEE4D159523EFAEE5E78FE" xlink:type="arc"/>
<link:label id="lab_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2_terseLabel_en-US" xlink:label="lab_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Computer software & technology </link:label>
<link:label id="lab_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2_label_en-US" xlink:label="lab_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Computer Software, Intangible Asset [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:label="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2" xlink:to="lab_us-gaap_ComputerSoftwareIntangibleAssetMember_7B78654E8560DE05FCA13EFAEE5F8AA2" xlink:type="arc"/>
<link:label id="lab_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2_terseLabel_en-US" xlink:label="lab_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Covenants not to compete </link:label>
<link:label id="lab_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2_label_en-US" xlink:label="lab_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Noncompete Agreements [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2" xlink:to="lab_us-gaap_NoncompeteAgreementsMember_B88EED7DD6C44523F20F3EFAEE5FDBE2" xlink:type="arc"/>
<link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158_terseLabel_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of other intangible assets </link:label>
<link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158_label_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items] </link:label>
<link:label id="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158_documentation_en-US" xlink:label="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:label="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158" xlink:to="lab_kar_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_41C49849BD4270634D643EFAEE608158" xlink:type="arc"/>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Useful lives </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Asset, Useful Life </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9FC6EF89301A7EA458653EFAEE6031DC" xlink:type="arc"/>
<link:label id="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E_verboseLabel_en-US" xlink:label="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Gross carrying amount </link:label>
<link:label id="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E_label_en-US" xlink:label="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Intangible Assets, Gross </link:label>
<link:label id="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E_documentation_en-US" xlink:label="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the gross carrying amount as of the balance sheet date of other indefinite-lived and finite-lived intangible assets. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_OtherIntangibleAssetsGross" xlink:label="loc_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E" xlink:to="lab_kar_OtherIntangibleAssetsGross_CA18986D0709AF8DBA8F3EFAEE61639E" xlink:type="arc"/>
<link:label id="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732_negatedLabel_en-US" xlink:label="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Accumulated amortization </link:label>
<link:label id="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732_label_en-US" xlink:label="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Intangible Assets Accumulated Amortization </link:label>
<link:label id="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732_documentation_en-US" xlink:label="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other Intangible Assets Accumulated Amortization. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_OtherIntangibleAssetsAccumulatedAmortization" xlink:label="loc_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732" xlink:to="lab_kar_OtherIntangibleAssetsAccumulatedAmortization_3FEFF5D3B6BDE7A34F0E3EFAEE616732" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0_totalLabel_en-US" xlink:label="lab_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Carrying value </link:label>
<link:label id="lab_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0_label_en-US" xlink:label="lab_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Intangible Assets, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherIntangibleAssetsNet" xlink:label="loc_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0" xlink:to="lab_us-gaap_OtherIntangibleAssetsNet_2F26D1602C286CE4992D3EFAEE610CB0" xlink:type="arc"/>
<link:label id="lab_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C_terseLabel_en-US" xlink:label="lab_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Indefinite-lived tradenames </link:label>
<link:label id="lab_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C_label_en-US" xlink:label="lab_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Indefinite-Lived Trade Names </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndefiniteLivedTradeNames" xlink:label="loc_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C" xlink:to="lab_us-gaap_IndefiniteLivedTradeNames_B084D874DE6E1B8AA8AB3EFAEE611C6C" xlink:type="arc"/>
<link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_CAF3E5D0D1C269F823513F584F36E84B_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_CAF3E5D0D1C269F823513F584F36E84B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization expense for customer relationships and other intangibles </link:label>
<link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_CAF3E5D0D1C269F823513F584F36E84B_label_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_CAF3E5D0D1C269F823513F584F36E84B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Intangible Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_CAF3E5D0D1C269F823513F584F36E84B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_4397A57674E04A4B94A03F5898266899_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_4397A57674E04A4B94A03F5898266899" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_4397A57674E04A4B94A03F5898266899_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_4397A57674E04A4B94A03F5898266899" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months </link:label>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F0F21A7104209D8ECEA33F589827EFE0_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F0F21A7104209D8ECEA33F589827EFE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F0F21A7104209D8ECEA33F589827EFE0_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F0F21A7104209D8ECEA33F589827EFE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Two </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F0F21A7104209D8ECEA33F589827EFE0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Three </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_7224A5CD4BC553B3A2A53F5898275DE4" xlink:type="arc"/>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Four </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_38676D5BA78FB7F5618E3F589827DF17" xlink:type="arc"/>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_C729C7DDB47F2D3906393F589827064B_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_C729C7DDB47F2D3906393F589827064B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_C729C7DDB47F2D3906393F589827064B_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_C729C7DDB47F2D3906393F589827064B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Five </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_C729C7DDB47F2D3906393F589827064B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_E92AA7DB1CAFE65E37389125BC41FFC4_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_E92AA7DB1CAFE65E37389125BC41FFC4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of financial information regarding the entity's reportable segments </link:label>
<link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_E92AA7DB1CAFE65E37389125BC41FFC4_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_E92AA7DB1CAFE65E37389125BC41FFC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_24913E1320FB56529F319125BC42441E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_24913E1320FB56529F319125BC42441E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of information regarding the geographic areas of entity's operations </link:label>
<link:label id="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_24913E1320FB56529F319125BC42441E_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_24913E1320FB56529F319125BC42441E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F0BF9DED4B48620E73979125BD241EDB_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F0BF9DED4B48620E73979125BD241EDB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of quarterly financial data </link:label>
<link:label id="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F0BF9DED4B48620E73979125BD241EDB_label_en-US" xlink:label="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_F0BF9DED4B48620E73979125BD241EDB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_3487629B2A26B06E9DAA9125BCF14EF7_label_en-US" xlink:label="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_3487629B2A26B06E9DAA9125BCF14EF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retirement Benefits [Abstract] </link:label>
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<link:label id="lab_us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract_A5FA4D4CEE558A7630219125BCF17364_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract_A5FA4D4CEE558A7630219125BCF17364" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 401(k) Plan </link:label>
<link:label id="lab_us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract_A5FA4D4CEE558A7630219125BCF17364_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract_A5FA4D4CEE558A7630219125BCF17364" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan [Abstract] </link:label>
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<link:label id="lab_us-gaap_DefinedContributionPlanCostRecognized_894B561D5C0E339A0F789125BCF2871A_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanCostRecognized_894B561D5C0E339A0F789125BCF2871A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employer's contribution </link:label>
<link:label id="lab_us-gaap_DefinedContributionPlanCostRecognized_894B561D5C0E339A0F789125BCF2871A_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanCostRecognized_894B561D5C0E339A0F789125BCF2871A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan, Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_894B561D5C0E339A0F789125BCF2871A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccountingPoliciesAbstract_3945E33403C3AADE2B73444991235475_label_en-US" xlink:label="lab_us-gaap_AccountingPoliciesAbstract_3945E33403C3AADE2B73444991235475" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Policies [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_3945E33403C3AADE2B73444991235475" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_3945E33403C3AADE2B73444991235475" xlink:to="lab_us-gaap_AccountingPoliciesAbstract_3945E33403C3AADE2B73444991235475" xlink:type="arc"/>
<link:label id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_9D9D18CC5E6140D4927044499123BA6C_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_9D9D18CC5E6140D4927044499123BA6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of significant accounting policies </link:label>
<link:label id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_9D9D18CC5E6140D4927044499123BA6C_label_en-US" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_9D9D18CC5E6140D4927044499123BA6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Significant Accounting Policies [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_SignificantAccountingPoliciesTextBlock_9D9D18CC5E6140D4927044499123BA6C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SignificantAccountingPoliciesTextBlock_9D9D18CC5E6140D4927044499123BA6C" xlink:to="lab_us-gaap_SignificantAccountingPoliciesTextBlock_9D9D18CC5E6140D4927044499123BA6C" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Goodwill </link:label>
<link:label id="lab_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB_label_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Goodwill [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB" xlink:to="lab_us-gaap_ScheduleOfGoodwillTable_0E1CE1BE861B87268050213B1F8867AB" xlink:type="arc"/>
<link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A_terseLabel_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Segments </link:label>
<link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A_label_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segments [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis_445B243A3E90F9750318213B1F88CB4A" xlink:type="arc"/>
<link:label id="lab_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment </link:label>
<link:label id="lab_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB_label_en-US" xlink:label="lab_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segments [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB" xlink:to="lab_us-gaap_SegmentDomain_1D2BA4D0C3CCF60AACDD213B1F887FFB" xlink:type="arc"/>
<link:label id="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A_terseLabel_en-US" xlink:label="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ADESA Auctions </link:label>
<link:label id="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A_label_en-US" xlink:label="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ADESA Auctions [Member] </link:label>
<link:label id="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A_documentation_en-US" xlink:label="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the operating segment of the entity, ADESA, Inc.. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ADESAAuctionsMember" xlink:label="loc_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A" xlink:to="lab_kar_ADESAAuctionsMember_D83B7D02B0E4B1640679213B1F88FA3A" xlink:type="arc"/>
<link:label id="lab_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC_label_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC" xlink:to="lab_us-gaap_GoodwillLineItems_288C700ED2926C10CDB1213B1F891FEC" xlink:type="arc"/>
<link:label id="lab_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in goodwill </link:label>
<link:label id="lab_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB_label_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB" xlink:to="lab_us-gaap_GoodwillRollForward_B0C71F5B121FE4F4F133213B1F8999AB" xlink:type="arc"/>
<link:label id="lab_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77_periodStartLabel_en-US" xlink:label="lab_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at the beginning of the year </link:label>
<link:label id="lab_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77_label_en-US" xlink:label="lab_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77" xlink:to="lab_us-gaap_Goodwill_D686FB011728FED905EE213B1F89EB77" xlink:type="arc"/>
<link:label id="lab_us-gaap_GoodwillAcquiredDuringPeriod_430115B47B31CA871633213B1F8ADDA0_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAcquiredDuringPeriod_430115B47B31CA871633213B1F8ADDA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Increase for acquisition activity </link:label>
<link:label id="lab_us-gaap_GoodwillAcquiredDuringPeriod_430115B47B31CA871633213B1F8ADDA0_label_en-US" xlink:label="lab_us-gaap_GoodwillAcquiredDuringPeriod_430115B47B31CA871633213B1F8ADDA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill, Acquired During Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_430115B47B31CA871633213B1F8ADDA0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GoodwillOtherIncreaseDecrease_FC9CB9A8649820E6ADDD213B1F8AC95A_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillOtherIncreaseDecrease_FC9CB9A8649820E6ADDD213B1F8AC95A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>
<link:label id="lab_us-gaap_GoodwillOtherIncreaseDecrease_FC9CB9A8649820E6ADDD213B1F8AC95A_label_en-US" xlink:label="lab_us-gaap_GoodwillOtherIncreaseDecrease_FC9CB9A8649820E6ADDD213B1F8AC95A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill, Other Increase (Decrease) </link:label>
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<link:label id="lab_us-gaap_Goodwill_93BE945BE85F7124ABA8213B1F8AF40E_periodEndLabel_en-US" xlink:label="lab_us-gaap_Goodwill_93BE945BE85F7124ABA8213B1F8AF40E" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at the end of the year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_93BE945BE85F7124ABA8213B1F8AF40E" xlink:type="locator"/>
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<link:label id="lab_kar_SupplementalbalancesheetinformationrelatedtoleasesAbstract_0ED114F94A25B6D50EF240268163E10B_label_en-US" xlink:label="lab_kar_SupplementalbalancesheetinformationrelatedtoleasesAbstract_0ED114F94A25B6D50EF240268163E10B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental balance sheet information related to leases [Abstract] </link:label>
<link:label id="lab_kar_SupplementalbalancesheetinformationrelatedtoleasesAbstract_0ED114F94A25B6D50EF240268163E10B_documentation_en-US" xlink:label="lab_kar_SupplementalbalancesheetinformationrelatedtoleasesAbstract_0ED114F94A25B6D50EF240268163E10B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Supplemental balance sheet information related to leases [Abstract] </link:label>
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<link:label id="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule Of Supplemental Balance Sheet Information Related To Leases </link:label>
<link:label id="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33_label_en-US" xlink:label="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule Of Supplemental Balance Sheet Information Related To Leases [Table] </link:label>
<link:label id="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33_documentation_en-US" xlink:label="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Schedule of supplemental balance sheet information related to leases. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable" xlink:label="loc_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTable_CE4E462AA125DD0D569E40268163DB33" xlink:type="locator"/>
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<link:label id="lab_us-gaap_BalanceSheetLocationAxis_05A8B21331C11C6A82E8402681641B13_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_05A8B21331C11C6A82E8402681641B13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location </link:label>
<link:label id="lab_us-gaap_BalanceSheetLocationAxis_05A8B21331C11C6A82E8402681641B13_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_05A8B21331C11C6A82E8402681641B13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_05A8B21331C11C6A82E8402681641B13" xlink:type="locator"/>
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<link:label id="lab_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location </link:label>
<link:label id="lab_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625" xlink:to="lab_us-gaap_BalanceSheetLocationDomain_9DBA38A5E59A2FE08368402681645625" xlink:type="arc"/>
<link:label id="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65_terseLabel_en-US" xlink:label="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease </link:label>
<link:label id="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65_label_en-US" xlink:label="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating lease [Member] </link:label>
<link:label id="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65_documentation_en-US" xlink:label="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Operating lease </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_OperatingleaseMember" xlink:label="loc_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65" xlink:to="lab_kar_OperatingleaseMember_B4110B862BA66AF7923140268165FB65" xlink:type="arc"/>
<link:label id="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968_terseLabel_en-US" xlink:label="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance lease </link:label>
<link:label id="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968_label_en-US" xlink:label="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance lease [Member] </link:label>
<link:label id="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968_documentation_en-US" xlink:label="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Finance lease </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FinanceleaseMember" xlink:label="loc_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968" xlink:to="lab_kar_FinanceleaseMember_9DA1C13E28F6CC9D22EC402681653968" xlink:type="arc"/>
<link:label id="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229_terseLabel_en-US" xlink:label="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of supplemental balance sheet information related to leases </link:label>
<link:label id="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229_label_en-US" xlink:label="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of supplemental balance sheet information related to leases [Line Items] </link:label>
<link:label id="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229_documentation_en-US" xlink:label="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Schedule of supplemental balance sheet information related to leases </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems" xlink:label="loc_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229" xlink:to="lab_kar_ScheduleofsupplementalbalancesheetinformationrelatedtoleasesLineItems_1FF15E7303257E92927A40268165D229" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease right-of-use assets </link:label>
<link:label id="lab_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Right-of-Use Asset </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05" xlink:to="lab_us-gaap_OperatingLeaseRightOfUseAsset_834EBC506837DA266B0B40268165EB05" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other accrued expenses </link:label>
<link:label id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7_label_en-US" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Accrued Liabilities, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7" xlink:to="lab_us-gaap_OtherAccruedLiabilitiesCurrent_001A1997DAB6896DEF0F40268166A0B7" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease liabilities </link:label>
<link:label id="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Liability, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868" xlink:to="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_F57F8435E6F1F3475C38402681664868" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Total operating lease liabilities </link:label>
<link:label id="lab_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Liability </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D" xlink:to="lab_us-gaap_OperatingLeaseLiability_1FC2D8CE0D45F5A08F2C40268167587D" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment, gross </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentGross_2E1BACA5966296CEB71840268167EE2C" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated depreciation </link:label>
<link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9_label_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9" xlink:to="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_748A2BA01444D0460ECB40268167C0A9" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment, net </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_489751353E4BEA29FAC740268167356F" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other liabilities </link:label>
<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Liabilities, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent_F9DEA1EE2BC929D545FB402681672695" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total finance lease liabilities </link:label>
<link:label id="lab_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiability" xlink:label="loc_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F" xlink:to="lab_us-gaap_FinanceLeaseLiability_B6785F99B535386ACEC5402681676D1F" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average remaining lease term for operating leases </link:label>
<link:label id="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Weighted Average Remaining Lease Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B" xlink:to="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_99556428E7630A5071A8402681686B7B" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_C32555B4059C86FA8D60402681683AD9_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_C32555B4059C86FA8D60402681683AD9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average remaining lease term for finance leases </link:label>
<link:label id="lab_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_C32555B4059C86FA8D60402681683AD9_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_C32555B4059C86FA8D60402681683AD9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Weighted Average Remaining Lease Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="loc_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_C32555B4059C86FA8D60402681683AD9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_142F2DEC0A26A1735ABE40268168C77C_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_142F2DEC0A26A1735ABE40268168C77C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average discount rate for operating leases </link:label>
<link:label id="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_142F2DEC0A26A1735ABE40268168C77C_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_142F2DEC0A26A1735ABE40268168C77C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Weighted Average Discount Rate, Percent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_142F2DEC0A26A1735ABE40268168C77C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_46FAF598930F13D14E1E40268168D787_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_46FAF598930F13D14E1E40268168D787" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average discount rate for finance leases </link:label>
<link:label id="lab_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_46FAF598930F13D14E1E40268168D787_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_46FAF598930F13D14E1E40268168D787" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Weighted Average Discount Rate, Percent </link:label>
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<link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_52FA6FCF199E21974536213B207F3D4F_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_52FA6FCF199E21974536213B207F3D4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Cash Flows [Abstract] </link:label>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_BDF7434E0F4112E70E4D213B20801AD3_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_BDF7434E0F4112E70E4D213B20801AD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_BDF7434E0F4112E70E4D213B20801AD3_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_BDF7434E0F4112E70E4D213B20801AD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_BDF7434E0F4112E70E4D213B20801AD3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetIncomeLoss_450F71164AF03D9D1929213B20808B49_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_450F71164AF03D9D1929213B20808B49" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net income </link:label>
<link:label id="lab_us-gaap_NetIncomeLoss_450F71164AF03D9D1929213B20808B49_label_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_450F71164AF03D9D1929213B20808B49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Income (Loss) Attributable to Parent </link:label>
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<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0DEF10CDBD7D56DC88A6213B20808170_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0DEF10CDBD7D56DC88A6213B20808170" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Net income from discontinued operations </link:label>
<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0DEF10CDBD7D56DC88A6213B20808170_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0DEF10CDBD7D56DC88A6213B20808170" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0DEF10CDBD7D56DC88A6213B20808170" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D9C68CC79C3C9B24034C213B20819A87_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D9C68CC79C3C9B24034C213B20819A87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments to reconcile net income to net cash provided by operating activities: </link:label>
<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D9C68CC79C3C9B24034C213B20819A87_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D9C68CC79C3C9B24034C213B20819A87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D9C68CC79C3C9B24034C213B20819A87" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_7779B7988FC5CE69B514213B20813DE0_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_7779B7988FC5CE69B514213B20813DE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation and amortization </link:label>
<link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_7779B7988FC5CE69B514213B20813DE0_label_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_7779B7988FC5CE69B514213B20813DE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation, Depletion and Amortization </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_7779B7988FC5CE69B514213B20813DE0" xlink:type="locator"/>
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<link:label id="lab_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1_terseLabel_en-US" xlink:label="lab_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Provision for credit losses </link:label>
<link:label id="lab_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1_label_en-US" xlink:label="lab_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Provision for Credit Losses Including Bad Debt Expense for Trade Receivables and Finance Receivables </link:label>
<link:label id="lab_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1_documentation_en-US" xlink:label="lab_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Provision for credit losses, including bad debt expense for trade receivables and finance receivables. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables" xlink:label="loc_kar_ProvisionForCreditLossesIncludingBadDebtExpenseForTradeReceivablesAndFinanceReceivables_4228EEAC12023D8C71DB213B20813CA1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_BAD33DC914440A0060DE213B20812CCA_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_BAD33DC914440A0060DE213B20812CCA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income taxes </link:label>
<link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_BAD33DC914440A0060DE213B20812CCA_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_BAD33DC914440A0060DE213B20812CCA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Income Tax Expense (Benefit) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_BAD33DC914440A0060DE213B20812CCA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AmortizationOfFinancingCosts_265793A4B3CDE1DE854A213B208128E9_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_265793A4B3CDE1DE854A213B208128E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of debt issuance costs </link:label>
<link:label id="lab_us-gaap_AmortizationOfFinancingCosts_265793A4B3CDE1DE854A213B208128E9_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_265793A4B3CDE1DE854A213B208128E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Debt Issuance Costs </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensation_AA05F97224DE16E08F0C213B20820693_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_AA05F97224DE16E08F0C213B20820693" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensation_AA05F97224DE16E08F0C213B20820693_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_AA05F97224DE16E08F0C213B20820693" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Noncash Expense </link:label>
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<link:label id="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_0BC4C2AB6EE0DE182837213B2082DAC0_negatedLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_0BC4C2AB6EE0DE182837213B2082DAC0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Loss (gain) on disposal of fixed assets </link:label>
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<link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_11AA97FBC9615A824481213B20827EB1_negatedLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_11AA97FBC9615A824481213B20827EB1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Loss on extinguishment of debt </link:label>
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<link:label id="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_F00BB7D37ED5BCAB8697213B20823A25_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_F00BB7D37ED5BCAB8697213B20823A25" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Gain on previously held equity interest value </link:label>
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<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_F00BB7D37ED5BCAB8697213B20823A25" xlink:to="lab_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_F00BB7D37ED5BCAB8697213B20823A25" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherNoncashIncomeExpense_837AF2FC46B7780C486E213B20820070_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_837AF2FC46B7780C486E213B20820070" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other non-cash, net </link:label>
<link:label id="lab_us-gaap_OtherNoncashIncomeExpense_837AF2FC46B7780C486E213B20820070_label_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_837AF2FC46B7780C486E213B20820070" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Noncash Income (Expense) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_837AF2FC46B7780C486E213B20820070" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0C984673DDE06765CCB7213B20830F4D_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0C984673DDE06765CCB7213B20830F4D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in operating assets and liabilities, net of acquisitions: </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0C984673DDE06765CCB7213B20830F4D_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0C984673DDE06765CCB7213B20830F4D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Operating Capital [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0C984673DDE06765CCB7213B20830F4D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0C984673DDE06765CCB7213B20830F4D" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0C984673DDE06765CCB7213B20830F4D" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Trade receivables and other assets </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accounts Receivable and Other Operating Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_C3A505F0DEDC95D67321213B2083B4E5" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable and accrued expenses </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accounts Payable and Accrued Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E5523E1CFAF519AB0ADE213B208373B8" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by operating activities - continuing operations </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities, Continuing Operations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B7708BAAE10A22CD2278213B2083E03F" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5_terseLabel_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by operating activities - discontinued operations </link:label>
<link:label id="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5_label_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Provided by (Used in) Operating Activities, Discontinued Operations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5" xlink:to="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_D3D341E021049D5E3A07213B208377C5" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_2D5C375D32DAD28F1C88213B208342A0" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Net increase in finance receivables held for investment </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Finance Receivables </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInFinanceReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21" xlink:to="lab_us-gaap_IncreaseDecreaseInFinanceReceivables_18B6D238EDDCD39DD8DF213B20845C21" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Acquisition of businesses (net of cash acquired) </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Businesses, Net of Cash Acquired </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B" xlink:to="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6DA487B5091F149975AB213B20842D6B" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_20C04CA7A5CD8AA649A4213B208413A0_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets_20C04CA7A5CD8AA649A4213B208413A0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Purchases of property, equipment and computer software </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_20C04CA7A5CD8AA649A4213B208413A0_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets_20C04CA7A5CD8AA649A4213B208413A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Productive Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_20C04CA7A5CD8AA649A4213B208413A0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties_6EF22DD68F160C9B24AE213B20847546_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties_6EF22DD68F160C9B24AE213B20847546" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Advance to equity method investee </link:label>
<link:label id="lab_us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties_6EF22DD68F160C9B24AE213B20847546_label_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties_6EF22DD68F160C9B24AE213B20847546" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Collection of (Payments to Fund) Long-term Loans to Related Parties </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties" xlink:label="loc_us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties_6EF22DD68F160C9B24AE213B20847546" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A229E5EE7F286A180E13213B2084ADB6_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A229E5EE7F286A180E13213B2084ADB6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash used by investing activities - continuing operations </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A229E5EE7F286A180E13213B2084ADB6_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A229E5EE7F286A180E13213B2084ADB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities, Continuing Operations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A229E5EE7F286A180E13213B2084ADB6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489_terseLabel_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net cash used by investing activities - discontinued operations </link:label>
<link:label id="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489_label_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Provided by (Used in) Investing Activities, Discontinued Operations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489" xlink:to="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_BB0B5915832A87047FDB213B20855489" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_0976301CD43361A90BCC213B2085AEEC_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_0976301CD43361A90BCC213B2085AEEC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Financing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_0976301CD43361A90BCC213B2085AEEC_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_0976301CD43361A90BCC213B2085AEEC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_0976301CD43361A90BCC213B2085AEEC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_0976301CD43361A90BCC213B2085AEEC" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_0976301CD43361A90BCC213B2085AEEC" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net decrease in book overdrafts </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Book Overdrafts </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInBookOverdrafts" xlink:label="loc_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8" xlink:to="lab_us-gaap_IncreaseDecreaseInBookOverdrafts_B0DDF64F6337727CB845213B2085E7F8" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net increase (decrease) in borrowings from lines of credit </link:label>
<link:label id="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C_label_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from (Repayments of) Lines of Credit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C" xlink:to="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_5E8B2F61EC444F7576C9213B2085503C" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net increase in obligations collateralized by finance receivables </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Securities Loaned Transactions </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions" xlink:label="loc_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B" xlink:to="lab_us-gaap_IncreaseDecreaseInSecuritiesLoanedTransactions_86171716F1C65022A567213B20854D4B" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from long-term debt </link:label>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Issuance of Long-term Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B9E46E3AE7C6BC1E71E213B2085C075" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_248C08380D1994CCA2E0213B20869203_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_248C08380D1994CCA2E0213B20869203" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Payments for debt issuance costs/amendments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_248C08380D1994CCA2E0213B20869203" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDebtIssuanceCosts_248C08380D1994CCA2E0213B20869203" xlink:to="lab_us-gaap_PaymentsOfDebtIssuanceCosts_248C08380D1994CCA2E0213B20869203" xlink:type="arc"/>
<link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Payments on long-term debt </link:label>
<link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Long-term Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01" xlink:to="lab_us-gaap_RepaymentsOfLongTermDebt_521EE585B8070D18297B213B2086BD01" xlink:type="arc"/>
<link:label id="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Payments on finance leases </link:label>
<link:label id="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Long-term Capital Lease Obligations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" xlink:label="loc_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B" xlink:to="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FAACBE13D69CD974FDE7213B2086341B" xlink:type="arc"/>
<link:label id="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531_negatedLabel_en-US" xlink:label="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Payments of contingent consideration and deferred acquisition costs </link:label>
<link:label id="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531_label_en-US" xlink:label="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for Contingent Consideration and deferred Acquisition Costs </link:label>
<link:label id="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531_documentation_en-US" xlink:label="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> This element represents payments of contingent consideration and deferred acquisition costs for the period. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts" xlink:label="loc_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531" xlink:to="lab_kar_PaymentsForContingentConsiderationAndDeferredAcquisitionCosts_48C0B415A5E886FCB668213B2086D531" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Initial net investment for interest rate caps </link:label>
<link:label id="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Derivative Issuance Costs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDerivativeIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28" xlink:to="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_2B048A2A6CB579609925213B20866E28" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Issuance of common stock under stock plans </link:label>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_A71EEB9697C8559D00E1213B208661FA" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Tax withholding payments for vested RSUs </link:label>
<link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD_label_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payment, Tax Withholding, Share-based Payment Arrangement </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD" xlink:to="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_981B67F6CF8993053A02213B20870CAD" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Repurchase and retirement of common stock </link:label>
<link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2_label_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for Repurchase of Common Stock </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2" xlink:to="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_1579EAB12633254DF640213B208731D2" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Dividends paid to stockholders </link:label>
<link:label id="lab_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063_label_en-US" xlink:label="lab_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Ordinary Dividends </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfOrdinaryDividends" xlink:label="loc_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063" xlink:to="lab_us-gaap_PaymentsOfOrdinaryDividends_98B8D497480FC10DB649213B20878063" xlink:type="arc"/>
<link:label id="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD_negatedTerseLabel_en-US" xlink:label="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Cash transferred to IAA </link:label>
<link:label id="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD_label_en-US" xlink:label="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Transferred to IAA </link:label>
<link:label id="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD_documentation_en-US" xlink:label="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Cash Transferred to IAA as a result of the Spin-off. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_CashTransferredtoIAA" xlink:label="loc_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD" xlink:to="lab_kar_CashTransferredtoIAA_C6C6A4E7C24E55F500A4213B2087DBFD" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash used by financing activities - continuing operations </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities, Continuing Operations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_45C8D878D5218239328E213B2087DDC7" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725_terseLabel_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by (used by) financing activities - discontinued operations </link:label>
<link:label id="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725_label_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Provided by (Used in) Financing Activities, Discontinued Operations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" xlink:label="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725" xlink:to="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_7A4B8A70D96BC684FF97213B20873725" xlink:type="arc"/>
<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54_terseLabel_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effect of exchange rate changes on cash </link:label>
<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54_label_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effect of Exchange Rate on Cash and Cash Equivalents </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54" xlink:to="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2760312A4A106817C36E213B20882D54" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC_totalLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net increase in cash, cash equivalents, and restricted cash </link:label>
<link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_B6862C810C35D88CE7CF213B208809DC" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Cash, cash equivalents and restricted cash at beginning of period </link:label>
<link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0A7029D613A4AD8FB769213B2088F7E5" xlink:type="arc"/>
<link:label id="lab_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash paid for interest, net of proceeds from interest rate caps </link:label>
<link:label id="lab_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE_label_en-US" xlink:label="lab_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Paid, Including Capitalized Interest, Operating and Investing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE" xlink:to="lab_us-gaap_InterestPaid_1B42400EACA9ECF015B9213B208873CE" xlink:type="arc"/>
<link:label id="lab_us-gaap_StatementTable_0CE8C5B8F0AB85C253B1213B208828A6_terseLabel_en-US" xlink:label="lab_us-gaap_StatementTable_0CE8C5B8F0AB85C253B1213B208828A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statement </link:label>
<link:label id="lab_us-gaap_StatementTable_0CE8C5B8F0AB85C253B1213B208828A6_label_en-US" xlink:label="lab_us-gaap_StatementTable_0CE8C5B8F0AB85C253B1213B208828A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_0CE8C5B8F0AB85C253B1213B208828A6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementTable_0CE8C5B8F0AB85C253B1213B208828A6" xlink:to="lab_us-gaap_StatementTable_0CE8C5B8F0AB85C253B1213B208828A6" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group Name </link:label>
<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259_label_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Name [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259" xlink:to="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_F39DBF89757033961753213B20887259" xlink:type="arc"/>
<link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group Name </link:label>
<link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA_label_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Name [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA" xlink:to="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4E848A6652BD2C5A8E71213B2089BDCA" xlink:type="arc"/>
<link:label id="lab_us-gaap_SegmentDiscontinuedOperationsMember_661A93C0D28C35E8B79D213B2089583F_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDiscontinuedOperationsMember_661A93C0D28C35E8B79D213B2089583F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations </link:label>
<link:label id="lab_us-gaap_SegmentDiscontinuedOperationsMember_661A93C0D28C35E8B79D213B2089583F_label_en-US" xlink:label="lab_us-gaap_SegmentDiscontinuedOperationsMember_661A93C0D28C35E8B79D213B2089583F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operations [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDiscontinuedOperationsMember" xlink:label="loc_us-gaap_SegmentDiscontinuedOperationsMember_661A93C0D28C35E8B79D213B2089583F" xlink:type="locator"/>
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<link:label id="lab_srt_RestatementAxis_A8209FFB4E53642A1CD0213B20896392_terseLabel_en-US" xlink:label="lab_srt_RestatementAxis_A8209FFB4E53642A1CD0213B20896392" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restatement </link:label>
<link:label id="lab_srt_RestatementAxis_A8209FFB4E53642A1CD0213B20896392_label_en-US" xlink:label="lab_srt_RestatementAxis_A8209FFB4E53642A1CD0213B20896392" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restatement [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RestatementAxis" xlink:label="loc_srt_RestatementAxis_A8209FFB4E53642A1CD0213B20896392" xlink:type="locator"/>
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<link:label id="lab_srt_RestatementDomain_FE7EF3C60B1F95E8012F213B2089958A_terseLabel_en-US" xlink:label="lab_srt_RestatementDomain_FE7EF3C60B1F95E8012F213B2089958A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restatement </link:label>
<link:label id="lab_srt_RestatementDomain_FE7EF3C60B1F95E8012F213B2089958A_label_en-US" xlink:label="lab_srt_RestatementDomain_FE7EF3C60B1F95E8012F213B2089958A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restatement [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RestatementDomain" xlink:label="loc_srt_RestatementDomain_FE7EF3C60B1F95E8012F213B2089958A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StatementLineItems_18C91E55ADE87C4DF418213B208A17BA_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems_18C91E55ADE87C4DF418213B208A17BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statement </link:label>
<link:label id="lab_us-gaap_StatementLineItems_18C91E55ADE87C4DF418213B208A17BA_label_en-US" xlink:label="lab_us-gaap_StatementLineItems_18C91E55ADE87C4DF418213B208A17BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_18C91E55ADE87C4DF418213B208A17BA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxesPaidNet_2A63AE2404945FDED2F6213B208A9B65_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_2A63AE2404945FDED2F6213B208A9B65" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash paid for taxes, net of refunds </link:label>
<link:label id="lab_us-gaap_IncomeTaxesPaidNet_2A63AE2404945FDED2F6213B208A9B65_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_2A63AE2404945FDED2F6213B208A9B65" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Taxes Paid, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_2A63AE2404945FDED2F6213B208A9B65" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_AE1253B69A9537329FE9213B208ACEF0_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_AE1253B69A9537329FE9213B208ACEF0" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Cash, cash equivalents and restricted cash at end of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_AE1253B69A9537329FE9213B208ACEF0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_AE1253B69A9537329FE9213B208ACEF0" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_AE1253B69A9537329FE9213B208ACEF0" xlink:type="arc"/>
<link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0B380FFFBE336521105E213B2068DCE7_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0B380FFFBE336521105E213B2068DCE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Organization, Consolidation and Presentation of Financial Statements [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0B380FFFBE336521105E213B2068DCE7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0B380FFFBE336521105E213B2068DCE7" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0B380FFFBE336521105E213B2068DCE7" xlink:type="arc"/>
<link:label id="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB_terseLabel_en-US" xlink:label="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Details </link:label>
<link:label id="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB_label_en-US" xlink:label="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Details [Table] </link:label>
<link:label id="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB_documentation_en-US" xlink:label="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to various accounting policies of the entity. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_BusinessDetailsTable" xlink:label="loc_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB" xlink:to="lab_kar_BusinessDetailsTable_7E2650D5F879FC680579213B2068A0FB" xlink:type="arc"/>
<link:label id="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742_terseLabel_en-US" xlink:label="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Credit Agreement </link:label>
<link:label id="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742_label_en-US" xlink:label="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Credit Agreement [Axis] </link:label>
<link:label id="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742_documentation_en-US" xlink:label="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Credit Agreement [Axis] </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_LongtermDebtCreditAgreementAxis" xlink:label="loc_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742" xlink:to="lab_kar_LongtermDebtCreditAgreementAxis_81B46F9D48B9F5C86DBB213B20684742" xlink:type="arc"/>
<link:label id="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9_terseLabel_en-US" xlink:label="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Credit Agreement </link:label>
<link:label id="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9_label_en-US" xlink:label="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Credit Agreement [Domain] </link:label>
<link:label id="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9_documentation_en-US" xlink:label="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Domain] for Long-term Debt, Credit Agreement [Axis] </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_LongtermDebtCreditAgreementDomain" xlink:label="loc_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9" xlink:to="lab_kar_LongtermDebtCreditAgreementDomain_7A7DFD12AE5D4DFB2ADD213B20699AB9" xlink:type="arc"/>
<link:label id="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4_terseLabel_en-US" xlink:label="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Credit Agreement </link:label>
<link:label id="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4_label_en-US" xlink:label="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Agreement [Member] </link:label>
<link:label id="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4_documentation_en-US" xlink:label="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents details pertaining to the Credit Agreement. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_CreditAgreementMember" xlink:label="loc_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4" xlink:to="lab_kar_CreditAgreementMember_5D1FFBA9A83EA9381265213B206986B4" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type </link:label>
<link:label id="lab_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B" xlink:to="lab_us-gaap_LongtermDebtTypeAxis_5D113970755DFB078C11213B20695C6B" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type </link:label>
<link:label id="lab_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0" xlink:to="lab_us-gaap_LongtermDebtTypeDomain_45D13C7FB125EF12B412213B206957B0" xlink:type="arc"/>
<link:label id="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D_terseLabel_en-US" xlink:label="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan B-6 </link:label>
<link:label id="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D_label_en-US" xlink:label="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Term Loan B-6 [Member] </link:label>
<link:label id="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D_documentation_en-US" xlink:label="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents details pertaining to Term Loan B-6 due on September 19, 2026. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_TermLoanB6Member" xlink:label="loc_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D" xlink:to="lab_kar_TermLoanB6Member_F4B9D7B184FC1E6E1DB1213B2069FF8D" xlink:type="arc"/>
<link:label id="lab_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Senior secured revolving credit facility </link:label>
<link:label id="lab_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revolving Credit Facility [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember_85D3A6F7D0B66E8BF834213B206A4C14" xlink:type="arc"/>
<link:label id="lab_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72_terseLabel_en-US" xlink:label="lab_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Senior Notes </link:label>
<link:label id="lab_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72_label_en-US" xlink:label="lab_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Notes [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72" xlink:to="lab_us-gaap_SeniorNotesMember_BA347B54F9F21D3BBCC4213B206A5C72" xlink:type="arc"/>
<link:label id="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139_terseLabel_en-US" xlink:label="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2016 Revolving credit facility </link:label>
<link:label id="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139_label_en-US" xlink:label="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> 2016 Revolving Credit Facility [Member] </link:label>
<link:label id="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139_documentation_en-US" xlink:label="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Previous arrangement under which loan proceeds could continuously be obtained following repayments, but the total amount borrowed could not exceed a specified maximum amount. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_A2016RevolvingCreditFacilityMember" xlink:label="loc_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139" xlink:to="lab_kar_A2016RevolvingCreditFacilityMember_C9B90D53A88B58AA95F2213B206A7139" xlink:type="arc"/>
<link:label id="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D_terseLabel_en-US" xlink:label="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2017 Revolving Credit Facility </link:label>
<link:label id="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D_label_en-US" xlink:label="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> 2017 Revolving Credit Facility [Member] </link:label>
<link:label id="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D_documentation_en-US" xlink:label="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> A previous arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_A2017RevolvingCreditFacilityMember" xlink:label="loc_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D" xlink:to="lab_kar_A2017RevolvingCreditFacilityMember_74FB2E5E445A97A7F103213B206AFA2D" xlink:type="arc"/>
<link:label id="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C_terseLabel_en-US" xlink:label="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Organization and Other Matters </link:label>
<link:label id="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C_label_en-US" xlink:label="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Details [Line Items] </link:label>
<link:label id="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C_documentation_en-US" xlink:label="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_BusinessDetailsLineItems" xlink:label="loc_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C" xlink:to="lab_kar_BusinessDetailsLineItems_37E8440197DC1EA9EF11213B206BCB0C" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label>
<link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18" xlink:to="lab_us-gaap_DebtInstrumentCarryingAmount_986AF70AE440EFE4C7BE213B206B1D18" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum borrowing capacity </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Maximum Borrowing Capacity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01EF188DE3B358B011EB213B206C9D25" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Senior notes stated interest rate </link:label>
<link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Interest Rate, Stated Percentage </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714" xlink:to="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_32E850D00B50F2399202213B206CA714" xlink:type="arc"/>
<link:label id="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372_terseLabel_en-US" xlink:label="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of sites for whole car auctions </link:label>
<link:label id="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372_label_en-US" xlink:label="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Sites for Whole Car Auctions </link:label>
<link:label id="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372_documentation_en-US" xlink:label="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of sites for whole car auctions. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_NumberOfSitesForWholeCarAuctions" xlink:label="loc_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372" xlink:to="lab_kar_NumberOfSitesForWholeCarAuctions_CECD926BD5F4D0395B04213B206CC372" xlink:type="arc"/>
<link:label id="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076_terseLabel_en-US" xlink:label="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Ranking of largest providers of used vehicle auctions and related services </link:label>
<link:label id="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076_label_en-US" xlink:label="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ranking of Largest Providers of Used Vehicle Auctions and Related Services </link:label>
<link:label id="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076_documentation_en-US" xlink:label="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents ADESA's rank among the largest providers of used vehicle auctions and related services. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices" xlink:label="loc_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076" xlink:to="lab_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_9F3611A618A229CFC3ED213B206C4076" xlink:type="arc"/>
<link:label id="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7_terseLabel_en-US" xlink:label="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of floorplan financing locations </link:label>
<link:label id="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7_label_en-US" xlink:label="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Locations for Floorplan Financing </link:label>
<link:label id="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7_documentation_en-US" xlink:label="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the number of locations through which floorplan financing was provided. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_NumberOfLocationsForFloorplanFinancing" xlink:label="loc_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7" xlink:to="lab_kar_NumberOfLocationsForFloorplanFinancing_58B9FF023C8E5D698EC8213B206CFCD7" xlink:type="arc"/>
<link:label id="lab_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of operating segments </link:label>
<link:label id="lab_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748_label_en-US" xlink:label="lab_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Operating Segments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="loc_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748" xlink:to="lab_us-gaap_NumberOfOperatingSegments_98BB1E71A64C2F78BED954CE3D2DF748" xlink:type="arc"/>
<link:label id="lab_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of reportable segments </link:label>
<link:label id="lab_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000_label_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Reportable Segments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000" xlink:to="lab_us-gaap_NumberOfReportableSegments_5006CBA3FD9F68D7274B54CE3D2EA000" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment </link:label>
<link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559" xlink:to="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_177E7D92464AC51596D754CE3D2E6559" xlink:type="arc"/>
<link:label id="lab_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049_terseLabel_en-US" xlink:label="lab_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Activities </link:label>
<link:label id="lab_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049_label_en-US" xlink:label="lab_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Activities [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOperatingActivitiesSegmentAxis" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049" xlink:to="lab_us-gaap_StatementOperatingActivitiesSegmentAxis_752B4C93D1D9A338903154CE3D2ED049" xlink:type="arc"/>
<link:label id="lab_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Activities </link:label>
<link:label id="lab_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF_label_en-US" xlink:label="lab_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Activities [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentOperatingActivitiesDomain" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF" xlink:to="lab_us-gaap_SegmentOperatingActivitiesDomain_AC06A587BB5D8A8CBD1C54CE3D2ED7DF" xlink:type="arc"/>
<link:label id="lab_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Continuing Operations </link:label>
<link:label id="lab_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD_label_en-US" xlink:label="lab_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Continuing Operations [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentContinuingOperationsMember" xlink:label="loc_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD" xlink:to="lab_us-gaap_SegmentContinuingOperationsMember_07B5E4941AE5A24909FE54CE3D2FDAFD" xlink:type="arc"/>
<link:label id="lab_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526_terseLabel_en-US" xlink:label="lab_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Consolidation Items </link:label>
<link:label id="lab_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526_label_en-US" xlink:label="lab_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526" xlink:to="lab_srt_ConsolidationItemsAxis_3506E69FE8DF0423F1E054CE3D2FF526" xlink:type="arc"/>
<link:label id="lab_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D_terseLabel_en-US" xlink:label="lab_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Consolidation Items </link:label>
<link:label id="lab_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D_label_en-US" xlink:label="lab_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D" xlink:to="lab_srt_ConsolidationItemsDomain_363828C18A37C1969A8D54CE3D2FE08D" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Segments </link:label>
<link:label id="lab_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E_label_en-US" xlink:label="lab_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Segments [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E" xlink:to="lab_us-gaap_OperatingSegmentsMember_0993C6A539E477F4B0E354CE3D2F535E" xlink:type="arc"/>
<link:label id="lab_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58_terseLabel_en-US" xlink:label="lab_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Holding Company </link:label>
<link:label id="lab_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58_label_en-US" xlink:label="lab_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Corporate, Non-Segment [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateNonSegmentMember" xlink:label="loc_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58" xlink:to="lab_us-gaap_CorporateNonSegmentMember_514EE6C8C8E7F97DB79154CE3D305A58" xlink:type="arc"/>
<link:label id="lab_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment Information </link:label>
<link:label id="lab_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4_label_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4" xlink:to="lab_us-gaap_SegmentReportingInformationLineItems_36FA8547378421EA11A754CE3D318EF4" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating expenses </link:label>
<link:label id="lab_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4_label_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Expenses [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4" xlink:to="lab_us-gaap_OperatingExpensesAbstract_C0279979738EACC1566254CE3D319CD4" xlink:type="arc"/>
<link:label id="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of services (exclusive of depreciation and amortization) </link:label>
<link:label id="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D" xlink:to="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_95C7E6B2884D19CCF30D54CE3D325D6D" xlink:type="arc"/>
<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Selling, general and administrative </link:label>
<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Selling, General and Administrative Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913" xlink:to="lab_us-gaap_SellingGeneralAndAdministrativeExpense_F88D6BDB078060A00E4D54CE3D32A913" xlink:type="arc"/>
<link:label id="lab_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE_terseLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total operating expenses </link:label>
<link:label id="lab_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE_label_en-US" xlink:label="lab_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Costs and Expenses </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE" xlink:to="lab_us-gaap_CostsAndExpenses_BCDAE5D116A80AAE657854CE3D32A2AE" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating profit </link:label>
<link:label id="lab_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Income (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382" xlink:to="lab_us-gaap_OperatingIncomeLoss_0DCE4D13EA31EF7335E854CE3D330382" xlink:type="arc"/>
<link:label id="lab_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest expense </link:label>
<link:label id="lab_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C_label_en-US" xlink:label="lab_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C" xlink:to="lab_us-gaap_InterestExpense_CBBE920C116BE0EC55BD54CE3D33AB8C" xlink:type="arc"/>
<link:label id="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683_negatedTerseLabel_en-US" xlink:label="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Intercompany expense (income) </link:label>
<link:label id="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683_label_en-US" xlink:label="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intercompany Income (Expense) </link:label>
<link:label id="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683_documentation_en-US" xlink:label="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of income (expense) recognized under intercompany transactions. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_IntercompanyIncomeExpense" xlink:label="loc_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683" xlink:to="lab_kar_IntercompanyIncomeExpense_E9C9010F999B4E058BA354CE3D33E683" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0E72B9A9B3DA30511C1F54CE3D33F85A_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0E72B9A9B3DA30511C1F54CE3D33F85A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income from continuing operations before income taxes </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0E72B9A9B3DA30511C1F54CE3D33F85A_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0E72B9A9B3DA30511C1F54CE3D33F85A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0E72B9A9B3DA30511C1F54CE3D33F85A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_0DCEE5DEA5354DA919C354CE3D3496A8_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_0DCEE5DEA5354DA919C354CE3D3496A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income taxes </link:label>
<link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_0DCEE5DEA5354DA919C354CE3D3496A8_label_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_0DCEE5DEA5354DA919C354CE3D3496A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Expense (Benefit) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_0DCEE5DEA5354DA919C354CE3D3496A8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_6B7CB8091267CB52D3F254CE3D347991_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_6B7CB8091267CB52D3F254CE3D347991" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Net income from continuing operations </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_6B7CB8091267CB52D3F254CE3D347991_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_6B7CB8091267CB52D3F254CE3D347991" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_6B7CB8091267CB52D3F254CE3D347991" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Assets_A9BB5938C589029B1C6B54CE3D34FC76_terseLabel_en-US" xlink:label="lab_us-gaap_Assets_A9BB5938C589029B1C6B54CE3D34FC76" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total assets </link:label>
<link:label id="lab_us-gaap_Assets_A9BB5938C589029B1C6B54CE3D34FC76_label_en-US" xlink:label="lab_us-gaap_Assets_A9BB5938C589029B1C6B54CE3D34FC76" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_A9BB5938C589029B1C6B54CE3D34FC76" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_255D1725B0D6D186430654CE3D348DDD_verboseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets_255D1725B0D6D186430654CE3D348DDD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Capital expenditures </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_255D1725B0D6D186430654CE3D348DDD" xlink:type="locator"/>
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<link:label id="lab_kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract_1B705985B14C8F60A439213B1FB1553D_label_en-US" xlink:label="lab_kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract_1B705985B14C8F60A439213B1FB1553D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allowance for Credit Losses and Doubtful Accounts [Abstract] </link:label>
<link:label id="lab_kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract_1B705985B14C8F60A439213B1FB1553D_documentation_en-US" xlink:label="lab_kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract_1B705985B14C8F60A439213B1FB1553D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract" xlink:label="loc_kar_AllowanceforCreditLossesandDoubtfulAccountsAbstract_1B705985B14C8F60A439213B1FB1553D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351_terseLabel_en-US" xlink:label="lab_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2016-13 </link:label>
<link:label id="lab_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351_label_en-US" xlink:label="lab_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2016-13 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201613Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351" xlink:to="lab_us-gaap_AccountingStandardsUpdate201613Member_9BD09D16390E9573EE5E5D89F7550351" xlink:type="arc"/>
<link:label id="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3_terseLabel_en-US" xlink:label="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PWI </link:label>
<link:label id="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3_label_en-US" xlink:label="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> PWI [Member] </link:label>
<link:label id="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3_documentation_en-US" xlink:label="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> PWI </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_PWIMember" xlink:label="loc_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3" xlink:to="lab_kar_PWIMember_80DDF5E0D3A3F80621FB5D89F7590FC3" xlink:type="arc"/>
<link:label id="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56_terseLabel_en-US" xlink:label="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of Significant Accounting Policies </link:label>
<link:label id="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56_label_en-US" xlink:label="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Significant Accounting Policies [Line Items] </link:label>
<link:label id="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56_documentation_en-US" xlink:label="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_SignificantAccountingPoliciesLineItems" xlink:label="loc_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56" xlink:to="lab_kar_SignificantAccountingPoliciesLineItems_FE9EE680D9E21043FA715D89F759AD56" xlink:type="arc"/>
<link:label id="lab_us-gaap_SegmentReportingAbstract_C75BDAC03D5F559F45FC5D89F7590239_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingAbstract_C75BDAC03D5F559F45FC5D89F7590239" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Segments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_C75BDAC03D5F559F45FC5D89F7590239" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingAbstract_C75BDAC03D5F559F45FC5D89F7590239" xlink:to="lab_us-gaap_SegmentReportingAbstract_C75BDAC03D5F559F45FC5D89F7590239" xlink:type="arc"/>
<link:label id="lab_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign Currency Translation </link:label>
<link:label id="lab_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Currency Translation [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyTranslationAbstract" xlink:label="loc_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1" xlink:to="lab_us-gaap_ForeignCurrencyTranslationAbstract_7617C11A9FAD2DF96D535D89F75AB4F1" xlink:type="arc"/>
<link:label id="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency transaction gain (loss) </link:label>
<link:label id="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Currency Transaction Gain (Loss), before Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B" xlink:to="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_5BA8006ED65AE2FBB0CA5D89F75A8D3B" xlink:type="arc"/>
<link:label id="lab_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restricted Cash </link:label>
<link:label id="lab_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10_label_en-US" xlink:label="lab_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted Cash and Investments [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedCashAndInvestmentsAbstract" xlink:label="loc_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10" xlink:to="lab_us-gaap_RestrictedCashAndInvestmentsAbstract_9C539C4A4C03C46F7CD55D89F75AEA10" xlink:type="arc"/>
<link:label id="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_B1A5EBD09A437978273D5D89F75BDE6C_verboseLabel_en-US" xlink:label="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_B1A5EBD09A437978273D5D89F75BDE6C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cash reserve as security for the receivables sold (as a percent) </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_CashReserveAsPercentageOfFinancingReceivableSecuritized" xlink:label="loc_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_B1A5EBD09A437978273D5D89F75BDE6C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_B1A5EBD09A437978273D5D89F75BDE6C" xlink:to="lab_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_B1A5EBD09A437978273D5D89F75BDE6C" xlink:type="arc"/>
<link:label id="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_D1B2D3867426122D0B245D89F75B1178_terseLabel_en-US" xlink:label="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_D1B2D3867426122D0B245D89F75B1178" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash reserve as security for the receivables sold - circumstance two (as a percent) </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo" xlink:label="loc_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_D1B2D3867426122D0B245D89F75B1178" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_D1B2D3867426122D0B245D89F75B1178" xlink:to="lab_kar_CashReserveasPercentageofFinancingReceivableSecuritizedCircumstanceTwo_D1B2D3867426122D0B245D89F75B1178" xlink:type="arc"/>
<link:label id="lab_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Receivables </link:label>
<link:label id="lab_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB_label_en-US" xlink:label="lab_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Receivables [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="loc_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB" xlink:to="lab_us-gaap_ReceivablesAbstract_A585AB4FE1A24F9A3CE25D89F75B11DB" xlink:type="arc"/>
<link:label id="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F_terseLabel_en-US" xlink:label="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Predetermined time period for financing receivables to become due </link:label>
<link:label id="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F_label_en-US" xlink:label="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Period for Financing Receivables to Become Due </link:label>
<link:label id="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F_documentation_en-US" xlink:label="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the period in which the financing receivables become due. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_PeriodForFinancingReceivablesToBecomeDue" xlink:label="loc_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F" xlink:to="lab_kar_PeriodForFinancingReceivablesToBecomeDue_5D1B1A2D55720AC58D365D89F75BEA5F" xlink:type="arc"/>
<link:label id="lab_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6_terseLabel_en-US" xlink:label="lab_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Leases </link:label>
<link:label id="lab_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6_label_en-US" xlink:label="lab_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Leases [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6" xlink:to="lab_us-gaap_LeasesAbstract_19F7F59DE2DBBED4BA4E5D89F75CB7B6" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts Payable </link:label>
<link:label id="lab_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable, Current [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsPayableCurrentAbstract" xlink:label="loc_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3" xlink:to="lab_us-gaap_AccountsPayableCurrentAbstract_3E71FF184EFD66FE0E995D89F75C3DF3" xlink:type="arc"/>
<link:label id="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798_terseLabel_en-US" xlink:label="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Book overdrafts </link:label>
<link:label id="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798_label_en-US" xlink:label="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Book Overdrafts </link:label>
<link:label id="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798_documentation_en-US" xlink:label="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the outstanding checks in excess of funds on deposit as of the balance sheet date. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_BookOverdrafts" xlink:label="loc_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798" xlink:to="lab_kar_BookOverdrafts_8D8E677EBCECF7EABADA5D89F75C3798" xlink:type="arc"/>
<link:label id="lab_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue Recognition </link:label>
<link:label id="lab_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5_label_en-US" xlink:label="lab_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue Recognition [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRecognitionAbstract" xlink:label="loc_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5" xlink:to="lab_us-gaap_RevenueRecognitionAbstract_E33C67597FA5C07B9D765D89F75D01D5" xlink:type="arc"/>
<link:label id="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cumulative effect adjustment for adoption of new accounting standard, net of tax </link:label>
<link:label id="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification" xlink:label="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A" xlink:to="lab_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_258552D23834FE70B33D5D89F75D2C3A" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Taxes </link:label>
<link:label id="lab_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B" xlink:to="lab_us-gaap_IncomeTaxDisclosureAbstract_FD64DC799359A6488D785D89F75D4B9B" xlink:type="arc"/>
<link:label id="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE_terseLabel_en-US" xlink:label="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Recognized income tax positions measured at largest amount greater than specified percentage being realized </link:label>
<link:label id="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE_label_en-US" xlink:label="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Recognized Income Tax Positions Measured At Largest Amount Greater Than Specified Percentage Being Realized </link:label>
<link:label id="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE_documentation_en-US" xlink:label="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Recognized income tax positions are measured at the largest amount greater than specified percentage likely of being realized. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized" xlink:label="loc_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE" xlink:to="lab_kar_RecognizedIncomeTaxPositionsMeasuredAtLargestAmountGreaterThanSpecifiedPercentageBeingRealized_9E6B43F0F3C9FB8FDD7E5D89F75D72BE" xlink:type="arc"/>
<link:label id="lab_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E_terseLabel_en-US" xlink:label="lab_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating revenues </link:label>
<link:label id="lab_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E_label_en-US" xlink:label="lab_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenues [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E" xlink:to="lab_us-gaap_RevenuesAbstract_9195DF2549C7016BC82B5D89F75EF64E" xlink:type="arc"/>
<link:label id="lab_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61_terseLabel_en-US" xlink:label="lab_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest and fee income </link:label>
<link:label id="lab_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61_label_en-US" xlink:label="lab_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest and Fee Income, Loans and Leases </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestAndFeeIncomeLoansAndLeases" xlink:label="loc_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61" xlink:to="lab_us-gaap_InterestAndFeeIncomeLoansAndLeases_7339A309A9669A63F7615D89F75E1E61" xlink:type="arc"/>
<link:label id="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC_terseLabel_en-US" xlink:label="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other revenue </link:label>
<link:label id="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC_label_en-US" xlink:label="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Afc other revenues </link:label>
<link:label id="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC_documentation_en-US" xlink:label="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Afc other revenues </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_Afcotherrevenues" xlink:label="loc_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC" xlink:to="lab_kar_Afcotherrevenues_EC5307358ACAB91419815D89F75EE8BC" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B_negatedLabel_en-US" xlink:label="lab_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Provision for credit losses </link:label>
<link:label id="lab_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B_label_en-US" xlink:label="lab_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Provision for Loan and Lease Losses </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProvisionForLoanAndLeaseLosses" xlink:label="loc_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B" xlink:to="lab_us-gaap_ProvisionForLoanAndLeaseLosses_49A35521B27A7A8B57635D89F75EF25B" xlink:type="arc"/>
<link:label id="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C_terseLabel_en-US" xlink:label="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Warranty Contract Revenue </link:label>
<link:label id="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C_label_en-US" xlink:label="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Warranty Contract Revenue </link:label>
<link:label id="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C_documentation_en-US" xlink:label="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Warranty Contract Revenue </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_WarrantyContractRevenue" xlink:label="loc_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C" xlink:to="lab_kar_WarrantyContractRevenue_CD376988DD5778CE84C45D89F75FBD6C" xlink:type="arc"/>
<link:label id="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A_totalLabel_en-US" xlink:label="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> AFC revenues (finance-related revenue) </link:label>
<link:label id="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A_label_en-US" xlink:label="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance-related Revenue </link:label>
<link:label id="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A_documentation_en-US" xlink:label="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Finance-related revenue </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FinancerelatedRevenue" xlink:label="loc_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A" xlink:to="lab_kar_FinancerelatedRevenue_F9EED3D8C64FAE383D835D89F75F3D9A" xlink:type="arc"/>
<link:label id="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7_terseLabel_en-US" xlink:label="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PWI average term of contracts originated </link:label>
<link:label id="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7_label_en-US" xlink:label="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> PWI Contract Term </link:label>
<link:label id="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7_documentation_en-US" xlink:label="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Average term of contracts originated at PWI. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_PWIContractTerm" xlink:label="loc_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7" xlink:to="lab_kar_PWIContractTerm_9E598C15E4C8DB0863A05D89F75F3FB7" xlink:type="arc"/>
<link:label id="lab_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PWI unearned revenue </link:label>
<link:label id="lab_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99_label_en-US" xlink:label="lab_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Revenue </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredRevenue" xlink:label="loc_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99" xlink:to="lab_us-gaap_DeferredRevenue_08F35218ECE72199A8665D89F75FFE99" xlink:type="arc"/>
<link:label id="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E_terseLabel_en-US" xlink:label="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchased vehicles sold as a percentage of total vehicles sold </link:label>
<link:label id="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E_label_en-US" xlink:label="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchased vehicles sold as a percentage of total vehicles sold </link:label>
<link:label id="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E_documentation_en-US" xlink:label="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Purchased vehicles sold as a percentage of total vehicles sold </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold" xlink:label="loc_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E" xlink:to="lab_kar_Purchasedvehiclessoldasapercentageoftotalvehiclessold_12D36154FE677A18CAD75D89F760117E" xlink:type="arc"/>
<link:label id="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncements and Changes in Accounting Principles </link:label>
<link:label id="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncements and Changes in Accounting Principles [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:label="loc_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A" xlink:to="lab_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_AD7317CD02A65804C7FA5D89F760798A" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated increase in allowance for credit losses from adopting ASU 2016-13 </link:label>
<link:label id="lab_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, Change in Method, Credit Loss Expense (Reversal) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal" xlink:label="loc_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71" xlink:to="lab_us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal_6219ECB5ED638AF1135B5D89F760BF71" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentAbstract_5FA67E5A56AF55959CC3213B1F5E2B30_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentAbstract_5FA67E5A56AF55959CC3213B1F5E2B30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_5FA67E5A56AF55959CC3213B1F5E2B30" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_5FA67E5A56AF55959CC3213B1F5E2B30" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentAbstract_5FA67E5A56AF55959CC3213B1F5E2B30" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Property, Plant and Equipment </link:label>
<link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6_label_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6" xlink:to="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_6654694710394452493D213B1F5E21C6" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_04E33CF878022FE48924213B1F5ED8EB" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_1B17312B696248174AE9213B1F5E0469" xlink:type="arc"/>
<link:label id="lab_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2_terseLabel_en-US" xlink:label="lab_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Land </link:label>
<link:label id="lab_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2_label_en-US" xlink:label="lab_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Land [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LandMember" xlink:label="loc_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2" xlink:to="lab_us-gaap_LandMember_10A9B15B1C3F7A794EEB213B1F5F59F2" xlink:type="arc"/>
<link:label id="lab_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B_terseLabel_en-US" xlink:label="lab_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Buildings </link:label>
<link:label id="lab_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B_label_en-US" xlink:label="lab_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Building [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BuildingMember" xlink:label="loc_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B" xlink:to="lab_us-gaap_BuildingMember_85C25E8FD59A5E68CA72213B1F5F889B" xlink:type="arc"/>
<link:label id="lab_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF_terseLabel_en-US" xlink:label="lab_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Land improvements </link:label>
<link:label id="lab_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF_label_en-US" xlink:label="lab_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Land Improvements [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LandImprovementsMember" xlink:label="loc_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF" xlink:to="lab_us-gaap_LandImprovementsMember_B5AC43F29D80F98B6F26213B1F5FCAFF" xlink:type="arc"/>
<link:label id="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7_terseLabel_en-US" xlink:label="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Building and leasehold improvements </link:label>
<link:label id="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7_label_en-US" xlink:label="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Building and Leasehold Improvements [Member] </link:label>
<link:label id="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7_documentation_en-US" xlink:label="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the facility held for productive use including, but not limited to, office, production, storage and distribution facilities and additions or improvements to assets held under a lease arrangement. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_BuildingAndLeaseholdImprovementsMember" xlink:label="loc_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7" xlink:to="lab_kar_BuildingAndLeaseholdImprovementsMember_719C83C2DABDC6E7054B213B1F5F4AE7" xlink:type="arc"/>
<link:label id="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373_terseLabel_en-US" xlink:label="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Furniture, fixtures and equipment </link:label>
<link:label id="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373_label_en-US" xlink:label="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Furniture, Fixtures and Equipment [Member] </link:label>
<link:label id="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373_documentation_en-US" xlink:label="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities and tangible personal property used to produce goods and services. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FurnitureFixturesAndEquipmentMember" xlink:label="loc_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373" xlink:to="lab_kar_FurnitureFixturesAndEquipmentMember_A89068C9B87AF82E2BDA213B1F5F5373" xlink:type="arc"/>
<link:label id="lab_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750_terseLabel_en-US" xlink:label="lab_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vehicles </link:label>
<link:label id="lab_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750_label_en-US" xlink:label="lab_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Vehicles [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VehiclesMember" xlink:label="loc_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750" xlink:to="lab_us-gaap_VehiclesMember_1E494D25D552D871B899213B1F606750" xlink:type="arc"/>
<link:label id="lab_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E_terseLabel_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Construction in progress </link:label>
<link:label id="lab_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E_label_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Construction in Progress [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="loc_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E" xlink:to="lab_us-gaap_ConstructionInProgressMember_82151D60A85FCE1E13E6213B1F60EE2E" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentLineItems_2C140FAC7E265CA49B5B213B1F61AADC" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_A1ACB51935E59E83C3B2213B1F6126FF_negatedLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_A1ACB51935E59E83C3B2213B1F6126FF" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Accumulated depreciation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_A1ACB51935E59E83C3B2213B1F6126FF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_A1ACB51935E59E83C3B2213B1F6126FF" xlink:to="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_A1ACB51935E59E83C3B2213B1F6126FF" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_1AAFB0E0146FC351B65E213B1F618852_totalLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_1AAFB0E0146FC351B65E213B1F618852" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment, net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1AAFB0E0146FC351B65E213B1F618852" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_1AAFB0E0146FC351B65E213B1F618852" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_1AAFB0E0146FC351B65E213B1F618852" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Useful lives </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Useful Life </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_C2529A3AC1AF8B8C31F5213B1F6268B5" xlink:type="arc"/>
<link:label id="lab_us-gaap_Depreciation_387A539E1D76BACCAA01213B1F627E9F_terseLabel_en-US" xlink:label="lab_us-gaap_Depreciation_387A539E1D76BACCAA01213B1F627E9F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation expense </link:label>
<link:label id="lab_us-gaap_Depreciation_387A539E1D76BACCAA01213B1F627E9F_label_en-US" xlink:label="lab_us-gaap_Depreciation_387A539E1D76BACCAA01213B1F627E9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation </link:label>
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<link:label id="lab_us-gaap_LeasesOfLesseeDisclosureTextBlock_618964298A1D9CF98E990BBE31CF808A_terseLabel_en-US" xlink:label="lab_us-gaap_LeasesOfLesseeDisclosureTextBlock_618964298A1D9CF98E990BBE31CF808A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Leases </link:label>
<link:label id="lab_us-gaap_LeasesOfLesseeDisclosureTextBlock_618964298A1D9CF98E990BBE31CF808A_label_en-US" xlink:label="lab_us-gaap_LeasesOfLesseeDisclosureTextBlock_618964298A1D9CF98E990BBE31CF808A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Leases of Lessee Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeasesOfLesseeDisclosureTextBlock" xlink:label="loc_us-gaap_LeasesOfLesseeDisclosureTextBlock_618964298A1D9CF98E990BBE31CF808A" xlink:type="locator"/>
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<link:label id="lab_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD_label_en-US" xlink:label="lab_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self Insurance and Retained Loss Reserves [Abstract] </link:label>
<link:label id="lab_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD_documentation_en-US" xlink:label="lab_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_SelfInsuranceandRetainedLossReservesAbstract" xlink:label="loc_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD" xlink:to="lab_kar_SelfInsuranceandRetainedLossReservesAbstract_231F6B6F7C38DF03A4739125BCFA09FD" xlink:type="arc"/>
<link:label id="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of the changes in the reserves for self-insurance and the retained losses </link:label>
<link:label id="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0_label_en-US" xlink:label="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Reserves for Self Insurance and Retained Losses Roll Forward [Table Text Block] </link:label>
<link:label id="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0_documentation_en-US" xlink:label="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tabular disclosure of the changes in reserves for self-insurance and the retained losses. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock" xlink:label="loc_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0" xlink:to="lab_kar_ScheduleOfReservesForSelfInsuranceAndRetainedLossesRollForwardTableTextBlock_0A102E46E58F8FC843189125BCFA9CA0" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_191C39047F7F6A07CB5034D82DD4E894_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_191C39047F7F6A07CB5034D82DD4E894" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in the allowance for credit losses </link:label>
<link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_191C39047F7F6A07CB5034D82DD4E894_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_191C39047F7F6A07CB5034D82DD4E894" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, Allowance for Credit Loss [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_191C39047F7F6A07CB5034D82DD4E894" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_B9F4008F309F7C2D096234D82DD480EA_periodStartLabel_en-US" xlink:label="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_B9F4008F309F7C2D096234D82DD480EA" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at beginning of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForNotesAndLoansReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_B9F4008F309F7C2D096234D82DD480EA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_B9F4008F309F7C2D096234D82DD480EA" xlink:to="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_B9F4008F309F7C2D096234D82DD480EA" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProvisionForLoanAndLeaseLosses_7A11C57B6D10EAE2498A34D82DD5721D_terseLabel_en-US" xlink:label="lab_us-gaap_ProvisionForLoanAndLeaseLosses_7A11C57B6D10EAE2498A34D82DD5721D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Provision for credit losses </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProvisionForLoanAndLeaseLosses" xlink:label="loc_us-gaap_ProvisionForLoanAndLeaseLosses_7A11C57B6D10EAE2498A34D82DD5721D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProvisionForLoanAndLeaseLosses_7A11C57B6D10EAE2498A34D82DD5721D" xlink:to="lab_us-gaap_ProvisionForLoanAndLeaseLosses_7A11C57B6D10EAE2498A34D82DD5721D" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Recoveries </link:label>
<link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, Allowance for Credit Loss, Recovery </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88" xlink:to="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_DB707EFE8170ECCB0AC534D82DD56D88" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3_negatedLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Less charge-offs </link:label>
<link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, Allowance for Credit Loss, Writeoff </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3" xlink:to="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_BABE7A01D889BBD68C0E34D82DD55CC3" xlink:type="arc"/>
<link:label id="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_0A4893AD19B22EA51B5634D82DD54D48_periodEndLabel_en-US" xlink:label="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_0A4893AD19B22EA51B5634D82DD54D48" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at end of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForNotesAndLoansReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_0A4893AD19B22EA51B5634D82DD54D48" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_0A4893AD19B22EA51B5634D82DD54D48" xlink:to="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_0A4893AD19B22EA51B5634D82DD54D48" xlink:type="arc"/>
<link:label id="lab_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> KAR Auction Services, Inc. Employee Stock Purchase Plan </link:label>
<link:label id="lab_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32_label_en-US" xlink:label="lab_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeStockMember" xlink:label="loc_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32" xlink:to="lab_us-gaap_EmployeeStockMember_67487ED121122BC6E443213B1FCF8E32" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum number of shares to be issued pursuant to awards </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_89BDF7227C9DA6715940213B1FD0FEDF" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Remaining shares available </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61FD8AD06DE506522B04213B1FD10BBF" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discount from fair market value of share (as a percent) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_5F50B1B67FF63CF2F122213B1FD194C9" xlink:type="arc"/>
<link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073_terseLabel_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Participant's combined payroll deductions and cash payments (in dollars) </link:label>
<link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073_label_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Arrangement by Share Based Payment Award Aggregate Annual Employee Payroll Deduction and Cash Payment for Stock Purchase </link:label>
<link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073_documentation_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the aggregate annual employee's payroll deductions and cash payments for purchase of shares. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase" xlink:label="loc_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateAnnualEmployeePayrollDeductionAndCashPaymentForStockPurchase_DE2FDC0379BB0C4997D6213B1FD1C073" xlink:type="locator"/>
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<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares outstanding </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Diluted [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_64191A2992DE6CE2AB1F3EFAEEE4E043" xlink:type="arc"/>
<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average common shares outstanding </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Basic </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D455C2566954C3F6D25C3EFAEEE5FC81" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392_terseLabel_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effect of dilutive stock options and restricted stock awards (in shares) </link:label>
<link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392_label_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392" xlink:to="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_313987100B63627B22C03EFAEEE55392" xlink:type="arc"/>
<link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6_totalLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Weighted average common shares outstanding and potential common shares </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Diluted </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7961DA4CB746BF7768B53EFAEEE5A5D6" xlink:type="arc"/>
<link:label id="lab_us-gaap_EarningsPerShareAbstract_12E342AC2D2996C921393EFAEEE5D6A7_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_12E342AC2D2996C921393EFAEEE5D6A7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Net income from continuing operations per share </link:label>
<link:label id="lab_us-gaap_EarningsPerShareAbstract_12E342AC2D2996C921393EFAEEE5D6A7_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_12E342AC2D2996C921393EFAEEE5D6A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_12E342AC2D2996C921393EFAEEE5D6A7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Basic (in dollars per share) </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Per Basic Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_D2ABE8070969EB19FC523EFAEEE56673" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_7BEC26DC08CAE2A8EE493EFAEEE6135F_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_7BEC26DC08CAE2A8EE493EFAEEE6135F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Diluted (in dollars per share) </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_7BEC26DC08CAE2A8EE493EFAEEE6135F_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_7BEC26DC08CAE2A8EE493EFAEEE6135F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Per Diluted Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_7BEC26DC08CAE2A8EE493EFAEEE6135F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_26BEE94290D68EB797C93EFAEEE660D3_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_26BEE94290D68EB797C93EFAEEE660D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares attributable to stock options excluded from the calculation of diluted net income per share </link:label>
<link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_26BEE94290D68EB797C93EFAEEE660D3_label_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_26BEE94290D68EB797C93EFAEEE660D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_26BEE94290D68EB797C93EFAEEE660D3" xlink:type="locator"/>
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<link:label id="lab_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534_terseLabel_en-US" xlink:label="lab_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Securities excluded from calculation of earnings per share amount due to performance conditions not yet satisfied </link:label>
<link:label id="lab_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534_label_en-US" xlink:label="lab_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Securities Excluded From Calculation Of Earnings Per Share Amount Due To Performance Conditions Not Yet Satisfied </link:label>
<link:label id="lab_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534_documentation_en-US" xlink:label="lab_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the securities excluded from calculation of earnings per share amount due to performance conditions not yet satisfied. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied" xlink:label="loc_kar_SecuritiesExcludedFromCalculationOfEarningsPerShareAmountDueToPerformanceConditionsNotYetSatisfied_BC841A5592AE3A0693E13EFAEEE6A534" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_E01BC6081F53106F73483EFAEEE6876C_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_E01BC6081F53106F73483EFAEEE6876C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock options outstanding (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_E01BC6081F53106F73483EFAEEE6876C_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_E01BC6081F53106F73483EFAEEE6876C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_E01BC6081F53106F73483EFAEEE6876C" xlink:type="locator"/>
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<link:label id="lab_kar_FinancialInstrumentsAbstract_1B62386E36EA89CA9B6C9125BC442F30_label_en-US" xlink:label="lab_kar_FinancialInstrumentsAbstract_1B62386E36EA89CA9B6C9125BC442F30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financial Instruments [Abstract] </link:label>
<link:label id="lab_kar_FinancialInstrumentsAbstract_1B62386E36EA89CA9B6C9125BC442F30_documentation_en-US" xlink:label="lab_kar_FinancialInstrumentsAbstract_1B62386E36EA89CA9B6C9125BC442F30" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FinancialInstrumentsAbstract" xlink:label="loc_kar_FinancialInstrumentsAbstract_1B62386E36EA89CA9B6C9125BC442F30" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_ADEA46125EFFB575BA369125BC4457DC_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_ADEA46125EFFB575BA369125BC4457DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of the fair value of the entity's interest rate derivatives included in the consolidated balance sheet </link:label>
<link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_ADEA46125EFFB575BA369125BC4457DC_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_ADEA46125EFFB575BA369125BC4457DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_ADEA46125EFFB575BA369125BC4457DC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_7C321C6137FC470AABA79125BC44427E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_7C321C6137FC470AABA79125BC44427E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of other derivatives not designated as hedging instruments, statements of financial performance </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_7C321C6137FC470AABA79125BC44427E" xlink:type="locator"/>
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<link:label id="lab_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA_terseLabel_en-US" xlink:label="lab_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PRSUs - Operating Adjusted EPS </link:label>
<link:label id="lab_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA_label_en-US" xlink:label="lab_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> PRSUs - Operating Adjusted EPS [Member] </link:label>
<link:label id="lab_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA_documentation_en-US" xlink:label="lab_kar_PRSUsOperatingAdjustedEPSMember_963BA8A3A3ABF9A5081A402683E70CFA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Performance based restricted stock units (PRSUs) with vesting tied to the Company's cumulative Operating Adjusted EPS. </link:label>
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<link:label id="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863_terseLabel_en-US" xlink:label="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exit options </link:label>
<link:label id="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863_label_en-US" xlink:label="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exit Options [Member] </link:label>
<link:label id="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863_documentation_en-US" xlink:label="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to exit options of the entity classified as equity awards. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ExitOptionsMember" xlink:label="loc_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863" xlink:to="lab_kar_ExitOptionsMember_FFB8B4DA997D8EE738D0402683E7C863" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair market value of vested and exercisable options (in dollars) </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_081BD11B50EF2997FE6C402683E8828A" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of Options </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_571AD60EF67CEE565CE9402683E84A4F" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_21348C9CA33DE96EE0DE402683EDB56B_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_21348C9CA33DE96EE0DE402683EDB56B" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at the beginning of the period (in shares) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_21348C9CA33DE96EE0DE402683EDB56B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_21348C9CA33DE96EE0DE402683EDB56B" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_21348C9CA33DE96EE0DE402683EDB56B" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Granted (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_95B611326C8515E1F468402683EE60D8" xlink:type="arc"/>
<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C_negatedLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Exercised (in shares) </link:label>
<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_86011F1D82E51653079A402683EEFD3C" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2_negatedLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Forfeited (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_30209035E6172D728F1B402683EE56B2" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78_negatedLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Canceled (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_1EA232EDA804ED5EC09A402683EEFD78" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_A1B4DC005D1072618C69402683EF31B5_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_A1B4DC005D1072618C69402683EF31B5" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at the end of the period (in shares) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_A1B4DC005D1072618C69402683EF31B5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_A1B4DC005D1072618C69402683EF31B5" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_A1B4DC005D1072618C69402683EF31B5" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercisable at the end of the period (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_47E51EB4C842A3584948402683EF4C0A" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Exercise Price </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DB91901A824943F50654402683EF6876" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at the beginning of the period (in dollars per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_0AEEF0D230E4ABB21BF3402683EF7F46" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercised (in dollars per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_C4A802B7B2E9BD20F015402683EF4912" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Canceled (in dollars per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_37D03187F26A0C244902402683EF3DD1" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C20C26B935539FBC5CEF402683F0F8B9_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C20C26B935539FBC5CEF402683F0F8B9" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at the end of the period (in dollars per share) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C20C26B935539FBC5CEF402683F0F8B9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C20C26B935539FBC5CEF402683F0F8B9" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C20C26B935539FBC5CEF402683F0F8B9" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercisable at the end of the period (in dollars per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_172C546793F20F90950C402683F08E9B" xlink:type="arc"/>
<link:label id="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3_terseLabel_en-US" xlink:label="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Remaining Contractual Term </link:label>
<link:label id="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3_label_en-US" xlink:label="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share based Compensation Arrangement by Share based Payment Award Options Weighted Average Remaining Contractual Term [Abstract] </link:label>
<link:label id="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3_documentation_en-US" xlink:label="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the information pertaining to weighted-average remaining contractual term. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" xlink:label="loc_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3" xlink:to="lab_kar_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract_0B0C77A4FDAF90D8B162402683F00AB3" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AB38303701835A8C5718402683F0F14F_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AB38303701835A8C5718402683F0F14F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at the end of the period </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AB38303701835A8C5718402683F0F14F_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AB38303701835A8C5718402683F0F14F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AB38303701835A8C5718402683F0F14F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AB38303701835A8C5718402683F0F14F" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AB38303701835A8C5718402683F0F14F" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_CCD02349D1117F46C2D1402683F05A41_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_CCD02349D1117F46C2D1402683F05A41" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercisable at the end of the period </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_CCD02349D1117F46C2D1402683F05A41_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_CCD02349D1117F46C2D1402683F05A41" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_CCD02349D1117F46C2D1402683F05A41" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_CCD02349D1117F46C2D1402683F05A41" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_CCD02349D1117F46C2D1402683F05A41" xlink:type="arc"/>
<link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C_terseLabel_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate Intrinsic Value </link:label>
<link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C_label_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Arrangement by Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] </link:label>
<link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C_documentation_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" xlink:label="loc_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C" xlink:to="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_0ABEC23C02CFC0C2B303402683F1583C" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_A8648F71B1719476820F402683F1B401_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_A8648F71B1719476820F402683F1B401" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at the end of the period (in dollars) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_A8648F71B1719476820F402683F1B401_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_A8648F71B1719476820F402683F1B401" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_A8648F71B1719476820F402683F1B401" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_A8648F71B1719476820F402683F1B401" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_A8648F71B1719476820F402683F1B401" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercisable at the end of the period (in dollars) </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4CCFF6DE384EF82C5FE1402683F16D01" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89_terseLabel_en-US" xlink:label="lab_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Closing stock price (in dollars per share) </link:label>
<link:label id="lab_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89_label_en-US" xlink:label="lab_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharePrice" xlink:label="loc_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89" xlink:to="lab_us-gaap_SharePrice_12DEBFD4153E0140416E402683F10F89" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total intrinsic value of options exercised (in dollars) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_87811DB1EC409F1B9F09402683F1E5D7" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term of award </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_DD0D762D52A8E8AAF181402683F2586B" xlink:type="arc"/>
<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill and Other Intangible Assets </link:label>
<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_235DA8C81544A6C997339125BFB01A28" xlink:type="arc"/>
<link:label id="lab_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47_label_en-US" xlink:label="lab_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Prior Year Leases Under ASC 840 [Abstract] </link:label>
<link:label id="lab_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47_documentation_en-US" xlink:label="lab_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Prior Year Leases Under ASC 840 [Abstract] </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_PriorYearLeasesUnderASC840Abstract" xlink:label="loc_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47" xlink:to="lab_kar_PriorYearLeasesUnderASC840Abstract_2E3CB3CE1893F2C95458213B1ECC3F47" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Capital Leased Assets </link:label>
<link:label id="lab_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC_label_en-US" xlink:label="lab_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Capital Leased Assets [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfCapitalLeasedAsssetsTable" xlink:label="loc_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC" xlink:to="lab_us-gaap_ScheduleOfCapitalLeasedAsssetsTable_DEC685965F4A1A66C5CA213B1ECC18EC" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assets held under capital leases </link:label>
<link:label id="lab_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180_label_en-US" xlink:label="lab_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leased Assets [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasedAssetsLineItems" xlink:label="loc_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180" xlink:to="lab_us-gaap_OperatingLeasedAssetsLineItems_971D4BE2F6A8C19ACB63213B1ECD5180" xlink:type="arc"/>
<link:label id="lab_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital lease assets, gross </link:label>
<link:label id="lab_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3_label_en-US" xlink:label="lab_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leased Assets, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalLeasedAssetsGross" xlink:label="loc_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3" xlink:to="lab_us-gaap_CapitalLeasedAssetsGross_3DBB405ED0A99424EC16213B1ECD48E3" xlink:type="arc"/>
<link:label id="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated depreciation </link:label>
<link:label id="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation" xlink:label="loc_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F" xlink:to="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_6312B424F2FE48009CAE213B1ECD674F" xlink:type="arc"/>
<link:label id="lab_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital lease assets </link:label>
<link:label id="lab_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Balance Sheet, Assets by Major Class, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet" xlink:label="loc_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3" xlink:to="lab_us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_BAF689844F6ED9EF99AA213B1ECED6D3" xlink:type="arc"/>
<link:label id="lab_us-gaap_LeaseAndRentalExpense_99F028E1B4B945B0A83D213B1ECE148C_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseAndRentalExpense_99F028E1B4B945B0A83D213B1ECE148C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease rent expense </link:label>
<link:label id="lab_us-gaap_LeaseAndRentalExpense_99F028E1B4B945B0A83D213B1ECE148C_label_en-US" xlink:label="lab_us-gaap_LeaseAndRentalExpense_99F028E1B4B945B0A83D213B1ECE148C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Rent Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="loc_us-gaap_LeaseAndRentalExpense_99F028E1B4B945B0A83D213B1ECE148C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseAndRentalExpense_99F028E1B4B945B0A83D213B1ECE148C" xlink:to="lab_us-gaap_LeaseAndRentalExpense_99F028E1B4B945B0A83D213B1ECE148C" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_82CA3DC566C1B5DF28091B5904650558_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_82CA3DC566C1B5DF28091B5904650558" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency translation loss </link:label>
<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_82CA3DC566C1B5DF28091B5904650558_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_82CA3DC566C1B5DF28091B5904650558" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_82CA3DC566C1B5DF28091B5904650558" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_82CA3DC566C1B5DF28091B5904650558" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_82CA3DC566C1B5DF28091B5904650558" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_48D00EA2D119FB294C331B590465245F_totalLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_48D00EA2D119FB294C331B590465245F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive loss </link:label>
<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_48D00EA2D119FB294C331B590465245F_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_48D00EA2D119FB294C331B590465245F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Net of Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_48D00EA2D119FB294C331B590465245F" xlink:type="locator"/>
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<link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4_terseLabel_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in the reserves for self-insurance and the retained losses </link:label>
<link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4_label_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self Insurance and Retained Loss Reserves [Roll Forward] </link:label>
<link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4_documentation_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_SelfInsuranceAndRetainedLossReservesRollForward" xlink:label="loc_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4" xlink:to="lab_kar_SelfInsuranceAndRetainedLossReservesRollForward_21E8B9858E7374BE8CCD1E82820877A4" xlink:type="arc"/>
<link:label id="lab_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB_periodStartLabel_en-US" xlink:label="lab_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at beginning of period </link:label>
<link:label id="lab_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB_label_en-US" xlink:label="lab_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self Insurance Reserve </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SelfInsuranceReserve" xlink:label="loc_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB" xlink:to="lab_us-gaap_SelfInsuranceReserve_9F8B3154BA844494FB891E8282087DEB" xlink:type="arc"/>
<link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D_negatedLabel_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Net payments </link:label>
<link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D_label_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self Insurance and Retained Loss Reserves Net Payments </link:label>
<link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D_documentation_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of net payments made in the period towards self insurance and retained losses. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_SelfInsuranceAndRetainedLossReservesNetPayments" xlink:label="loc_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D" xlink:to="lab_kar_SelfInsuranceAndRetainedLossReservesNetPayments_7930AB35E4D3181C46661E828208338D" xlink:type="arc"/>
<link:label id="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4_terseLabel_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expense </link:label>
<link:label id="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4_label_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self Insurance and Retained Loss Expense </link:label>
<link:label id="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4_documentation_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount charged in the period against reserve for self insurance and retained losses. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_SelfInsuranceAndRetainedLossExpense" xlink:label="loc_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4" xlink:to="lab_kar_SelfInsuranceAndRetainedLossExpense_66782C16A4FB020929D71E82820988A4" xlink:type="arc"/>
<link:label id="lab_us-gaap_SelfInsuranceReserve_D2A7A7D5E38393FC88361E8282097D8E_periodEndLabel_en-US" xlink:label="lab_us-gaap_SelfInsuranceReserve_D2A7A7D5E38393FC88361E8282097D8E" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at end of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SelfInsuranceReserve" xlink:label="loc_us-gaap_SelfInsuranceReserve_D2A7A7D5E38393FC88361E8282097D8E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SelfInsuranceReserve_D2A7A7D5E38393FC88361E8282097D8E" xlink:to="lab_us-gaap_SelfInsuranceReserve_D2A7A7D5E38393FC88361E8282097D8E" xlink:type="arc"/>
<link:label id="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588_terseLabel_en-US" xlink:label="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Individual stop-loss coverage for medical benefits </link:label>
<link:label id="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588_label_en-US" xlink:label="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Individual Stop Loss Coverage for Medical Benefits </link:label>
<link:label id="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588_documentation_en-US" xlink:label="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of individual stop-loss coverage for medical benefits. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_IndividualStopLossCoverageForMedicalBenefits" xlink:label="loc_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588" xlink:to="lab_kar_IndividualStopLossCoverageForMedicalBenefits_9BC8842698594329C3FE1E8282093588" xlink:type="arc"/>
<link:label id="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5_terseLabel_en-US" xlink:label="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retention for automobile and general liability claims </link:label>
<link:label id="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5_label_en-US" xlink:label="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retention for Automobile and General Liability Claims </link:label>
<link:label id="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5_documentation_en-US" xlink:label="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Retention for Automobile and General Liability Claims </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_RetentionforAutomobileandGeneralLiabilityClaims" xlink:label="loc_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5" xlink:to="lab_kar_RetentionforAutomobileandGeneralLiabilityClaims_8A22D8CB560794071C741E828209DDA5" xlink:type="arc"/>
<link:label id="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A_terseLabel_en-US" xlink:label="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retention for workers compensation claims </link:label>
<link:label id="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A_label_en-US" xlink:label="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retention for Workers Compensation Claims </link:label>
<link:label id="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A_documentation_en-US" xlink:label="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Retention for Workers Compensation Claims </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_RetentionforWorkersCompensationClaims" xlink:label="loc_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A" xlink:to="lab_kar_RetentionforWorkersCompensationClaims_BC7FBD5D8D483E1994F41E828209BB4A" xlink:type="arc"/>
<link:label id="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521_terseLabel_en-US" xlink:label="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Corridor deductible for workers compensation claims </link:label>
<link:label id="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521_label_en-US" xlink:label="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Corridor Deductible for Workers Compensation Claims </link:label>
<link:label id="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521_documentation_en-US" xlink:label="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Corridor Deductible for Workers Compensation Claims </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_CorridorDeductibleforWorkersCompensationClaims" xlink:label="loc_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521" xlink:to="lab_kar_CorridorDeductibleforWorkersCompensationClaims_0BEE69F30D7B484B6DF01E82820AE521" xlink:type="arc"/>
<link:label id="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06_terseLabel_en-US" xlink:label="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deductible amount per occurrence after corridor deductible is met </link:label>
<link:label id="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06_label_en-US" xlink:label="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deductible Amount Per Occurrence after Corridor Deductible is Met </link:label>
<link:label id="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06_documentation_en-US" xlink:label="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the deductible amount per occurrence after corridor deductible is met for workers compensation claims. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet" xlink:label="loc_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06" xlink:to="lab_kar_DeductibleAmountPerOccurrenceAfterCorridorDeductibleIsMet_04F2B8D2A81DA460BB381E82820A3D06" xlink:type="arc"/>
<link:label id="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A_terseLabel_en-US" xlink:label="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate retention for workers compensation, automobile and garage liability </link:label>
<link:label id="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A_label_en-US" xlink:label="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Aggregate Retention For Workers Compensation, Automobile And Garage Liability </link:label>
<link:label id="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A_documentation_en-US" xlink:label="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Aggregate Retention For Workers Compensation, Automobile And Garage Liability </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability" xlink:label="loc_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A" xlink:to="lab_kar_AggregateRetentionForWorkersCompensationAutomobileAndGarageLiability_7947CE97F18CD7ADF6751E82820AC01A" xlink:type="arc"/>
<link:label id="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F_terseLabel_en-US" xlink:label="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Insurance payments after aggregate retention is met up to specified amount </link:label>
<link:label id="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F_label_en-US" xlink:label="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Insurance Payments After Aggregate Retention Is Met Up To Specified Amount </link:label>
<link:label id="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F_documentation_en-US" xlink:label="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Insurance payments after aggregate retention is met up to specified amount </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount" xlink:label="loc_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F" xlink:to="lab_kar_InsurancePaymentsAfterAggregateRetentionIsMetUpToSpecifiedAmount_96690327A94EE3B135FA1E82820A677F" xlink:type="arc"/>
<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in the allowance for doubtful accounts </link:label>
<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Allowance for Credit Loss [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_1648A31B0A3BC65F11759125BFDD5DFF" xlink:type="arc"/>
<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A_periodStartLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at beginning of period </link:label>
<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Allowance for Credit Loss, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B48C87F2A7763581D2A59125BFDDEE4A" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642_terseLabel_en-US" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Provision for credit losses </link:label>
<link:label id="lab_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642_label_en-US" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Credit Loss Expense (Reversal) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642" xlink:to="lab_us-gaap_ProvisionForDoubtfulAccounts_410F77C238592234E2549125BFDD5642" xlink:type="arc"/>
<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Less net charge-offs </link:label>
<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Allowance for Credit Loss, Writeoff </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4F90BA8E8635019E6B499125BFDDF9BA" xlink:type="arc"/>
<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_4F1B6ABA7ACA07266F1C9125BFDDDD33_periodEndLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_4F1B6ABA7ACA07266F1C9125BFDDDD33" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at end of period </link:label>
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<link:label id="lab_dei_CoverAbstract_B7DA99EE23EEC3B1EDA24099699A4611_label_en-US" xlink:label="lab_dei_CoverAbstract_B7DA99EE23EEC3B1EDA24099699A4611" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cover page. </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CoverAbstract" xlink:label="loc_dei_CoverAbstract_B7DA99EE23EEC3B1EDA24099699A4611" xlink:type="locator"/>
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<link:label id="lab_dei_DocumentType_EE4C81F9D0A104C849664099699A7C90_terseLabel_en-US" xlink:label="lab_dei_DocumentType_EE4C81F9D0A104C849664099699A7C90" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document type </link:label>
<link:label id="lab_dei_DocumentType_EE4C81F9D0A104C849664099699A7C90_label_en-US" xlink:label="lab_dei_DocumentType_EE4C81F9D0A104C849664099699A7C90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Type </link:label>
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<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType_EE4C81F9D0A104C849664099699A7C90" xlink:to="lab_dei_DocumentType_EE4C81F9D0A104C849664099699A7C90" xlink:type="arc"/>
<link:label id="lab_dei_DocumentAnnualReport_63D6B4823D3F5602DDDD4099699AB8BB_terseLabel_en-US" xlink:label="lab_dei_DocumentAnnualReport_63D6B4823D3F5602DDDD4099699AB8BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document annual report </link:label>
<link:label id="lab_dei_DocumentAnnualReport_63D6B4823D3F5602DDDD4099699AB8BB_label_en-US" xlink:label="lab_dei_DocumentAnnualReport_63D6B4823D3F5602DDDD4099699AB8BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Annual Report </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentAnnualReport" xlink:label="loc_dei_DocumentAnnualReport_63D6B4823D3F5602DDDD4099699AB8BB" xlink:type="locator"/>
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<link:label id="lab_dei_DocumentPeriodEndDate_33B5374BA8713C8C328B4099699A00D0_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_33B5374BA8713C8C328B4099699A00D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document period end date </link:label>
<link:label id="lab_dei_DocumentPeriodEndDate_33B5374BA8713C8C328B4099699A00D0_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_33B5374BA8713C8C328B4099699A00D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Period End Date </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_33B5374BA8713C8C328B4099699A00D0" xlink:type="locator"/>
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<link:label id="lab_dei_DocumentTransitionReport_DF951C840D8176C525204099699A65CD_terseLabel_en-US" xlink:label="lab_dei_DocumentTransitionReport_DF951C840D8176C525204099699A65CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document transition report </link:label>
<link:label id="lab_dei_DocumentTransitionReport_DF951C840D8176C525204099699A65CD_label_en-US" xlink:label="lab_dei_DocumentTransitionReport_DF951C840D8176C525204099699A65CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Transition Report </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentTransitionReport" xlink:label="loc_dei_DocumentTransitionReport_DF951C840D8176C525204099699A65CD" xlink:type="locator"/>
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<link:label id="lab_dei_EntityFileNumber_06C0B61B343E562DB4D34099699BC111_terseLabel_en-US" xlink:label="lab_dei_EntityFileNumber_06C0B61B343E562DB4D34099699BC111" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commission file number </link:label>
<link:label id="lab_dei_EntityFileNumber_06C0B61B343E562DB4D34099699BC111_label_en-US" xlink:label="lab_dei_EntityFileNumber_06C0B61B343E562DB4D34099699BC111" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity File Number </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber" xlink:label="loc_dei_EntityFileNumber_06C0B61B343E562DB4D34099699BC111" xlink:type="locator"/>
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<link:label id="lab_dei_EntityRegistrantName_172833302AE460B7A8B14099699B9A40_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName_172833302AE460B7A8B14099699B9A40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity registrant name </link:label>
<link:label id="lab_dei_EntityRegistrantName_172833302AE460B7A8B14099699B9A40_label_en-US" xlink:label="lab_dei_EntityRegistrantName_172833302AE460B7A8B14099699B9A40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Registrant Name </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_172833302AE460B7A8B14099699B9A40" xlink:type="locator"/>
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<link:label id="lab_dei_EntityIncorporationStateCountryCode_0D97AC23ED9A0A8132434099699B8BF9_terseLabel_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode_0D97AC23ED9A0A8132434099699B8BF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity incorporation state </link:label>
<link:label id="lab_dei_EntityIncorporationStateCountryCode_0D97AC23ED9A0A8132434099699B8BF9_label_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode_0D97AC23ED9A0A8132434099699B8BF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Incorporation, State or Country Code </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="loc_dei_EntityIncorporationStateCountryCode_0D97AC23ED9A0A8132434099699B8BF9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityIncorporationStateCountryCode_0D97AC23ED9A0A8132434099699B8BF9" xlink:to="lab_dei_EntityIncorporationStateCountryCode_0D97AC23ED9A0A8132434099699B8BF9" xlink:type="arc"/>
<link:label id="lab_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E_terseLabel_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity tax identification number </link:label>
<link:label id="lab_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E_label_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Tax Identification Number </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber" xlink:label="loc_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E" xlink:to="lab_dei_EntityTaxIdentificationNumber_31AD0A40A0435D62B6914099699B4B1E" xlink:type="arc"/>
<link:label id="lab_dei_EntityAddressAddressLine1_307F3C0E4B5BD36C000D4099699BFC05_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1_307F3C0E4B5BD36C000D4099699BFC05" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity address, address line one </link:label>
<link:label id="lab_dei_EntityAddressAddressLine1_307F3C0E4B5BD36C000D4099699BFC05_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine1_307F3C0E4B5BD36C000D4099699BFC05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, Address Line One </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1" xlink:label="loc_dei_EntityAddressAddressLine1_307F3C0E4B5BD36C000D4099699BFC05" xlink:type="locator"/>
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<link:label id="lab_dei_EntityAddressCityOrTown_C0605E424D11EAC413A84099699C6FF2_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown_C0605E424D11EAC413A84099699C6FF2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity address, city </link:label>
<link:label id="lab_dei_EntityAddressCityOrTown_C0605E424D11EAC413A84099699C6FF2_label_en-US" xlink:label="lab_dei_EntityAddressCityOrTown_C0605E424D11EAC413A84099699C6FF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, City or Town </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown" xlink:label="loc_dei_EntityAddressCityOrTown_C0605E424D11EAC413A84099699C6FF2" xlink:type="locator"/>
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<link:label id="lab_dei_EntityAddressStateOrProvince_1B493693ACA82B24F59D4099699CA9DF_terseLabel_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince_1B493693ACA82B24F59D4099699CA9DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity address, state </link:label>
<link:label id="lab_dei_EntityAddressStateOrProvince_1B493693ACA82B24F59D4099699CA9DF_label_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince_1B493693ACA82B24F59D4099699CA9DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, State or Province </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince" xlink:label="loc_dei_EntityAddressStateOrProvince_1B493693ACA82B24F59D4099699CA9DF" xlink:type="locator"/>
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<link:label id="lab_dei_EntityAddressPostalZipCode_44B02F383C4043680D984099699CBD20_terseLabel_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode_44B02F383C4043680D984099699CBD20" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity address, postal zip code </link:label>
<link:label id="lab_dei_EntityAddressPostalZipCode_44B02F383C4043680D984099699CBD20_label_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode_44B02F383C4043680D984099699CBD20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, Postal Zip Code </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode" xlink:label="loc_dei_EntityAddressPostalZipCode_44B02F383C4043680D984099699CBD20" xlink:type="locator"/>
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<link:label id="lab_dei_CityAreaCode_C1C702F977E5AFDFEACE4099699CB1C7_terseLabel_en-US" xlink:label="lab_dei_CityAreaCode_C1C702F977E5AFDFEACE4099699CB1C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> City area code </link:label>
<link:label id="lab_dei_CityAreaCode_C1C702F977E5AFDFEACE4099699CB1C7_label_en-US" xlink:label="lab_dei_CityAreaCode_C1C702F977E5AFDFEACE4099699CB1C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> City Area Code </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode" xlink:label="loc_dei_CityAreaCode_C1C702F977E5AFDFEACE4099699CB1C7" xlink:type="locator"/>
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<link:label id="lab_dei_LocalPhoneNumber_035C4765E8E6D85689C84099699C0AFF_terseLabel_en-US" xlink:label="lab_dei_LocalPhoneNumber_035C4765E8E6D85689C84099699C0AFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Local phone number </link:label>
<link:label id="lab_dei_LocalPhoneNumber_035C4765E8E6D85689C84099699C0AFF_label_en-US" xlink:label="lab_dei_LocalPhoneNumber_035C4765E8E6D85689C84099699C0AFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Local Phone Number </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber" xlink:label="loc_dei_LocalPhoneNumber_035C4765E8E6D85689C84099699C0AFF" xlink:type="locator"/>
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<link:label id="lab_dei_Security12bTitle_92F1BB291E769FE4508B4099699CE889_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle_92F1BB291E769FE4508B4099699CE889" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Title of 12(b) security </link:label>
<link:label id="lab_dei_Security12bTitle_92F1BB291E769FE4508B4099699CE889_label_en-US" xlink:label="lab_dei_Security12bTitle_92F1BB291E769FE4508B4099699CE889" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Title of 12(b) Security </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle" xlink:label="loc_dei_Security12bTitle_92F1BB291E769FE4508B4099699CE889" xlink:type="locator"/>
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<link:label id="lab_dei_TradingSymbol_A9128DEF8114AC27AB874099699C21EE_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol_A9128DEF8114AC27AB874099699C21EE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trading symbol </link:label>
<link:label id="lab_dei_TradingSymbol_A9128DEF8114AC27AB874099699C21EE_label_en-US" xlink:label="lab_dei_TradingSymbol_A9128DEF8114AC27AB874099699C21EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trading Symbol </link:label>
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<link:label id="lab_dei_EntityWellKnownSeasonedIssuer_781DA4697597418915504099699D8D9C_terseLabel_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_781DA4697597418915504099699D8D9C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Well-known seasoned issuer </link:label>
<link:label id="lab_dei_EntityWellKnownSeasonedIssuer_781DA4697597418915504099699D8D9C_label_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_781DA4697597418915504099699D8D9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Well-known Seasoned Issuer </link:label>
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<link:label id="lab_dei_EntityCurrentReportingStatus_068BBB6CD48AE537C9454099699D2A7F_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_068BBB6CD48AE537C9454099699D2A7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity current reporting status </link:label>
<link:label id="lab_dei_EntityCurrentReportingStatus_068BBB6CD48AE537C9454099699D2A7F_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_068BBB6CD48AE537C9454099699D2A7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Current Reporting Status </link:label>
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<link:label id="lab_dei_EntityInteractiveDataCurrent_5066E4404D2A583FDB8A4099699D6CDC_terseLabel_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent_5066E4404D2A583FDB8A4099699D6CDC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity interactive data current </link:label>
<link:label id="lab_dei_EntityInteractiveDataCurrent_5066E4404D2A583FDB8A4099699D6CDC_label_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent_5066E4404D2A583FDB8A4099699D6CDC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Interactive Data Current </link:label>
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<link:label id="lab_dei_EntityFilerCategory_54E68871163A5902A16D4099699E2663_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory_54E68871163A5902A16D4099699E2663" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity filer category </link:label>
<link:label id="lab_dei_EntityFilerCategory_54E68871163A5902A16D4099699E2663_label_en-US" xlink:label="lab_dei_EntityFilerCategory_54E68871163A5902A16D4099699E2663" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Filer Category </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_54E68871163A5902A16D4099699E2663" xlink:type="locator"/>
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<link:label id="lab_dei_EntitySmallBusiness_6C12A33203BAA7A0B2004099699EA66A_terseLabel_en-US" xlink:label="lab_dei_EntitySmallBusiness_6C12A33203BAA7A0B2004099699EA66A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity small business </link:label>
<link:label id="lab_dei_EntitySmallBusiness_6C12A33203BAA7A0B2004099699EA66A_label_en-US" xlink:label="lab_dei_EntitySmallBusiness_6C12A33203BAA7A0B2004099699EA66A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Small Business </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitySmallBusiness" xlink:label="loc_dei_EntitySmallBusiness_6C12A33203BAA7A0B2004099699EA66A" xlink:type="locator"/>
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<link:label id="lab_dei_EntityEmergingGrowthCompany_23B67D5847C39AEC24724099699E2531_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany_23B67D5847C39AEC24724099699E2531" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity emerging growth company </link:label>
<link:label id="lab_dei_EntityEmergingGrowthCompany_23B67D5847C39AEC24724099699E2531_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany_23B67D5847C39AEC24724099699E2531" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Emerging Growth Company </link:label>
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<link:label id="lab_dei_EntityShellCompany_21B2B6650911A38122CD4099699ED0CD_terseLabel_en-US" xlink:label="lab_dei_EntityShellCompany_21B2B6650911A38122CD4099699ED0CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity shell company </link:label>
<link:label id="lab_dei_EntityShellCompany_21B2B6650911A38122CD4099699ED0CD_label_en-US" xlink:label="lab_dei_EntityShellCompany_21B2B6650911A38122CD4099699ED0CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Shell Company </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityShellCompany" xlink:label="loc_dei_EntityShellCompany_21B2B6650911A38122CD4099699ED0CD" xlink:type="locator"/>
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<link:label id="lab_dei_EntityPublicFloat_1617F1989D74BF944F644099699E92B7_terseLabel_en-US" xlink:label="lab_dei_EntityPublicFloat_1617F1989D74BF944F644099699E92B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity public float </link:label>
<link:label id="lab_dei_EntityPublicFloat_1617F1989D74BF944F644099699E92B7_label_en-US" xlink:label="lab_dei_EntityPublicFloat_1617F1989D74BF944F644099699E92B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Public Float </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat_1617F1989D74BF944F644099699E92B7" xlink:type="locator"/>
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<link:label id="lab_dei_EntityCommonStockSharesOutstanding_9970550373BC369EE6254099699ED1D3_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_9970550373BC369EE6254099699ED1D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity common stock, shares outstanding </link:label>
<link:label id="lab_dei_EntityCommonStockSharesOutstanding_9970550373BC369EE6254099699ED1D3_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_9970550373BC369EE6254099699ED1D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Common Stock, Shares Outstanding </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_9970550373BC369EE6254099699ED1D3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_720F13BF7FE9C211040240999E9A0C70_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_720F13BF7FE9C211040240999E9A0C70" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, par value (in dollars per share) </link:label>
<link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_720F13BF7FE9C211040240999E9A0C70_label_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_720F13BF7FE9C211040240999E9A0C70" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Par or Stated Value Per Share </link:label>
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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_F24D871A065830AD2DA99125BD26F7F7_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_F24D871A065830AD2DA99125BD26F7F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and Equipment </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_F24D871A065830AD2DA99125BD26F7F7_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_F24D871A065830AD2DA99125BD26F7F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment Disclosure [Text Block] </link:label>
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<link:label id="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_2F8D81BD80C37F300969213B20CACCFD_label_en-US" xlink:label="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_2F8D81BD80C37F300969213B20CACCFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Comprehensive Income [Abstract] </link:label>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_88C6F20486CFAAC77DF8213B20CB89F3_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_88C6F20486CFAAC77DF8213B20CB89F3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other comprehensive income (loss) </link:label>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_58675D23C9F91A559915213B20CB43A3_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_58675D23C9F91A559915213B20CB43A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency translation gain (loss) </link:label>
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<link:label id="lab_us-gaap_BusinessCombinationsAbstract_223D4A148CA8B3864E75213B2032BFB8_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationsAbstract_223D4A148CA8B3864E75213B2032BFB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combinations [Abstract] </link:label>
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<link:label id="lab_us-gaap_ContingentConsiderationTypeDomain_D354921639030672EDB5213B2033DAF2_terseLabel_en-US" xlink:label="lab_us-gaap_ContingentConsiderationTypeDomain_D354921639030672EDB5213B2033DAF2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contingent Consideration Type </link:label>
<link:label id="lab_us-gaap_ContingentConsiderationTypeDomain_D354921639030672EDB5213B2033DAF2_label_en-US" xlink:label="lab_us-gaap_ContingentConsiderationTypeDomain_D354921639030672EDB5213B2033DAF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contingent Consideration Type [Domain] </link:label>
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<link:label id="lab_us-gaap_CustomerRelationshipsMember_155AC04DD8D4F11D0FDE213B2033C931_terseLabel_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_155AC04DD8D4F11D0FDE213B2033C931" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer relationships </link:label>
<link:label id="lab_us-gaap_CustomerRelationshipsMember_155AC04DD8D4F11D0FDE213B2033C931_label_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_155AC04DD8D4F11D0FDE213B2033C931" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer Relationships [Member] </link:label>
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<link:label id="lab_us-gaap_BusinessAcquisitionAxis_AE4AB99A2DF623009520213B2034014B_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_AE4AB99A2DF623009520213B2034014B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Acquisition </link:label>
<link:label id="lab_us-gaap_BusinessAcquisitionAxis_AE4AB99A2DF623009520213B2034014B_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_AE4AB99A2DF623009520213B2034014B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition [Axis] </link:label>
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<link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_07C4408F4D45BE4B523F213B203419F7_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain_07C4408F4D45BE4B523F213B203419F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Acquisition, Acquiree </link:label>
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<link:label id="lab_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_C84312439D79F6D715D5213B2035F46A_terseLabel_en-US" xlink:label="lab_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_C84312439D79F6D715D5213B2035F46A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Series of individually immaterial business acquisitions </link:label>
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<link:label id="lab_us-gaap_BusinessAcquisitionLineItems_A29698333283420E9155213B203569E6_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionLineItems_A29698333283420E9155213B203569E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Acquisitions </link:label>
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<link:label id="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_71D1E6007DBE652751FB213B20369D30_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_71D1E6007DBE652751FB213B20369D30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_71D1E6007DBE652751FB213B20369D30" xlink:type="locator"/>
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<link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_96FF81DC58DB81C1118F213B203641A2_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_96FF81DC58DB81C1118F213B203641A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchase price for the acquired business allocated to intangible assets </link:label>
<link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_96FF81DC58DB81C1118F213B203641A2_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_96FF81DC58DB81C1118F213B203641A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill </link:label>
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<link:label id="lab_kar_OtherIntangibleAssetsGross_9DDD1BE034FDCF6E46F0213B2036BF74_terseLabel_en-US" xlink:label="lab_kar_OtherIntangibleAssetsGross_9DDD1BE034FDCF6E46F0213B2036BF74" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchase price for the acquired business allocated to intangible assets </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_OtherIntangibleAssetsGross" xlink:label="loc_kar_OtherIntangibleAssetsGross_9DDD1BE034FDCF6E46F0213B2036BF74" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Goodwill_9AAEF4E003D9A8C4CB2A213B20370E6B_terseLabel_en-US" xlink:label="lab_us-gaap_Goodwill_9AAEF4E003D9A8C4CB2A213B20370E6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_9AAEF4E003D9A8C4CB2A213B20370E6B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_9AAEF4E003D9A8C4CB2A213B20370E6B" xlink:to="lab_us-gaap_Goodwill_9AAEF4E003D9A8C4CB2A213B20370E6B" xlink:type="arc"/>
<link:label id="lab_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6_terseLabel_en-US" xlink:label="lab_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business acquisition initial annual lease payments </link:label>
<link:label id="lab_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6_label_en-US" xlink:label="lab_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition Initial Annual Lease Payments </link:label>
<link:label id="lab_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6_documentation_en-US" xlink:label="lab_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of initial annual lease payments for the various facilities in a business combination. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_BusinessAcquisitionInitialAnnualLeasePayments" xlink:label="loc_kar_BusinessAcquisitionInitialAnnualLeasePayments_1478652CDC545848963D213B203796E6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Allowance for Credit Losses and Doubtful Accounts </link:label>
<link:label id="lab_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C_label_en-US" xlink:label="lab_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allowance for Credit Losses [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForCreditLossesTextBlock" xlink:label="loc_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C" xlink:to="lab_us-gaap_AllowanceForCreditLossesTextBlock_72B52A3D6B0990F5EEAF9125BBDAD53C" xlink:type="arc"/>
<link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B_terseLabel_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock and Stock-Based Compensation Plans </link:label>
<link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7C0D77843E84013C763C9125BD2F3C2B" xlink:type="arc"/>
<link:label id="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of stock-based compensation expense by type of award </link:label>
<link:label id="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6_label_en-US" xlink:label="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Compensation Cost for Share Based Payment Arrangements Allocation of Share Based Compensation Costs by Award Type [Table Text Block] </link:label>
<link:label id="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6_documentation_en-US" xlink:label="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation award. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock" xlink:label="loc_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6" xlink:to="lab_kar_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByAwardTypeTableTextBlock_77CA3D849993B37C5B5F213B2009CBD6" xlink:type="arc"/>
<link:label id="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1_terseLabel_en-US" xlink:label="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of PRSU activity </link:label>
<link:label id="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1_label_en-US" xlink:label="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Nonvested Performance Restricted Stock Units Activity [Table Text Block] </link:label>
<link:label id="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1_documentation_en-US" xlink:label="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tabular disclosure of the changes in outstanding nonvested performance restricted stock units (PRSUs). </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock" xlink:label="loc_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1" xlink:to="lab_kar_ScheduleofNonvestedPerformanceRestrictedStockUnitsActivityTableTextBlock_A102B603147003C21F54213B200B8AA1" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_D2FDA2FEBDE32E830F93213B200B1E07_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_D2FDA2FEBDE32E830F93213B200B1E07" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of RSU activity </link:label>
<link:label id="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_D2FDA2FEBDE32E830F93213B200B1E07_label_en-US" xlink:label="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_D2FDA2FEBDE32E830F93213B200B1E07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_D2FDA2FEBDE32E830F93213B200B1E07" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FFCE80F12A770F8E16C0213B200B61FB_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FFCE80F12A770F8E16C0213B200B61FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of option activity </link:label>
<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FFCE80F12A770F8E16C0213B200B61FB_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FFCE80F12A770F8E16C0213B200B61FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Option, Activity [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FFCE80F12A770F8E16C0213B200B61FB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SubsequentEventsAbstract_6896374512F8F082558A2F313D914D69_label_en-US" xlink:label="lab_us-gaap_SubsequentEventsAbstract_6896374512F8F082558A2F313D914D69" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Events [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="loc_us-gaap_SubsequentEventsAbstract_6896374512F8F082558A2F313D914D69" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SubsequentEventsTextBlock_B23324C9F974B270A6FF2F313D97B43E_label_en-US" xlink:label="lab_us-gaap_SubsequentEventsTextBlock_B23324C9F974B270A6FF2F313D97B43E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Events [Text Block] </link:label>
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<link:label id="lab_us-gaap_LongTermDebtAbstract_A1ACA2E717E0E364C8EA54D744D20690_label_en-US" xlink:label="lab_us-gaap_LongTermDebtAbstract_A1ACA2E717E0E364C8EA54D744D20690" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Unclassified [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtAbstract" xlink:label="loc_us-gaap_LongTermDebtAbstract_A1ACA2E717E0E364C8EA54D744D20690" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Debt Instruments </link:label>
<link:label id="lab_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7" xlink:to="lab_us-gaap_DebtInstrumentTable_D125E221ACE4ACF0C06754D744D205A7" xlink:type="arc"/>
<link:label id="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9_terseLabel_en-US" xlink:label="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Canadian Line of Credit </link:label>
<link:label id="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9_label_en-US" xlink:label="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Canadian Line of Credit [Member] </link:label>
<link:label id="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9_documentation_en-US" xlink:label="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Canadian Line of Credit </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_CanadianLineofCreditMember" xlink:label="loc_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9" xlink:to="lab_kar_CanadianLineofCreditMember_D0150B50093686E381BC54D744D4FEB9" xlink:type="arc"/>
<link:label id="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D_terseLabel_en-US" xlink:label="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan B-4 </link:label>
<link:label id="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D_label_en-US" xlink:label="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Term Loan B-4 [Member] </link:label>
<link:label id="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D_documentation_en-US" xlink:label="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents details pertaining to Term Loan B-4 due on March 11, 2021. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_TermLoanB4Member" xlink:label="loc_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D" xlink:to="lab_kar_TermLoanB4Member_7427B51460B2C1338F1C54D744DA099D" xlink:type="arc"/>
<link:label id="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6_terseLabel_en-US" xlink:label="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan B-5 </link:label>
<link:label id="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6_label_en-US" xlink:label="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Term Loan B-5 [Member] </link:label>
<link:label id="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6_documentation_en-US" xlink:label="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents details pertaining to Term Loan B-5 due on March 9, 2023. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_TermLoanB5Member" xlink:label="loc_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6" xlink:to="lab_kar_TermLoanB5Member_97F7BFC09D31FCA7071554D744DABCD6" xlink:type="arc"/>
<link:label id="lab_us-gaap_RevolvingCreditFacilityMember_A6952F3B8C37CF0DB8D554D744DBD7B5_verboseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_A6952F3B8C37CF0DB8D554D744DBD7B5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Revolving credit facility </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_A6952F3B8C37CF0DB8D554D744DBD7B5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_A6952F3B8C37CF0DB8D554D744DBD7B5" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember_A6952F3B8C37CF0DB8D554D744DBD7B5" xlink:type="arc"/>
<link:label id="lab_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B_terseLabel_en-US" xlink:label="lab_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Letters of credit </link:label>
<link:label id="lab_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B_label_en-US" xlink:label="lab_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Letter of Credit [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:label="loc_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B" xlink:to="lab_us-gaap_LetterOfCreditMember_06F72FD7E7D3E696922B54D744DB581B" xlink:type="arc"/>
<link:label id="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78_terseLabel_en-US" xlink:label="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Swing line loans </link:label>
<link:label id="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78_label_en-US" xlink:label="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Swing Line Loan [Member] </link:label>
<link:label id="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78_documentation_en-US" xlink:label="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the details pertaining to swing line loans. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_SwingLineLoanMember" xlink:label="loc_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78" xlink:to="lab_kar_SwingLineLoanMember_4DE93B8A12E17658EEBD54D744DB4C78" xlink:type="arc"/>
<link:label id="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677_terseLabel_en-US" xlink:label="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan B-4 and Term Loan B-5 aggregate principal </link:label>
<link:label id="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677_label_en-US" xlink:label="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Term Loan B-4 and Term Loan B-5 Aggregate Principal [Member] </link:label>
<link:label id="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677_documentation_en-US" xlink:label="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Term Loan B-4 and Term Loan B-5 Aggregate Principal </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_TermLoanB4andTermLoanB5AggregatePrincipalMember" xlink:label="loc_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677" xlink:to="lab_kar_TermLoanB4andTermLoanB5AggregatePrincipalMember_19029586BA3124CD4F9054D744DC4677" xlink:type="arc"/>
<link:label id="lab_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Rate </link:label>
<link:label id="lab_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590_label_en-US" xlink:label="lab_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590" xlink:to="lab_us-gaap_VariableRateAxis_47083A1FD948F14850D754D744DC6590" xlink:type="arc"/>
<link:label id="lab_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Rate </link:label>
<link:label id="lab_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93_label_en-US" xlink:label="lab_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93" xlink:to="lab_us-gaap_VariableRateDomain_8757A37E276278DE4F7D54D744DC8F93" xlink:type="arc"/>
<link:label id="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjusted LIBOR </link:label>
<link:label id="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC_label_en-US" xlink:label="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument Variable Rate Base Adjusted LIBOR [Member] </link:label>
<link:label id="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC_documentation_en-US" xlink:label="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the adjusted London Interbank Offered Rate for statutory reserve requirements used to calculate the variable interest rate of the debt instrument. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember" xlink:label="loc_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC" xlink:to="lab_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_B2297DD6C220EB28CED754D744DDA6FC" xlink:type="arc"/>
<link:label id="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Base rate </link:label>
<link:label id="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8_label_en-US" xlink:label="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument Variable Rate Base [Member] </link:label>
<link:label id="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8_documentation_en-US" xlink:label="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the base rate used to calculate the variable interest rate of the debt instrument. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentVariableRateBaseMember" xlink:label="loc_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8" xlink:to="lab_kar_DebtInstrumentVariableRateBaseMember_AAF7EFCE58399D6C995F54D744DD34E8" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-Term Debt </link:label>
<link:label id="lab_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284" xlink:to="lab_us-gaap_DebtInstrumentLineItems_1E533B366E4452A6FCCA54D744DD4284" xlink:type="arc"/>
<link:label id="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C_terseLabel_en-US" xlink:label="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Acceleration of amortization on debt issuance costs </link:label>
<link:label id="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C_label_en-US" xlink:label="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accelerated Amortization of Debt Issuance Costs </link:label>
<link:label id="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C_documentation_en-US" xlink:label="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Accelerated Amortization of Debt Issuance Costs </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_AcceleratedAmortizationofDebtIssuanceCosts" xlink:label="loc_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C" xlink:to="lab_kar_AcceleratedAmortizationofDebtIssuanceCosts_04BBDD3B6C8E3BB1AFF454D744DE999C" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Early termination penalties </link:label>
<link:label id="lab_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payment for Debt Extinguishment or Debt Prepayment Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDebtExtinguishmentCosts" xlink:label="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D" xlink:to="lab_us-gaap_PaymentsOfDebtExtinguishmentCosts_666EB42BDFF7698756CC54D744DE9F8D" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_C24D010E54A0659D486B54D744DE9932_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_C24D010E54A0659D486B54D744DE9932" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Payments for debt issuance costs/amendments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_C24D010E54A0659D486B54D744DE9932" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDebtIssuanceCosts_C24D010E54A0659D486B54D744DE9932" xlink:to="lab_us-gaap_PaymentsOfDebtIssuanceCosts_C24D010E54A0659D486B54D744DE9932" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unamortized discount at issuance </link:label>
<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Unamortized Discount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB" xlink:to="lab_us-gaap_DebtInstrumentUnamortizedDiscount_3C267B7C3A6D3C9B681F54D744DF79CB" xlink:type="arc"/>
<link:label id="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Quarterly payment as percentage of original principal amount outstanding </link:label>
<link:label id="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7_label_en-US" xlink:label="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument Periodic Payment as Percentage of Principal Amount </link:label>
<link:label id="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7_documentation_en-US" xlink:label="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the quarterly installment payments as a percentage of the original aggregate principal amount. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount" xlink:label="loc_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7" xlink:to="lab_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_9F7A06CDA55434A8146F54D744E492C7" xlink:type="arc"/>
<link:label id="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of equity interests of certain of the company's and the Subsidiary Guarantors' domestic subsidiaries pledged under the Credit Facility </link:label>
<link:label id="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309_label_en-US" xlink:label="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Percentage of Equity Interest of Entity and Domestic Subsidiaries of Subsidiary Guarantors Pledge </link:label>
<link:label id="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309_documentation_en-US" xlink:label="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the percentage of equity interests of certain of the company's and the Subsidiary Guarantors' domestic subsidiaries pledged under the Credit Facility. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge" xlink:label="loc_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309" xlink:to="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_02C1ABED7C9E9600702054D744E4D309" xlink:type="arc"/>
<link:label id="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of equity interests of certain of the company's and the Subsidiary Guarantors' first-tier foreign subsidiaries pledged under the Credit Facility </link:label>
<link:label id="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4_label_en-US" xlink:label="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Percentage of Equity Interest of Entity and Foreign Subsidiaries of Subsidiary Guarantors Pledge </link:label>
<link:label id="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4_documentation_en-US" xlink:label="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the percentage of equity interests of certain of the company's and the Subsidiary Guarantors' first-tier foreign subsidiaries pledged under the Credit Facility. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge" xlink:label="loc_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4" xlink:to="lab_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_E4520E3EB55C6FCB2D5754D744E40FD4" xlink:type="arc"/>
<link:label id="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754_terseLabel_en-US" xlink:label="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Credit facility consolidated senior secured net leverage ratio </link:label>
<link:label id="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754_label_en-US" xlink:label="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Facility Consolidated Senior Secured Net Leverage Ratio </link:label>
<link:label id="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754_documentation_en-US" xlink:label="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Credit Facility consolidated senior secured net leverage ratio </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio" xlink:label="loc_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754" xlink:to="lab_kar_CreditFacilityConsolidatedSeniorSecuredNetLeverageRatio_8917AF86F44A66C2DA3E54D744E4D754" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest rate basis (as a percent) </link:label>
<link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Basis Spread on Variable Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_09B290EE58DFDF103D7254D744E51CE0" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable rate basis </link:label>
<link:label id="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Description of Variable Rate Basis </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD" xlink:to="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_0DF962AB315886E2016D54D744E5E6CD" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Frequency of commitment fee payment </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Frequency of Commitment Fee Payment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment" xlink:label="loc_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3" xlink:to="lab_us-gaap_LineOfCreditFacilityFrequencyOfCommitmentFeePayment_22FD93275E6A843B192854D744E5F0E3" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest rate of loan (as a percent) </link:label>
<link:label id="lab_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488_label_en-US" xlink:label="lab_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtPercentageBearingVariableInterestRate" xlink:label="loc_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488" xlink:to="lab_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_4D7E5A3FA735E69E7B9254D744E52488" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amount borrowed </link:label>
<link:label id="lab_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Line of Credit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0" xlink:to="lab_us-gaap_LineOfCredit_BD624DFFFE60A0BDBEFD54D744E562F0" xlink:type="arc"/>
<link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6_terseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Outstanding letters of credit </link:label>
<link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Letters of Credit Outstanding, Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6" xlink:to="lab_us-gaap_LettersOfCreditOutstandingAmount_EDD92D46BD10F77A891654D744E53CA6" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term of debt instrument </link:label>
<link:label id="lab_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="loc_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D" xlink:to="lab_us-gaap_DebtInstrumentTerm_96E6AFDCE2E54BD457CA54D744E71E8D" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commitment fee on the unused amount of the Revolving Credit Facility (as a percent) </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Unused Capacity, Commitment Fee Percentage </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2" xlink:to="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5E15727C93A190A222CF54D744E7F6D2" xlink:type="arc"/>
<link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_A1A5B0450BB4FF815DD41060E1124178_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_A1A5B0450BB4FF815DD41060E1124178" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Financial Position [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_A1A5B0450BB4FF815DD41060E1124178" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_A1A5B0450BB4FF815DD41060E1124178" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract_A1A5B0450BB4FF815DD41060E1124178" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assets </link:label>
<link:label id="lab_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D" xlink:to="lab_us-gaap_AssetsAbstract_6FAF9CEED5C06DB44A641060E113404D" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current assets </link:label>
<link:label id="lab_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49_label_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Current [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49" xlink:to="lab_us-gaap_AssetsCurrentAbstract_4D1691524AA88893CB4F1060E113EE49" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents </link:label>
<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, at Carrying Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_E6E9BCFB815A98B4B4CB1060E113C5CC" xlink:type="arc"/>
<link:label id="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restricted cash </link:label>
<link:label id="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E_label_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted Cash and Cash Equivalents, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E" xlink:to="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4D9300BF1639697D82BC1060E113C80E" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trade receivables, net of allowances of $9.5 and $8.7 </link:label>
<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, after Allowance for Credit Loss, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838" xlink:to="lab_us-gaap_AccountsReceivableNetCurrent_D4EA34FFD3EF58800DA51060E114C838" xlink:type="arc"/>
<link:label id="lab_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F_terseLabel_en-US" xlink:label="lab_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance receivables, net of allowances of $15.0 and $14.0 </link:label>
<link:label id="lab_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F_label_en-US" xlink:label="lab_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, after Allowance for Credit Loss, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesAndLoansReceivableNetCurrent" xlink:label="loc_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F" xlink:to="lab_us-gaap_NotesAndLoansReceivableNetCurrent_5C75AA48FD92761D13EB1060E1143B5F" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other current assets </link:label>
<link:label id="lab_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B_label_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B" xlink:to="lab_us-gaap_OtherAssetsCurrent_7201F943C7436545A23F1060E114D49B" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current assets, discontinued operations </link:label>
<link:label id="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233_label_en-US" xlink:label="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Assets, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233" xlink:to="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3DF022CE716D432C8AD21060E1140233" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current assets </link:label>
<link:label id="lab_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A_label_en-US" xlink:label="lab_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A" xlink:to="lab_us-gaap_AssetsCurrent_17AA0BE1DC33DEC119441060E114213A" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other assets </link:label>
<link:label id="lab_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD_label_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Noncurrent [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsNoncurrentAbstract" xlink:label="loc_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD" xlink:to="lab_us-gaap_AssetsNoncurrentAbstract_D9644BC30E8F5032A7271060E114CBBD" xlink:type="arc"/>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Customer relationships, net of accumulated amortization of $637.4 and $587.0 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0A433EEAD158811F2D981060E11538D3" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherIntangibleAssetsNet_2BBCBEA3F417C34572451060E115498F_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherIntangibleAssetsNet_2BBCBEA3F417C34572451060E115498F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Other intangible assets, net of accumulated amortization of $292.4 and $255.3 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherIntangibleAssetsNet" xlink:label="loc_us-gaap_OtherIntangibleAssetsNet_2BBCBEA3F417C34572451060E115498F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherIntangibleAssetsNet_2BBCBEA3F417C34572451060E115498F" xlink:to="lab_us-gaap_OtherIntangibleAssetsNet_2BBCBEA3F417C34572451060E115498F" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other assets </link:label>
<link:label id="lab_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458" xlink:to="lab_us-gaap_OtherAssetsNoncurrent_44986CB10F6520A469051060E1151458" xlink:type="arc"/>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-current assets, discontinued operations </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Assets, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_171D865EBC4F82346B131060E1164F14" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total other assets </link:label>
<link:label id="lab_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B_label_en-US" xlink:label="lab_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsNoncurrent" xlink:label="loc_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B" xlink:to="lab_us-gaap_AssetsNoncurrent_285BFDF14374C17ABE951060E1162C2B" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_43B4D7827E6CE69A88911060E116632A_verboseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_43B4D7827E6CE69A88911060E116632A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment, net of accumulated depreciation of $534.3 and $467.5 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_43B4D7827E6CE69A88911060E116632A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_43B4D7827E6CE69A88911060E116632A" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_43B4D7827E6CE69A88911060E116632A" xlink:type="arc"/>
<link:label id="lab_us-gaap_Assets_5B834C5421B18548CAA41060E1162B98_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_5B834C5421B18548CAA41060E1162B98" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_5B834C5421B18548CAA41060E1162B98" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets_5B834C5421B18548CAA41060E1162B98" xlink:to="lab_us-gaap_Assets_5B834C5421B18548CAA41060E1162B98" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liabilities and Stockholders' Equity </link:label>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_81487E7ED3B927B9A0451060E116B066" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current liabilities </link:label>
<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4" xlink:to="lab_us-gaap_LiabilitiesCurrentAbstract_FC734C1290D434CCEC7E1060E11664D4" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable </link:label>
<link:label id="lab_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA" xlink:to="lab_us-gaap_AccountsPayableCurrent_F2F0DC6C81A4687139E81060E117F5FA" xlink:type="arc"/>
<link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued employee benefits and compensation expenses </link:label>
<link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D_label_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee-related Liabilities, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D" xlink:to="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_7468D0CFD3CE7D26FCA91060E117D45D" xlink:type="arc"/>
<link:label id="lab_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued interest </link:label>
<link:label id="lab_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D_label_en-US" xlink:label="lab_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Payable, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="loc_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D" xlink:to="lab_us-gaap_InterestPayableCurrent_21169F5CBEBA3276D15B1060E117089D" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income taxes payable </link:label>
<link:label id="lab_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292_label_en-US" xlink:label="lab_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrued Income Taxes, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292" xlink:to="lab_us-gaap_AccruedIncomeTaxesCurrent_171679F91EDB86B6ABF51060E1189292" xlink:type="arc"/>
<link:label id="lab_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends payable </link:label>
<link:label id="lab_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57_label_en-US" xlink:label="lab_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends Payable, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsPayableCurrent" xlink:label="loc_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57" xlink:to="lab_us-gaap_DividendsPayableCurrent_E2620A418F1DCA4DCC441060E1183D57" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current maturities of long-term debt </link:label>
<link:label id="lab_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768_label_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Current Maturities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768" xlink:to="lab_us-gaap_LongTermDebtCurrent_AA33752D45C0667262641060E118A768" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_E78762155B3C66D2FFA81060E118BC3C_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_E78762155B3C66D2FFA81060E118BC3C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current liabilities, discontinued operations </link:label>
<link:label id="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_E78762155B3C66D2FFA81060E118BC3C_label_en-US" xlink:label="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_E78762155B3C66D2FFA81060E118BC3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Liabilities, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_E78762155B3C66D2FFA81060E118BC3C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LiabilitiesCurrent_84365548EE3557FDCC521060E118DD27_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_84365548EE3557FDCC521060E118DD27" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current liabilities </link:label>
<link:label id="lab_us-gaap_LiabilitiesCurrent_84365548EE3557FDCC521060E118DD27_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_84365548EE3557FDCC521060E118DD27" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_84365548EE3557FDCC521060E118DD27" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LiabilitiesNoncurrentAbstract_67004E24470FF016FBD91060E119FF3E_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrentAbstract_67004E24470FF016FBD91060E119FF3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-current liabilities </link:label>
<link:label id="lab_us-gaap_LiabilitiesNoncurrentAbstract_67004E24470FF016FBD91060E119FF3E_label_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrentAbstract_67004E24470FF016FBD91060E119FF3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Noncurrent [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesNoncurrentAbstract_67004E24470FF016FBD91060E119FF3E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebtNoncurrent_B15FF28E13EDC876243A1060E1194D1B_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_B15FF28E13EDC876243A1060E1194D1B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label>
<link:label id="lab_us-gaap_LongTermDebtNoncurrent_B15FF28E13EDC876243A1060E1194D1B_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_B15FF28E13EDC876243A1060E1194D1B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Excluding Current Maturities </link:label>
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<link:label id="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_FD94CECF5540FEA26D221060E1198279_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_FD94CECF5540FEA26D221060E1198279" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income tax liabilities </link:label>
<link:label id="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_FD94CECF5540FEA26D221060E1198279_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_FD94CECF5540FEA26D221060E1198279" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liabilities, Net, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_FD94CECF5540FEA26D221060E1198279" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LiabilitiesNoncurrent_7D3B35F44C044A6E2B5B1060E11AA662_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrent_7D3B35F44C044A6E2B5B1060E11AA662" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total non-current liabilities </link:label>
<link:label id="lab_us-gaap_LiabilitiesNoncurrent_7D3B35F44C044A6E2B5B1060E11AA662_label_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrent_7D3B35F44C044A6E2B5B1060E11AA662" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_7D3B35F44C044A6E2B5B1060E11AA662" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommitmentsAndContingencies_355BC1611BD4451286D41060E11A2A3B_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_355BC1611BD4451286D41060E11A2A3B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commitments and contingencies (Note 17) </link:label>
<link:label id="lab_us-gaap_CommitmentsAndContingencies_355BC1611BD4451286D41060E11A2A3B_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_355BC1611BD4451286D41060E11A2A3B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commitments and Contingencies </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_355BC1611BD4451286D41060E11A2A3B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stockholders' equity </link:label>
<link:label id="lab_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D" xlink:to="lab_us-gaap_StockholdersEquityAbstract_E75624F550ADDEB4E3CF1060E11A481D" xlink:type="arc"/>
<link:label id="lab_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58_verboseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, $0.01 par value: Authorized shares: 100,000,000; Issued shares: none </link:label>
<link:label id="lab_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58_label_en-US" xlink:label="lab_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Value, Issued </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58" xlink:to="lab_us-gaap_PreferredStockValue_DAF3CF9A65E8D3B999FE1060E11ADE58" xlink:type="arc"/>
<link:label id="lab_us-gaap_CommonStockValue_3F095F0395DF763083FF1060E11B5796_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockValue_3F095F0395DF763083FF1060E11B5796" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, $0.01 par value: Authorized shares: 400,000,000; Issued and outstanding shares: 128,833,452 (2019), 132,887,029 (2018) </link:label>
<link:label id="lab_us-gaap_CommonStockValue_3F095F0395DF763083FF1060E11B5796_label_en-US" xlink:label="lab_us-gaap_CommonStockValue_3F095F0395DF763083FF1060E11B5796" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Value, Issued </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_3F095F0395DF763083FF1060E11B5796" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_EE4B2D2F43E79C251A601060E11BC683_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_EE4B2D2F43E79C251A601060E11BC683" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additional paid-in capital </link:label>
<link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_EE4B2D2F43E79C251A601060E11BC683_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_EE4B2D2F43E79C251A601060E11BC683" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional Paid in Capital, Common Stock </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_EE4B2D2F43E79C251A601060E11BC683" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_CBDC67DD208D90FDE07E1060E11BB587_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_CBDC67DD208D90FDE07E1060E11BB587" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retained earnings </link:label>
<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_CBDC67DD208D90FDE07E1060E11BB587_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_CBDC67DD208D90FDE07E1060E11BB587" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained Earnings (Accumulated Deficit) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_CBDC67DD208D90FDE07E1060E11BB587" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1A96D3F5AEEED24D96BB1060E11B604D_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1A96D3F5AEEED24D96BB1060E11B604D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive loss </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1A96D3F5AEEED24D96BB1060E11B604D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StockholdersEquity_0E5927C37C0D2FD4D40B1060E11B9B8A_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_0E5927C37C0D2FD4D40B1060E11B9B8A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total stockholders' equity </link:label>
<link:label id="lab_us-gaap_StockholdersEquity_0E5927C37C0D2FD4D40B1060E11B9B8A_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity_0E5927C37C0D2FD4D40B1060E11B9B8A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_0E5927C37C0D2FD4D40B1060E11B9B8A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD3E0A395152F40EF1A91060E11B8AB5_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD3E0A395152F40EF1A91060E11B8AB5" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities and stockholders' equity </link:label>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD3E0A395152F40EF1A91060E11B8AB5_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD3E0A395152F40EF1A91060E11B8AB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_AD3E0A395152F40EF1A91060E11B8AB5" xlink:type="locator"/>
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<link:label id="lab_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3_terseLabel_en-US" xlink:label="lab_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Payment </link:label>
<link:label id="lab_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3_label_en-US" xlink:label="lab_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Payment [Table] </link:label>
<link:label id="lab_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3_documentation_en-US" xlink:label="lab_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Schedule of information pertaining to income tax payments. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_IncomeTaxPaymentTable" xlink:label="loc_kar_IncomeTaxPaymentTable_3B08DDBF91667FEF81DD213B1E5D47C3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxAuthorityAxis_76B7AE510592BE47D4D3213B1E5E3EBD_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityAxis_76B7AE510592BE47D4D3213B1E5E3EBD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Authority </link:label>
<link:label id="lab_us-gaap_IncomeTaxAuthorityAxis_76B7AE510592BE47D4D3213B1E5E3EBD_label_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityAxis_76B7AE510592BE47D4D3213B1E5E3EBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Authority [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_76B7AE510592BE47D4D3213B1E5E3EBD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxAuthorityDomain_45578874362F92C76D40213B1E5ED82E_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityDomain_45578874362F92C76D40213B1E5ED82E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Authority </link:label>
<link:label id="lab_us-gaap_IncomeTaxAuthorityDomain_45578874362F92C76D40213B1E5ED82E_label_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityDomain_45578874362F92C76D40213B1E5ED82E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Authority [Domain] </link:label>
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<link:label id="lab_us-gaap_InternalRevenueServiceIRSMember_7D0C5D0DD384D73C9A46213B1E5FA90B_terseLabel_en-US" xlink:label="lab_us-gaap_InternalRevenueServiceIRSMember_7D0C5D0DD384D73C9A46213B1E5FA90B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Federal </link:label>
<link:label id="lab_us-gaap_InternalRevenueServiceIRSMember_7D0C5D0DD384D73C9A46213B1E5FA90B_label_en-US" xlink:label="lab_us-gaap_InternalRevenueServiceIRSMember_7D0C5D0DD384D73C9A46213B1E5FA90B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Internal Revenue Service (IRS) [Member] </link:label>
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<link:label id="lab_kar_StateJurisdictionAndForeignCountryMember_435254B4A092C60D5D02213B1E5F9F67_terseLabel_en-US" xlink:label="lab_kar_StateJurisdictionAndForeignCountryMember_435254B4A092C60D5D02213B1E5F9F67" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> State and foreign </link:label>
<link:label id="lab_kar_StateJurisdictionAndForeignCountryMember_435254B4A092C60D5D02213B1E5F9F67_label_en-US" xlink:label="lab_kar_StateJurisdictionAndForeignCountryMember_435254B4A092C60D5D02213B1E5F9F67" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> State Jurisdiction and Foreign Country [Member] </link:label>
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<link:label id="lab_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620_terseLabel_en-US" xlink:label="lab_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax payments </link:label>
<link:label id="lab_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620_label_en-US" xlink:label="lab_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Payment [Line Items] </link:label>
<link:label id="lab_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620_documentation_en-US" xlink:label="lab_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_IncomeTaxPaymentLineItems" xlink:label="loc_kar_IncomeTaxPaymentLineItems_D6BC6637F576F42449D8213B1E5F9620" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxesPaidNet_446AAE914B44B90AA80B213B1E5FB46C_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_446AAE914B44B90AA80B213B1E5FB46C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Income tax payments, net of income tax refunds </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_446AAE914B44B90AA80B213B1E5FB46C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_4CC6CB094876BB65779DB041A7C6F14C_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_4CC6CB094876BB65779DB041A7C6F14C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commitments and Contingencies Disclosure [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_4CC6CB094876BB65779DB041A7C6F14C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_61C0BE52CCD9C6022540B041A7C99B83_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_61C0BE52CCD9C6022540B041A7C99B83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liabilities for environmental matters </link:label>
<link:label id="lab_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_61C0BE52CCD9C6022540B041A7C99B83_label_en-US" xlink:label="lab_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_61C0BE52CCD9C6022540B041A7C99B83" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrued Environmental Loss Contingencies, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedEnvironmentalLossContingenciesCurrent" xlink:label="loc_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_61C0BE52CCD9C6022540B041A7C99B83" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_DE71C9B77990FB5014E6542C31A8E37F_verboseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_DE71C9B77990FB5014E6542C31A8E37F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Costs of services (exclusive of depreciation and amortization) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_DE71C9B77990FB5014E6542C31A8E37F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_22C223BFDEE80D3CCE1D542C31A91D15_verboseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_22C223BFDEE80D3CCE1D542C31A91D15" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Selling, general, and administrative expenses </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_22C223BFDEE80D3CCE1D542C31A91D15" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_258BD479F527B624DF57542C31AAD39E_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_258BD479F527B624DF57542C31AAD39E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income from continuing operations before income taxes </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_258BD479F527B624DF57542C31AAD39E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SeniorLongtermNotesCurrentAndNoncurrentAbstract_C396CD8B563D08B664DF3F686BEC5EC1_label_en-US" xlink:label="lab_us-gaap_SeniorLongtermNotesCurrentAndNoncurrentAbstract_C396CD8B563D08B664DF3F686BEC5EC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Notes [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeniorLongtermNotesCurrentAndNoncurrentAbstract" xlink:label="loc_us-gaap_SeniorLongtermNotesCurrentAndNoncurrentAbstract_C396CD8B563D08B664DF3F686BEC5EC1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeniorLongtermNotesCurrentAndNoncurrentAbstract_C396CD8B563D08B664DF3F686BEC5EC1" xlink:to="lab_us-gaap_SeniorLongtermNotesCurrentAndNoncurrentAbstract_C396CD8B563D08B664DF3F686BEC5EC1" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentFaceAmount_CFED4373D87A4520702A3F6FE3A33349_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_CFED4373D87A4520702A3F6FE3A33349" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Senior notes face amount </link:label>
<link:label id="lab_us-gaap_DebtInstrumentFaceAmount_CFED4373D87A4520702A3F6FE3A33349_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_CFED4373D87A4520702A3F6FE3A33349" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Face Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_CFED4373D87A4520702A3F6FE3A33349" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentFaceAmount_CFED4373D87A4520702A3F6FE3A33349" xlink:to="lab_us-gaap_DebtInstrumentFaceAmount_CFED4373D87A4520702A3F6FE3A33349" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentRedemptionPricePercentage_E3C587A62035EF9718BF3F686BEE360D_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPricePercentage_E3C587A62035EF9718BF3F686BEE360D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Senior notes redemption price (as a percent) </link:label>
<link:label id="lab_us-gaap_DebtInstrumentRedemptionPricePercentage_E3C587A62035EF9718BF3F686BEE360D_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPricePercentage_E3C587A62035EF9718BF3F686BEE360D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Redemption Price, Percentage </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_E3C587A62035EF9718BF3F686BEE360D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract_228A87C40961F64C2B783FF15A69BBA6_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract_228A87C40961F64C2B783FF15A69BBA6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income from continuing operations before income taxes: </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract_228A87C40961F64C2B783FF15A69BBA6_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract_228A87C40961F64C2B783FF15A69BBA6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract_228A87C40961F64C2B783FF15A69BBA6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_F045BF054AC5E89BB5B93FF15A6986FA_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_F045BF054AC5E89BB5B93FF15A6986FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Domestic </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_F045BF054AC5E89BB5B93FF15A6986FA_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_F045BF054AC5E89BB5B93FF15A6986FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations before Income Taxes, Domestic </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_F045BF054AC5E89BB5B93FF15A6986FA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_BDF59C1B580765DAC6223FF15A6A08EF_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_BDF59C1B580765DAC6223FF15A6A08EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_BDF59C1B580765DAC6223FF15A6A08EF_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_BDF59C1B580765DAC6223FF15A6A08EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations before Income Taxes, Foreign </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_BDF59C1B580765DAC6223FF15A6A08EF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract_4FFB15A506E50C31BED03FF15A6A677F_terseLabel_en-US" xlink:label="lab_us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract_4FFB15A506E50C31BED03FF15A6A677F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax expense (benefit): </link:label>
<link:label id="lab_us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract_4FFB15A506E50C31BED03FF15A6A677F_label_en-US" xlink:label="lab_us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract_4FFB15A506E50C31BED03FF15A6A677F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="loc_us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract_4FFB15A506E50C31BED03FF15A6A677F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_F5274B71B6B2E8F9081B3FF15A6AB732_terseLabel_en-US" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_F5274B71B6B2E8F9081B3FF15A6AB732" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current: </link:label>
<link:label id="lab_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_F5274B71B6B2E8F9081B3FF15A6AB732_label_en-US" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_F5274B71B6B2E8F9081B3FF15A6AB732" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Current Income Tax Expense (Benefit), Continuing Operations [Abstract] </link:label>
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<link:label id="lab_us-gaap_CurrentFederalTaxExpenseBenefit_8F2882BC20A3E7CBC2693FF15A6A0F61_terseLabel_en-US" xlink:label="lab_us-gaap_CurrentFederalTaxExpenseBenefit_8F2882BC20A3E7CBC2693FF15A6A0F61" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Federal </link:label>
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<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_601982579BA13E3D8AFD3FF15A6D09A8_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_601982579BA13E3D8AFD3FF15A6D09A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> International operations (as a percent) </link:label>
<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_601982579BA13E3D8AFD3FF15A6D09A8_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_601982579BA13E3D8AFD3FF15A6D09A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_601982579BA13E3D8AFD3FF15A6D09A8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_9D8688D9EE804A18AF853FF15A6DC5A1_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_9D8688D9EE804A18AF853FF15A6DC5A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation (as a percent) </link:label>
<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_9D8688D9EE804A18AF853FF15A6DC5A1_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_9D8688D9EE804A18AF853FF15A6DC5A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_9D8688D9EE804A18AF853FF15A6DC5A1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_E2D0A6C81C601795856F3FF15A6D60E1_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_E2D0A6C81C601795856F3FF15A6D60E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Impact of law and rate change (as a percent) </link:label>
<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_E2D0A6C81C601795856F3FF15A6D60E1_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_E2D0A6C81C601795856F3FF15A6D60E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_E2D0A6C81C601795856F3FF15A6D60E1" xlink:type="locator"/>
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<link:label id="lab_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A_terseLabel_en-US" xlink:label="lab_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Excess officer's compensation (as a percent) </link:label>
<link:label id="lab_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A_label_en-US" xlink:label="lab_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective income tax rate reconciliation excess officers compensation </link:label>
<link:label id="lab_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A_documentation_en-US" xlink:label="lab_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to excess officers compensation. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_Effectiveincometaxratereconciliationexcessofficerscompensation" xlink:label="loc_kar_Effectiveincometaxratereconciliationexcessofficerscompensation_1770D428D365258E67783FF15A6E312A" xlink:type="locator"/>
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<link:label id="lab_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8_terseLabel_en-US" xlink:label="lab_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Transaction costs (as a percent) </link:label>
<link:label id="lab_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8_label_en-US" xlink:label="lab_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective income tax rate reconciliation transaction costs </link:label>
<link:label id="lab_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8_documentation_en-US" xlink:label="lab_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to transaction costs. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_Effectiveincometaxratereconciliationtransactioncosts" xlink:label="loc_kar_Effectiveincometaxratereconciliationtransactioncosts_D4C037C6163206B03BDE3FF15A6EA4D8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_5CC7DA1DD126D39EB1C33FF15A6EE07B_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_5CC7DA1DD126D39EB1C33FF15A6EE07B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other, net (as a percent) </link:label>
<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_5CC7DA1DD126D39EB1C33FF15A6EE07B_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_5CC7DA1DD126D39EB1C33FF15A6EE07B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Other Adjustments, Percent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_5CC7DA1DD126D39EB1C33FF15A6EE07B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_5CC7DA1DD126D39EB1C33FF15A6EE07B" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_5CC7DA1DD126D39EB1C33FF15A6EE07B" xlink:type="arc"/>
<link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_D1C4B09CD19BA776209E3FF15A6E366B_totalLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_D1C4B09CD19BA776209E3FF15A6E366B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Effective rate (as a percent) </link:label>
<link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_D1C4B09CD19BA776209E3FF15A6E366B_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_D1C4B09CD19BA776209E3FF15A6E366B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Percent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_D1C4B09CD19BA776209E3FF15A6E366B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_D1C4B09CD19BA776209E3FF15A6E366B" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_D1C4B09CD19BA776209E3FF15A6E366B" xlink:type="arc"/>
<link:label id="lab_us-gaap_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefitAbstract_0F80950F1B62B8819FF33FF15A6E5BE1_label_en-US" xlink:label="lab_us-gaap_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefitAbstract_0F80950F1B62B8819FF33FF15A6E5BE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Cuts and Jobs Act, Income Tax Expense (Benefit) [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefitAbstract" xlink:label="loc_us-gaap_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefitAbstract_0F80950F1B62B8819FF33FF15A6E5BE1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefitAbstract_0F80950F1B62B8819FF33FF15A6E5BE1" xlink:to="lab_us-gaap_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefitAbstract_0F80950F1B62B8819FF33FF15A6E5BE1" xlink:type="arc"/>
<link:label id="lab_kar_FederalIncomeTaxStatutoryRate_4BB12A63D894C415C0403FF15A6E71D0_terseLabel_en-US" xlink:label="lab_kar_FederalIncomeTaxStatutoryRate_4BB12A63D894C415C0403FF15A6E71D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Federal corporate income tax rate (as a percent) </link:label>
<link:label id="lab_kar_FederalIncomeTaxStatutoryRate_4BB12A63D894C415C0403FF15A6E71D0_label_en-US" xlink:label="lab_kar_FederalIncomeTaxStatutoryRate_4BB12A63D894C415C0403FF15A6E71D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Federal Income Tax Statutory Rate </link:label>
<link:label id="lab_kar_FederalIncomeTaxStatutoryRate_4BB12A63D894C415C0403FF15A6E71D0_documentation_en-US" xlink:label="lab_kar_FederalIncomeTaxStatutoryRate_4BB12A63D894C415C0403FF15A6E71D0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Federal Income Tax Statutory Rate </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FederalIncomeTaxStatutoryRate" xlink:label="loc_kar_FederalIncomeTaxStatutoryRate_4BB12A63D894C415C0403FF15A6E71D0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FederalIncomeTaxStatutoryRate_4BB12A63D894C415C0403FF15A6E71D0" xlink:to="lab_kar_FederalIncomeTaxStatutoryRate_4BB12A63D894C415C0403FF15A6E71D0" xlink:type="arc"/>
<link:label id="lab_kar_SubsequentperiodFederalcorporateincometaxrate_1A8A3124507ECE405A723FF15A6FA44A_terseLabel_en-US" xlink:label="lab_kar_SubsequentperiodFederalcorporateincometaxrate_1A8A3124507ECE405A723FF15A6FA44A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent period Federal corporate income tax rate </link:label>
<link:label id="lab_kar_SubsequentperiodFederalcorporateincometaxrate_1A8A3124507ECE405A723FF15A6FA44A_label_en-US" xlink:label="lab_kar_SubsequentperiodFederalcorporateincometaxrate_1A8A3124507ECE405A723FF15A6FA44A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent period Federal corporate income tax rate </link:label>
<link:label id="lab_kar_SubsequentperiodFederalcorporateincometaxrate_1A8A3124507ECE405A723FF15A6FA44A_documentation_en-US" xlink:label="lab_kar_SubsequentperiodFederalcorporateincometaxrate_1A8A3124507ECE405A723FF15A6FA44A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Subsequent period Federal corporate income tax rate </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_SubsequentperiodFederalcorporateincometaxrate" xlink:label="loc_kar_SubsequentperiodFederalcorporateincometaxrate_1A8A3124507ECE405A723FF15A6FA44A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_E931736EBBD439917E413FF15A6FE73D_terseLabel_en-US" xlink:label="lab_us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_E931736EBBD439917E413FF15A6FE73D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Remeasurement of deferred income tax benefit </link:label>
<link:label id="lab_us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_E931736EBBD439917E413FF15A6FE73D_label_en-US" xlink:label="lab_us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_E931736EBBD439917E413FF15A6FE73D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Cuts and Jobs Act, Change in Tax Rate, Deferred Tax Liability, Income Tax Benefit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit" xlink:label="loc_us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_E931736EBBD439917E413FF15A6FE73D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherTaxExpenseBenefit_759A9E128E57F9526A903FF15A6FE2AB_terseLabel_en-US" xlink:label="lab_us-gaap_OtherTaxExpenseBenefit_759A9E128E57F9526A903FF15A6FE2AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deemed repatriation tax expense </link:label>
<link:label id="lab_us-gaap_OtherTaxExpenseBenefit_759A9E128E57F9526A903FF15A6FE2AB_label_en-US" xlink:label="lab_us-gaap_OtherTaxExpenseBenefit_759A9E128E57F9526A903FF15A6FE2AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Tax Expense (Benefit) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherTaxExpenseBenefit" xlink:label="loc_us-gaap_OtherTaxExpenseBenefit_759A9E128E57F9526A903FF15A6FE2AB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherTaxExpenseBenefit_759A9E128E57F9526A903FF15A6FE2AB" xlink:to="lab_us-gaap_OtherTaxExpenseBenefit_759A9E128E57F9526A903FF15A6FE2AB" xlink:type="arc"/>
<link:label id="lab_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_83A1B2EF9A2A6A63BE793FF15A6FD296_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_83A1B2EF9A2A6A63BE793FF15A6FD296" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reversal of tax reserves amount for uncertain tax positions due to statute of limitations expiration </link:label>
<link:label id="lab_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_83A1B2EF9A2A6A63BE793FF15A6FD296_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_83A1B2EF9A2A6A63BE793FF15A6FD296" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_83A1B2EF9A2A6A63BE793FF15A6FD296" xlink:type="locator"/>
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<link:label id="lab_kar_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccountsAndProvisionForLoanLosses_18EAB89AE7D4AC06AD693FF15A7072F2_documentation_en-US" xlink:label="lab_kar_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccountsAndProvisionForLoanLosses_18EAB89AE7D4AC06AD693FF15A7072F2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts and provision for loan losses. </link:label>
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<link:label id="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_48C741378ABB99E016393FF15A709FF1_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_48C741378ABB99E016393FF15A709FF1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee benefits and compensation </link:label>
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<link:label id="lab_us-gaap_DeferredTaxLiabilitiesInvestments_1BF974FB88506E1046CD3FF15A726394_negatedLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesInvestments_1BF974FB88506E1046CD3FF15A726394" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Investment basis difference liability </link:label>
<link:label id="lab_us-gaap_DeferredTaxLiabilitiesInvestments_1BF974FB88506E1046CD3FF15A726394_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesInvestments_1BF974FB88506E1046CD3FF15A726394" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liabilities, Investments </link:label>
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<link:label id="lab_kar_DeferredTaxAssetRightofUseLeaseLiability_6A825A0339E2FEC71AD03FF15A725F72_terseLabel_en-US" xlink:label="lab_kar_DeferredTaxAssetRightofUseLeaseLiability_6A825A0339E2FEC71AD03FF15A725F72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Right of use lease liability </link:label>
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<link:label id="lab_us-gaap_DeferredTaxAssetsOther_8C98EC34DA33E0BB95B33FF15A7226D8_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsOther_8C98EC34DA33E0BB95B33FF15A7226D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Other </link:label>
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<link:label id="lab_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_D1DF50B74B5C638C92363FF15A73DF22_negatedLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_D1DF50B74B5C638C92363FF15A73DF22" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Goodwill and intangible assets </link:label>
<link:label id="lab_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_D1DF50B74B5C638C92363FF15A73DF22_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_D1DF50B74B5C638C92363FF15A73DF22" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liabilities, Goodwill and Intangible Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_D1DF50B74B5C638C92363FF15A73DF22" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_D1DF50B74B5C638C92363FF15A73DF22" xlink:to="lab_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_D1DF50B74B5C638C92363FF15A73DF22" xlink:type="arc"/>
<link:label id="lab_kar_DeferredTaxLiabilityRightofUseLeaseAsset_CF6898B7ACDB69866E8B3FF15A74E569_negatedTerseLabel_en-US" xlink:label="lab_kar_DeferredTaxLiabilityRightofUseLeaseAsset_CF6898B7ACDB69866E8B3FF15A74E569" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Right of use lease asset </link:label>
<link:label id="lab_kar_DeferredTaxLiabilityRightofUseLeaseAsset_CF6898B7ACDB69866E8B3FF15A74E569_label_en-US" xlink:label="lab_kar_DeferredTaxLiabilityRightofUseLeaseAsset_CF6898B7ACDB69866E8B3FF15A74E569" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liability Right of Use Lease Asset </link:label>
<link:label id="lab_kar_DeferredTaxLiabilityRightofUseLeaseAsset_CF6898B7ACDB69866E8B3FF15A74E569_documentation_en-US" xlink:label="lab_kar_DeferredTaxLiabilityRightofUseLeaseAsset_CF6898B7ACDB69866E8B3FF15A74E569" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liability Right of Use Lease Asset </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_DeferredTaxLiabilityRightofUseLeaseAsset" xlink:label="loc_kar_DeferredTaxLiabilityRightofUseLeaseAsset_CF6898B7ACDB69866E8B3FF15A74E569" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DeferredTaxLiabilityRightofUseLeaseAsset_CF6898B7ACDB69866E8B3FF15A74E569" xlink:to="lab_kar_DeferredTaxLiabilityRightofUseLeaseAsset_CF6898B7ACDB69866E8B3FF15A74E569" xlink:type="arc"/>
<link:label id="lab_us-gaap_DeferredTaxLiabilitiesOther_D636BD8C108587926B4F3FF15A7471B4_negatedLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesOther_D636BD8C108587926B4F3FF15A7471B4" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>
<link:label id="lab_us-gaap_DeferredTaxLiabilitiesOther_D636BD8C108587926B4F3FF15A7471B4_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesOther_D636BD8C108587926B4F3FF15A7471B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liabilities, Other </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_D636BD8C108587926B4F3FF15A7471B4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesOther_D636BD8C108587926B4F3FF15A7471B4" xlink:to="lab_us-gaap_DeferredTaxLiabilitiesOther_D636BD8C108587926B4F3FF15A7471B4" xlink:type="arc"/>
<link:label id="lab_us-gaap_DeferredIncomeTaxLiabilities_C9AEE884D97F912E77533FF15A74E092_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilities_C9AEE884D97F912E77533FF15A74E092" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>
<link:label id="lab_us-gaap_DeferredIncomeTaxLiabilities_C9AEE884D97F912E77533FF15A74E092_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilities_C9AEE884D97F912E77533FF15A74E092" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liabilities, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_C9AEE884D97F912E77533FF15A74E092" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_C9AEE884D97F912E77533FF15A74E092" xlink:to="lab_us-gaap_DeferredIncomeTaxLiabilities_C9AEE884D97F912E77533FF15A74E092" xlink:type="arc"/>
<link:label id="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet_B36AA13CA00DED1705AE3FF15A741190_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet_B36AA13CA00DED1705AE3FF15A741190" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US"> Net deferred tax liabilities </link:label>
<link:label id="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet_B36AA13CA00DED1705AE3FF15A741190_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet_B36AA13CA00DED1705AE3FF15A741190" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Income Tax Liabilities, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_B36AA13CA00DED1705AE3FF15A741190" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_B36AA13CA00DED1705AE3FF15A741190" xlink:to="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet_B36AA13CA00DED1705AE3FF15A741190" xlink:type="arc"/>
<link:label id="lab_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF_terseLabel_en-US" xlink:label="lab_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gross tax benefit from state and federal net operating loss carryforwards expire </link:label>
<link:label id="lab_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF_label_en-US" xlink:label="lab_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Loss Carryforward Expiration [Abstract] </link:label>
<link:label id="lab_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF_documentation_en-US" xlink:label="lab_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_OperatingLossCarryforwardExpirationAbstract" xlink:label="loc_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF" xlink:to="lab_kar_OperatingLossCarryforwardExpirationAbstract_08C3EFF85CE9DB5F63143FF15A7410FF" xlink:type="arc"/>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA_terseLabel_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA_label_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Tax Benefit Operating Loss Carryforwards Expiration in Next Twelve Months </link:label>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA_documentation_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of gross tax benefits from operating loss carryforwards expiring in the next twelve months following the latest fiscal year. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths" xlink:label="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA" xlink:to="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInNextTwelveMonths_F4A1E56D24A522CF70973FF15A746FCA" xlink:type="arc"/>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1_terseLabel_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1_label_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Tax Benefit Operating Loss Carryforwards Expiration in Two Years </link:label>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1_documentation_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of gross tax benefits from operating loss carryforwards expiring in the second fiscal year following the latest fiscal year. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears" xlink:label="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1" xlink:to="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInTwoYears_81558D4E7F8B853F99A83FF15A7523F1" xlink:type="arc"/>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D_terseLabel_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D_label_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Tax Benefit Operating Loss Carryforwards Expiration in Three Years </link:label>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D_documentation_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of gross tax benefits from operating loss carryforwards expiring in the third fiscal year following the latest fiscal year. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears" xlink:label="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D" xlink:to="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInThreeYears_76F6F5B1EF30825715313FF15A75A03D" xlink:type="arc"/>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558_terseLabel_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558_label_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Tax Benefit Operating Loss Carryforwards Expiration in Four Years </link:label>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558_documentation_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of gross tax benefits from operating loss carryforwards expiring in the fourth fiscal year following the latest fiscal year. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears" xlink:label="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558" xlink:to="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFourYears_A4879536B07A69B6875F3FF15A752558" xlink:type="arc"/>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02_terseLabel_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02_label_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Tax Benefit Operating Loss Carryforwards Expiration in Five Years </link:label>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02_documentation_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of gross tax benefits from operating loss carryforwards expiring in the fifth fiscal year following the latest fiscal year. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears" xlink:label="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02" xlink:to="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationInFiveYears_7F795D42221CC93FBF8B3FF15A752E02" xlink:type="arc"/>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B_terseLabel_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2025 to 2039 </link:label>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B_label_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Tax Benefit Operating Loss Carryforwards Expiration Thereafter </link:label>
<link:label id="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B_documentation_en-US" xlink:label="lab_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of gross tax benefits from operating loss carryforwards expiring after the fifth fiscal year following the latest fiscal year. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter" xlink:label="loc_kar_GrossTaxBenefitOperatingLossCarryforwardsExpirationThereafter_67355F610E1E753DD2113FF15A75E81B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_EBBFDB8D9BDDCAD249B9213B1E583994_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_EBBFDB8D9BDDCAD249B9213B1E583994" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unrecognized Tax Benefits that Would Impact Effective Tax Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_EBBFDB8D9BDDCAD249B9213B1E583994" xlink:type="locator"/>
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<link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_7D47FC241A4A2A82A003213B1E585A56_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_7D47FC241A4A2A82A003213B1E585A56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reserves, associated with interest and penalties, net of tax </link:label>
<link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_7D47FC241A4A2A82A003213B1E585A56_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_7D47FC241A4A2A82A003213B1E585A56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_7D47FC241A4A2A82A003213B1E585A56" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_35AF0FCF0A314CA5B831402681C5A554_terseLabel_en-US" xlink:label="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_35AF0FCF0A314CA5B831402681C5A554" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type </link:label>
<link:label id="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_35AF0FCF0A314CA5B831402681C5A554_label_en-US" xlink:label="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_35AF0FCF0A314CA5B831402681C5A554" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_35AF0FCF0A314CA5B831402681C5A554" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherAssetsMember_B7152010DFF8D1E4C4AD402681CB504F_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsMember_B7152010DFF8D1E4C4AD402681CB504F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Assets </link:label>
<link:label id="lab_us-gaap_OtherAssetsMember_B7152010DFF8D1E4C4AD402681CB504F_label_en-US" xlink:label="lab_us-gaap_OtherAssetsMember_B7152010DFF8D1E4C4AD402681CB504F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_B7152010DFF8D1E4C4AD402681CB504F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsMember_B7152010DFF8D1E4C4AD402681CB504F" xlink:to="lab_us-gaap_OtherAssetsMember_B7152010DFF8D1E4C4AD402681CB504F" xlink:type="arc"/>
<link:label id="lab_us-gaap_HedgingDesignationAxis_2590AB4E32B9DA074745402681CB3FA7_terseLabel_en-US" xlink:label="lab_us-gaap_HedgingDesignationAxis_2590AB4E32B9DA074745402681CB3FA7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Hedging Designation </link:label>
<link:label id="lab_us-gaap_HedgingDesignationAxis_2590AB4E32B9DA074745402681CB3FA7_label_en-US" xlink:label="lab_us-gaap_HedgingDesignationAxis_2590AB4E32B9DA074745402681CB3FA7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Hedging Designation [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_2590AB4E32B9DA074745402681CB3FA7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A_terseLabel_en-US" xlink:label="lab_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Hedging Designation </link:label>
<link:label id="lab_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A_label_en-US" xlink:label="lab_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Hedging Designation [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A" xlink:to="lab_us-gaap_HedgingDesignationDomain_BED4E7BAE7477A2659A4402681CB592A" xlink:type="arc"/>
<link:label id="lab_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA_terseLabel_en-US" xlink:label="lab_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Not designated as hedging instrument </link:label>
<link:label id="lab_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA_label_en-US" xlink:label="lab_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Not Designated as Hedging Instrument, Economic Hedge [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember" xlink:label="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA" xlink:to="lab_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_CE9E32A45E06C976D243402681CB88FA" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Instrument Risk </link:label>
<link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Instrument [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706" xlink:to="lab_us-gaap_DerivativeInstrumentRiskAxis_6717A4C9FB2441EE878A402681CC7706" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative, Name </link:label>
<link:label id="lab_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0_label_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Contract [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0" xlink:to="lab_us-gaap_DerivativeContractTypeDomain_258EA9300E7B2BA3DB37402681CCCDA0" xlink:type="arc"/>
<link:label id="lab_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524_terseLabel_en-US" xlink:label="lab_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> August 2017 interest rate cap </link:label>
<link:label id="lab_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524_label_en-US" xlink:label="lab_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> August 2017 Interest Rate Cap [Member] </link:label>
<link:label id="lab_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524_documentation_en-US" xlink:label="lab_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> August 2017 Interest Rate Cap </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_August2017InterestRateCapMember" xlink:label="loc_kar_August2017InterestRateCapMember_89E4811EB5C82076839D402681CC7524" xlink:type="locator"/>
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<link:label id="lab_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1_terseLabel_en-US" xlink:label="lab_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> March 2017 interest rate cap </link:label>
<link:label id="lab_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1_label_en-US" xlink:label="lab_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> March 2017 Interest Rate Cap [Member] </link:label>
<link:label id="lab_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1_documentation_en-US" xlink:label="lab_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> March 2017 Interest Rate Cap </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_March2017InterestRateCapMember" xlink:label="loc_kar_March2017InterestRateCapMember_A868B17C7CC15C3A2C31402681CD3DD1" xlink:type="locator"/>
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<link:label id="lab_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F_terseLabel_en-US" xlink:label="lab_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> March and August 2017 interest rate caps </link:label>
<link:label id="lab_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F_label_en-US" xlink:label="lab_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> March and August 2017 Interest Rate Caps [Member] </link:label>
<link:label id="lab_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F_documentation_en-US" xlink:label="lab_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> March and August 2017 Interest Rate Caps </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_MarchandAugust2017InterestRateCapsMember" xlink:label="loc_kar_MarchandAugust2017InterestRateCapsMember_0616F7811AC8C2C1A81A402681CDEE1F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DerivativesFairValueLineItems_C0BEC101488212D87D61402681CD49F8_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesFairValueLineItems_C0BEC101488212D87D61402681CD49F8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value of the entity's interest rate derivatives included in the consolidated balance sheet </link:label>
<link:label id="lab_us-gaap_DerivativesFairValueLineItems_C0BEC101488212D87D61402681CD49F8_label_en-US" xlink:label="lab_us-gaap_DerivativesFairValueLineItems_C0BEC101488212D87D61402681CD49F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivatives, Fair Value [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_C0BEC101488212D87D61402681CD49F8" xlink:type="locator"/>
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<link:label id="lab_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E_terseLabel_en-US" xlink:label="lab_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of derivative agreements purchased </link:label>
<link:label id="lab_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E_label_en-US" xlink:label="lab_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Number of Instruments Purchased </link:label>
<link:label id="lab_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E_documentation_en-US" xlink:label="lab_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The number of derivative instruments of a particular group purchased by the entity. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_DerivativeNumberofInstrumentsPurchased" xlink:label="loc_kar_DerivativeNumberofInstrumentsPurchased_991587216C420DC38E51402681CE0A1E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate notional amount </link:label>
<link:label id="lab_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625_label_en-US" xlink:label="lab_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative, Notional Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeNotionalAmount" xlink:label="loc_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625" xlink:to="lab_us-gaap_DerivativeNotionalAmount_1B2C3115375135637C17402681CE6625" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Floor rate (as a percent) </link:label>
<link:label id="lab_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE_label_en-US" xlink:label="lab_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative, Cap Interest Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeCapInterestRate" xlink:label="loc_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE" xlink:to="lab_us-gaap_DerivativeCapInterestRate_577D68ADD1D03071201D402681CE7CAE" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_688FBAC4C2250BB07787402681CE780C_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_688FBAC4C2250BB07787402681CE780C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate amount paid for interest rate caps </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDerivativeIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDerivativeIssuanceCosts_688FBAC4C2250BB07787402681CE780C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDerivativeIssuanceCosts_688FBAC4C2250BB07787402681CE780C" xlink:to="lab_us-gaap_PaymentsOfDerivativeIssuanceCosts_688FBAC4C2250BB07787402681CE780C" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative asset, fair value, gross asset </link:label>
<link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4_label_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Asset, Fair Value, Gross Asset </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4" xlink:to="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_C49F88071779E8968D5A402681CF85C4" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B_terseLabel_en-US" xlink:label="lab_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program </link:label>
<link:label id="lab_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B_label_en-US" xlink:label="lab_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B" xlink:to="lab_us-gaap_ShareRepurchaseProgramAxis_081A10D1B8077DA98990213B1FC8F30B" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1_terseLabel_en-US" xlink:label="lab_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program </link:label>
<link:label id="lab_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1_label_en-US" xlink:label="lab_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1" xlink:to="lab_us-gaap_ShareRepurchaseProgramDomain_190A179F57FEB43B9CFD213B1FC83CD1" xlink:type="arc"/>
<link:label id="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7_terseLabel_en-US" xlink:label="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> October 2019 Share Repurchase Program </link:label>
<link:label id="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7_label_en-US" xlink:label="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> October 2019 Share Repurchase Program [Member] </link:label>
<link:label id="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7_documentation_en-US" xlink:label="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> October 2019 share repurchase program. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_October2019ShareRepurchaseProgramMember" xlink:label="loc_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7" xlink:to="lab_kar_October2019ShareRepurchaseProgramMember_D3BDC14A3C869CB67840213B1FC8B5C7" xlink:type="arc"/>
<link:label id="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972_terseLabel_en-US" xlink:label="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> October 2016 Share Repurchase Authorization </link:label>
<link:label id="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972_label_en-US" xlink:label="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> October 2016 Share Repurchase Program [Member] </link:label>
<link:label id="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972_documentation_en-US" xlink:label="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> October 2016 Share Repurchase Program </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_October2016ShareRepurchaseProgramMember" xlink:label="loc_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972" xlink:to="lab_kar_October2016ShareRepurchaseProgramMember_CB9E53540914A806343F213B1FC8A972" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additional disclosures </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_794E836EF5ECCBA580CC213B1FC9D104" xlink:type="arc"/>
<link:label id="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchase program, authorized amount </link:label>
<link:label id="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B_label_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program, Authorized Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B" xlink:to="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_64B479BE0536760264B9213B1FC9B65B" xlink:type="arc"/>
<link:label id="lab_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchase program expiration date </link:label>
<link:label id="lab_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7_label_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program Expiration Date </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchaseProgramExpirationDate" xlink:label="loc_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7" xlink:to="lab_us-gaap_StockRepurchaseProgramExpirationDate_79A8E41379D60DD11B58213B1FC90AB7" xlink:type="arc"/>
<link:label id="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_E57BB39F11B47668AF02213B1FCA5020_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_E57BB39F11B47668AF02213B1FCA5020" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchased and retired during period (in shares) </link:label>
<link:label id="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_E57BB39F11B47668AF02213B1FCA5020_label_en-US" xlink:label="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_E57BB39F11B47668AF02213B1FCA5020" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchased and Retired During Period, Shares </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_E57BB39F11B47668AF02213B1FCA5020" xlink:type="locator"/>
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<link:label id="lab_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2_terseLabel_en-US" xlink:label="lab_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchased and retired weighted average price per share </link:label>
<link:label id="lab_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2_label_en-US" xlink:label="lab_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchased and Retired Weighted Average Price Per Share </link:label>
<link:label id="lab_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2_documentation_en-US" xlink:label="lab_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the weighted average price per share of common stock repurchased and retired. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_StockRepurchasedandRetiredWeightedAveragePricePerShare" xlink:label="loc_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_FB849250CBD41C90EAD0213B1FCAD0A2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_9A0AF9CF558E0C775845213B1E50C9E4_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_9A0AF9CF558E0C775845213B1E50C9E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee benefit plans </link:label>
<link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_9A0AF9CF558E0C775845213B1E50C9E4_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_9A0AF9CF558E0C775845213B1E50C9E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pension and Other Postretirement Benefits Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_9A0AF9CF558E0C775845213B1E50C9E4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_6D0D1B9957579FBD9EFF3EFAF0EE46A0_label_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract_6D0D1B9957579FBD9EFF3EFAF0EE46A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Stockholders' Equity [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_6D0D1B9957579FBD9EFF3EFAF0EE46A0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StatementEquityComponentsAxis_7E1E3052CE8594FCFED43EFAF0F4FEBC_terseLabel_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_7E1E3052CE8594FCFED43EFAF0F4FEBC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Components </link:label>
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<link:label id="lab_us-gaap_RetainedEarningsMember_AAE69716CC83A5A22A6A3EFAF0F515A4_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_AAE69716CC83A5A22A6A3EFAF0F515A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained Earnings [Member] </link:label>
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<link:label id="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_1FC8DBCB70C619DF28A23EFAF0F8609C_label_en-US" xlink:label="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_1FC8DBCB70C619DF28A23EFAF0F8609C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchased and Retired During Period, Value </link:label>
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<link:label id="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_23F53CFE571CB4F191C23EFAF0F92FB6_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_23F53CFE571CB4F191C23EFAF0F92FB6" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Repurchase and retirement of common stock (in shares) </link:label>
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<link:label id="lab_us-gaap_StockholdersEquityNoteSpinoffTransaction_59711D662CFEA2F352153EFAF0F98A82_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteSpinoffTransaction_59711D662CFEA2F352153EFAF0F98A82" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Distribution of IAA </link:label>
<link:label id="lab_us-gaap_StockholdersEquityNoteSpinoffTransaction_59711D662CFEA2F352153EFAF0F98A82_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteSpinoffTransaction_59711D662CFEA2F352153EFAF0F98A82" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Note, Spinoff Transaction </link:label>
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<link:label id="lab_us-gaap_DividendsShareBasedCompensation_95B015B6CF5851658BD63EFAF0F9C8E5_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DividendsShareBasedCompensation_95B015B6CF5851658BD63EFAF0F9C8E5" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Dividends earned under stock plans </link:label>
<link:label id="lab_us-gaap_DividendsShareBasedCompensation_95B015B6CF5851658BD63EFAF0F9C8E5_label_en-US" xlink:label="lab_us-gaap_DividendsShareBasedCompensation_95B015B6CF5851658BD63EFAF0F9C8E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividend, Share-based Payment Arrangement </link:label>
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<link:label id="lab_us-gaap_DividendsCommonStockCash_04B80D82C3938C6AA7663EFAF0F940DF_negatedLabel_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_04B80D82C3938C6AA7663EFAF0F940DF" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Cash dividends declared to stockholders </link:label>
<link:label id="lab_us-gaap_DividendsCommonStockCash_04B80D82C3938C6AA7663EFAF0F940DF_label_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_04B80D82C3938C6AA7663EFAF0F940DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends, Common Stock, Cash </link:label>
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<link:label id="lab_us-gaap_StockholdersEquity_F89256564829031661A83EFAF0F963EB_periodEndLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_F89256564829031661A83EFAF0F963EB" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Ending balance </link:label>
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<link:label id="lab_us-gaap_CommonStockSharesIssued_9A4DAF8F7621C2013EF43EFAF0FADAD9_periodEndLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_9A4DAF8F7621C2013EF43EFAF0FADAD9" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Ending balance (in shares) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_9A4DAF8F7621C2013EF43EFAF0FADAD9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_D9C5755860B43B4554011EB2C409346B_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_D9C5755860B43B4554011EB2C409346B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of property and equipment </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_D9C5755860B43B4554011EB2C409346B_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_D9C5755860B43B4554011EB2C409346B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_B2E9C705D3DF1A898BE89125BF91DA58_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_B2E9C705D3DF1A898BE89125BF91DA58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Taxes </link:label>
<link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_B2E9C705D3DF1A898BE89125BF91DA58_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_B2E9C705D3DF1A898BE89125BF91DA58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_B2E9C705D3DF1A898BE89125BF91DA58" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StatementClassOfStockAxis_5617E309A650BA5E75A6213B20A65AE0_terseLabel_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_5617E309A650BA5E75A6213B20A65AE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Class of Stock </link:label>
<link:label id="lab_us-gaap_StatementClassOfStockAxis_5617E309A650BA5E75A6213B20A65AE0_label_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_5617E309A650BA5E75A6213B20A65AE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Stock [Axis] </link:label>
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<link:label id="lab_us-gaap_ClassOfStockDomain_20A4FBCE576A28E9A5E2213B20A683F2_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_20A4FBCE576A28E9A5E2213B20A683F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Class of Stock </link:label>
<link:label id="lab_us-gaap_ClassOfStockDomain_20A4FBCE576A28E9A5E2213B20A683F2_label_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_20A4FBCE576A28E9A5E2213B20A683F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Stock [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_20A4FBCE576A28E9A5E2213B20A683F2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_ED427EA0DF21C074E039213B20A7C965_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_ED427EA0DF21C074E039213B20A7C965" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trade receivables, allowances (in dollars) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_ED427EA0DF21C074E039213B20A7C965" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_202B62FA4D2000EC93C8213B20A7BB99_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_202B62FA4D2000EC93C8213B20A7BB99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance receivables, allowances (in dollars) </link:label>
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<link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_F34E8AAA602556BDD36A213B20A869C0_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_F34E8AAA602556BDD36A213B20A869C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, par value (in dollars per share) </link:label>
<link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_F34E8AAA602556BDD36A213B20A869C0_label_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_F34E8AAA602556BDD36A213B20A869C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Par or Stated Value Per Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_F34E8AAA602556BDD36A213B20A869C0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PreferredStockSharesAuthorized_7039FE8A348ED70C7ECF213B20A85107_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_7039FE8A348ED70C7ECF213B20A85107" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, authorized shares </link:label>
<link:label id="lab_us-gaap_PreferredStockSharesAuthorized_7039FE8A348ED70C7ECF213B20A85107_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_7039FE8A348ED70C7ECF213B20A85107" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Shares Authorized </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_7039FE8A348ED70C7ECF213B20A85107" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PreferredStockSharesIssued_A5761947BF783E4C93BA213B20A8FF32_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_A5761947BF783E4C93BA213B20A8FF32" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, issued shares </link:label>
<link:label id="lab_us-gaap_PreferredStockSharesIssued_A5761947BF783E4C93BA213B20A8FF32_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_A5761947BF783E4C93BA213B20A8FF32" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Shares Issued </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_A5761947BF783E4C93BA213B20A8FF32" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockSharesAuthorized_6053FF7E6E0F956E579B213B20A99821_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_6053FF7E6E0F956E579B213B20A99821" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, authorized shares </link:label>
<link:label id="lab_us-gaap_CommonStockSharesAuthorized_6053FF7E6E0F956E579B213B20A99821_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_6053FF7E6E0F956E579B213B20A99821" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares Authorized </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_6053FF7E6E0F956E579B213B20A99821" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockSharesIssued_E419EC7D215D6E4ADF3C213B20A9B510_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_E419EC7D215D6E4ADF3C213B20A9B510" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, issued shares </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_E419EC7D215D6E4ADF3C213B20A9B510" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockSharesOutstanding_CA020A290826D3529B38213B20A9EB6B_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_CA020A290826D3529B38213B20A9EB6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, outstanding shares </link:label>
<link:label id="lab_us-gaap_CommonStockSharesOutstanding_CA020A290826D3529B38213B20A9EB6B_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_CA020A290826D3529B38213B20A9EB6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares, Outstanding </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_CA020A290826D3529B38213B20A9EB6B" xlink:type="locator"/>
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<link:label id="lab_kar_AcquisitionsandEquityMethodInvestmentsAbstract_EBE007AEBF8A174E2FE49125BD2AEE70_label_en-US" xlink:label="lab_kar_AcquisitionsandEquityMethodInvestmentsAbstract_EBE007AEBF8A174E2FE49125BD2AEE70" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Acquisitions and Equity Method Investments [Abstract] </link:label>
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<link:loc xlink:href="kar-20191231.xsd#kar_AcquisitionsandEquityMethodInvestmentsAbstract" xlink:label="loc_kar_AcquisitionsandEquityMethodInvestmentsAbstract_EBE007AEBF8A174E2FE49125BD2AEE70" xlink:type="locator"/>
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<link:label id="lab_kar_AcquisitionsandequitymethodinvestmentsTextBlock_8E0ED032001C8A93069C9125BD2A50FC_documentation_en-US" xlink:label="lab_kar_AcquisitionsandequitymethodinvestmentsTextBlock_8E0ED032001C8A93069C9125BD2A50FC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents entire disclosure for acquisitions and equity method investments </link:label>
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<link:label id="lab_kar_DocumentAndEntityInformationAbstract_552A24B84532301609801060BFA03C75_documentation_en-US" xlink:label="lab_kar_DocumentAndEntityInformationAbstract_552A24B84532301609801060BFA03C75" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> -- None. No documentation exists for this element. -- </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_DocumentAndEntityInformationAbstract" xlink:label="loc_kar_DocumentAndEntityInformationAbstract_552A24B84532301609801060BFA03C75" xlink:type="locator"/>
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<link:label id="lab_dei_EntityCentralIndexKey_CBDD458DF4C31238AEAD1060BFA335A8_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey_CBDD458DF4C31238AEAD1060BFA335A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity central index key </link:label>
<link:label id="lab_dei_EntityCentralIndexKey_CBDD458DF4C31238AEAD1060BFA335A8_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey_CBDD458DF4C31238AEAD1060BFA335A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Central Index Key </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_CBDD458DF4C31238AEAD1060BFA335A8" xlink:type="locator"/>
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<link:label id="lab_dei_CurrentFiscalYearEndDate_4C175634D0ED693EE7F91060BFA3316C_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_4C175634D0ED693EE7F91060BFA3316C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current fiscal year end date </link:label>
<link:label id="lab_dei_CurrentFiscalYearEndDate_4C175634D0ED693EE7F91060BFA3316C_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_4C175634D0ED693EE7F91060BFA3316C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Current Fiscal Year End Date </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_4C175634D0ED693EE7F91060BFA3316C" xlink:type="locator"/>
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<link:label id="lab_dei_DocumentFiscalYearFocus_72EFB3D435EDD9DAFF6E1060BFA3A91C_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_72EFB3D435EDD9DAFF6E1060BFA3A91C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document fiscal year focus </link:label>
<link:label id="lab_dei_DocumentFiscalYearFocus_72EFB3D435EDD9DAFF6E1060BFA3A91C_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_72EFB3D435EDD9DAFF6E1060BFA3A91C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Fiscal Year Focus </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_72EFB3D435EDD9DAFF6E1060BFA3A91C" xlink:type="locator"/>
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<link:label id="lab_dei_DocumentFiscalPeriodFocus_465B416BD28681CDFEF81060BFA31A2B_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_465B416BD28681CDFEF81060BFA31A2B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document fiscal period focus </link:label>
<link:label id="lab_dei_DocumentFiscalPeriodFocus_465B416BD28681CDFEF81060BFA31A2B_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_465B416BD28681CDFEF81060BFA31A2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Fiscal Period Focus </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_465B416BD28681CDFEF81060BFA31A2B" xlink:type="locator"/>
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<link:label id="lab_dei_AmendmentFlag_EFCDEC7F25BACEA8CB1B1060BFA4EABF_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag_EFCDEC7F25BACEA8CB1B1060BFA4EABF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amendment flag </link:label>
<link:label id="lab_dei_AmendmentFlag_EFCDEC7F25BACEA8CB1B1060BFA4EABF_label_en-US" xlink:label="lab_dei_AmendmentFlag_EFCDEC7F25BACEA8CB1B1060BFA4EABF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amendment Flag </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_EFCDEC7F25BACEA8CB1B1060BFA4EABF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_0B7A0BBDE862AE57C60A3EFAEF94D5B9_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_0B7A0BBDE862AE57C60A3EFAEF94D5B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations </link:label>
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<link:label id="lab_us-gaap_DisposalGroupClassificationAxis_2C59DD96D02E804DA7F23EFAEF95B109_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupClassificationAxis_2C59DD96D02E804DA7F23EFAEF95B109" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group Classification </link:label>
<link:label id="lab_us-gaap_DisposalGroupClassificationAxis_2C59DD96D02E804DA7F23EFAEF95B109_label_en-US" xlink:label="lab_us-gaap_DisposalGroupClassificationAxis_2C59DD96D02E804DA7F23EFAEF95B109" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Classification [Axis] </link:label>
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<link:label id="lab_us-gaap_DisposalGroupClassificationDomain_040F58AA01F8DBAE044E3EFAEF95CF95_label_en-US" xlink:label="lab_us-gaap_DisposalGroupClassificationDomain_040F58AA01F8DBAE044E3EFAEF95CF95" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Classification [Domain] </link:label>
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<link:label id="lab_us-gaap_IncomeStatementLocationAxis_3A21203E37C6BC6B9E2D3EFAEF9574D0_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis_3A21203E37C6BC6B9E2D3EFAEF9574D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Statement Location </link:label>
<link:label id="lab_us-gaap_IncomeStatementLocationAxis_3A21203E37C6BC6B9E2D3EFAEF9574D0_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis_3A21203E37C6BC6B9E2D3EFAEF9574D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement Location [Axis] </link:label>
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<link:label id="lab_us-gaap_IncomeStatementLocationDomain_5F64C5FF5CD9ED86C5AF3EFAEF95552D_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain_5F64C5FF5CD9ED86C5AF3EFAEF95552D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Statement Location </link:label>
<link:label id="lab_us-gaap_IncomeStatementLocationDomain_5F64C5FF5CD9ED86C5AF3EFAEF95552D_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain_5F64C5FF5CD9ED86C5AF3EFAEF95552D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement Location [Domain] </link:label>
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<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_56320B578E4DBA020F643EFAEF96999B_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_56320B578E4DBA020F643EFAEF96999B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations </link:label>
<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_56320B578E4DBA020F643EFAEF96999B_label_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_56320B578E4DBA020F643EFAEF96999B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] </link:label>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_3AB8D78E707D1BCAB3593EFAEF9653C2_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_3AB8D78E707D1BCAB3593EFAEF9653C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash distribution received from IAA </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_3AB8D78E707D1BCAB3593EFAEF9653C2_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_3AB8D78E707D1BCAB3593EFAEF9653C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Consideration </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_3AB8D78E707D1BCAB3593EFAEF9653C2" xlink:type="locator"/>
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<link:label id="lab_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7_terseLabel_en-US" xlink:label="lab_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Professional fees associated with spin-off </link:label>
<link:label id="lab_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7_label_en-US" xlink:label="lab_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Professional Fees Associated With Discontinued Operations </link:label>
<link:label id="lab_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7_documentation_en-US" xlink:label="lab_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Professional fees associated with discontinued operations. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ProfessionalFeesAssociatedWithDiscontinuedOperations" xlink:label="loc_kar_ProfessionalFeesAssociatedWithDiscontinuedOperations_EC11C2916B36286371E93EFAEF965DF7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract_1F2522694CA57FED9D363EFAEF96CF8E_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract_1F2522694CA57FED9D363EFAEF96CF8E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations - Results of Operations </link:label>
<link:label id="lab_us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract_1F2522694CA57FED9D363EFAEF96CF8E_label_en-US" xlink:label="lab_us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract_1F2522694CA57FED9D363EFAEF96CF8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationIncomeStatementDisclosuresAbstract_1F2522694CA57FED9D363EFAEF96CF8E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_A2C03D822FAFE6D077E03EFAEF96761B_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_A2C03D822FAFE6D077E03EFAEF96761B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating revenues </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_A2C03D822FAFE6D077E03EFAEF96761B_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_A2C03D822FAFE6D077E03EFAEF96761B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Revenue </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_A2C03D822FAFE6D077E03EFAEF96761B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_FB93552590316023B0653EFAEF97BA7A_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_FB93552590316023B0653EFAEF97BA7A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of services (exclusive of depreciation and amortization) </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_FB93552590316023B0653EFAEF97BA7A_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_FB93552590316023B0653EFAEF97BA7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Costs of Goods Sold </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_FB93552590316023B0653EFAEF97BA7A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_EEBF83DBCD88CCB2BC683EFAEF97B10F_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_EEBF83DBCD88CCB2BC683EFAEF97B10F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Selling, general and administrative </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_EEBF83DBCD88CCB2BC683EFAEF97B10F_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_EEBF83DBCD88CCB2BC683EFAEF97B10F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, General and Administrative Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_EEBF83DBCD88CCB2BC683EFAEF97B10F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DepreciationAndAmortizationDiscontinuedOperations_61CB9BE96F000A4E5E5D3EFAEF9774D5_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortizationDiscontinuedOperations_61CB9BE96F000A4E5E5D3EFAEF9774D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation and amortization </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DepreciationAndAmortizationDiscontinuedOperations" xlink:label="loc_us-gaap_DepreciationAndAmortizationDiscontinuedOperations_61CB9BE96F000A4E5E5D3EFAEF9774D5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_8CD160B17173DFCDA78F3EFAEF97E503_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_8CD160B17173DFCDA78F3EFAEF97E503" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total operating expenses </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_8CD160B17173DFCDA78F3EFAEF97E503_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_8CD160B17173DFCDA78F3EFAEF97E503" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Operating Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_8CD160B17173DFCDA78F3EFAEF97E503" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_A4A306259D97D080CC6C3EFAEF9749F7_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_A4A306259D97D080CC6C3EFAEF9749F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating profit </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_A4A306259D97D080CC6C3EFAEF9749F7_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_A4A306259D97D080CC6C3EFAEF9749F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Operating Income (Loss) </link:label>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_0C82491BA69D5D76BFD73EFAEF97657B_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_0C82491BA69D5D76BFD73EFAEF97657B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest expense </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_0C82491BA69D5D76BFD73EFAEF97657B_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_0C82491BA69D5D76BFD73EFAEF97657B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Interest Expense </link:label>
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<link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_5F0D1E0D3F5C3FF70FF53EFAEF98FB2B_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_5F0D1E0D3F5C3FF70FF53EFAEF98FB2B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income from discontinued operations before income taxes </link:label>
<link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_5F0D1E0D3F5C3FF70FF53EFAEF98FB2B_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_5F0D1E0D3F5C3FF70FF53EFAEF98FB2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax </link:label>
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<link:label id="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_375AA601DDF82068BE5D3EFAEF988A9D_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_375AA601DDF82068BE5D3EFAEF988A9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income taxes </link:label>
<link:label id="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_375AA601DDF82068BE5D3EFAEF988A9D_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_375AA601DDF82068BE5D3EFAEF988A9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operation, Tax Effect of Discontinued Operation </link:label>
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<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_67286BB4A68ACD5385143EFAEF987433_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_67286BB4A68ACD5385143EFAEF987433" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income from discontinued operations </link:label>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract_750943064ADC7DDF9F093EFAEF98DBE9_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract_750943064ADC7DDF9F093EFAEF98DBE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations - Major Classes of Assets and Liabilities </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract_750943064ADC7DDF9F093EFAEF98DBE9_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract_750943064ADC7DDF9F093EFAEF98DBE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract_750943064ADC7DDF9F093EFAEF98DBE9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_585744845C9F8F213AB23EFAEF98D312_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_585744845C9F8F213AB23EFAEF98D312" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_585744845C9F8F213AB23EFAEF98D312_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_585744845C9F8F213AB23EFAEF98D312" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_585744845C9F8F213AB23EFAEF98D312" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_CDF33386119A07068ADA3EFAEF99BD44_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_CDF33386119A07068ADA3EFAEF99BD44" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trade receivables, net </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_CDF33386119A07068ADA3EFAEF99BD44_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_CDF33386119A07068ADA3EFAEF99BD44" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_CDF33386119A07068ADA3EFAEF99BD44" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_F66640CA8A1AF497CCD53EFAEF9EB740_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_F66640CA8A1AF497CCD53EFAEF9EB740" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other current assets </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_F66640CA8A1AF497CCD53EFAEF9EB740_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_F66640CA8A1AF497CCD53EFAEF9EB740" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Assets, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_F66640CA8A1AF497CCD53EFAEF9EB740" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_713E40CA67D56B91887A3EFAEF9E9956_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_713E40CA67D56B91887A3EFAEF9E9956" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_713E40CA67D56B91887A3EFAEF9E9956_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_713E40CA67D56B91887A3EFAEF9E9956" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Goodwill </link:label>
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<link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF_terseLabel_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer relationships, net </link:label>
<link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF_label_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Customer Relationships Net </link:label>
<link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF_documentation_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Customer Relationships Net </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet" xlink:label="loc_kar_DisposalGroupIncludingDiscontinuedOperationCustomerRelationshipsNet_DF682BC66A58EE9CD3943EFAEF9F22AF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_AC2A21595A90485194C43EFAEF9F058A_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_AC2A21595A90485194C43EFAEF9F058A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other intangible assets, net </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_AC2A21595A90485194C43EFAEF9F058A_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_AC2A21595A90485194C43EFAEF9F058A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Intangible Assets </link:label>
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<link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700_terseLabel_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease right-of-use assets </link:label>
<link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700_label_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Operating Lease Right-of-Use-Assets </link:label>
<link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700_documentation_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Operating Lease Right-of-Use-Assets </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets" xlink:label="loc_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightofUseAssets_E107FEB0502703903E6D3EFAEF9F4700" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets_591A2E40DB94456794DC3EFAEF9F03B8_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets_591A2E40DB94456794DC3EFAEF9F03B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other assets </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets_591A2E40DB94456794DC3EFAEF9F03B8_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets_591A2E40DB94456794DC3EFAEF9F03B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Assets </link:label>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_B06042175B68165D48183EFAEF9F9377_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_B06042175B68165D48183EFAEF9F9377" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and equipment, net </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_B06042175B68165D48183EFAEF9F9377_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_B06042175B68165D48183EFAEF9F9377" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Property, Plant and Equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_B06042175B68165D48183EFAEF9F9377" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_6C75621F6532AFA91EE13EFAEF9FA904_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_6C75621F6532AFA91EE13EFAEF9FA904" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total assets, discontinued operations </link:label>
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<link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOtherAccruedExpenses_CAF1BC33E102EB2184403EFAEFA076F2_documentation_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOtherAccruedExpenses_CAF1BC33E102EB2184403EFAEFA076F2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Other Accrued Expenses </link:label>
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<link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationLongTermDebt_4C884B913F8E16740AE93EFAEFA07026_terseLabel_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationLongTermDebt_4C884B913F8E16740AE93EFAEFA07026" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities_E1CED8FFBAFA0810E8AF3EFAEFA0D0B5_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities_E1CED8FFBAFA0810E8AF3EFAEFA0D0B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income tax liabilities </link:label>
<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities_E1CED8FFBAFA0810E8AF3EFAEFA0D0B5_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities_E1CED8FFBAFA0810E8AF3EFAEFA0D0B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities </link:label>
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<link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability_5680C1BC67C2692508633EFAEFA0E785_terseLabel_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability_5680C1BC67C2692508633EFAEFA0E785" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease liabilities </link:label>
<link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability_5680C1BC67C2692508633EFAEFA0E785_label_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability_5680C1BC67C2692508633EFAEFA0E785" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Operating Lease Liability </link:label>
<link:label id="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability_5680C1BC67C2692508633EFAEFA0E785_documentation_en-US" xlink:label="lab_kar_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability_5680C1BC67C2692508633EFAEFA0E785" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Operating Lease Liability </link:label>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities_E5A51479440EC6835E3E3EFAEFA1D0C2_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities_E5A51479440EC6835E3E3EFAEFA1D0C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other liabilities </link:label>
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<link:label id="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_0AE366D36D259FB3D9893EFAEFA1DDF6_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_0AE366D36D259FB3D9893EFAEFA1DDF6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities, discontinued operations </link:label>
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<link:label id="lab_kar_SelfInsuranceAndRetainedLossReservesDisclosureTextBlock_2A5F2C5B6066F4E9A3B59125BC9EF708_terseLabel_en-US" xlink:label="lab_kar_SelfInsuranceAndRetainedLossReservesDisclosureTextBlock_2A5F2C5B6066F4E9A3B59125BC9EF708" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Self Insurance and Retained Loss Reserves </link:label>
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<link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_0B6DE3ACFE88A0FFF14A9125BD282738_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock_0B6DE3ACFE88A0FFF14A9125BD282738" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment Information </link:label>
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<link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_C727B2277BC2ECD948A93EFAEEEA3B13_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_C727B2277BC2ECD948A93EFAEEEA3B13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of computation of net income from continuing operations per share </link:label>
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<link:label id="lab_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_21CC57886507DADF95959125BDDC9C5E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_21CC57886507DADF95959125BDDC9C5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of components of income before income taxes </link:label>
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<link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568_terseLabel_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of equal annual installments </link:label>
<link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568_label_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Arrangement by Share Based Payment Award Number of Equal Annual Installments for Award Vesting </link:label>
<link:label id="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568_documentation_en-US" xlink:label="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the number of equal annual installments over which the awards vest, from date of grant. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting" xlink:label="loc_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568" xlink:to="lab_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_10DD53B777CB479ABB503EFAEF536568" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C426EDB191726528F3DE3EFAEF53BA1E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C426EDB191726528F3DE3EFAEF53BA1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of PRSUs and/or RSUs </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C426EDB191726528F3DE3EFAEF53BA1E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C426EDB191726528F3DE3EFAEF53BA1E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C426EDB191726528F3DE3EFAEF53BA1E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C426EDB191726528F3DE3EFAEF53BA1E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C426EDB191726528F3DE3EFAEF53BA1E" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A33894B5A2ED220CBDAF3EFAEF53F4F9_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A33894B5A2ED220CBDAF3EFAEF53F4F9" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> PRSUs and/or RSUs outstanding at the beginning of period (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A33894B5A2ED220CBDAF3EFAEF53F4F9_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A33894B5A2ED220CBDAF3EFAEF53F4F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A33894B5A2ED220CBDAF3EFAEF53F4F9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A33894B5A2ED220CBDAF3EFAEF53F4F9" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A33894B5A2ED220CBDAF3EFAEF53F4F9" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DD1320215BBF606BD6D63EFAEF5448D0_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DD1320215BBF606BD6D63EFAEF5448D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PRSUs and/or RSUs grants (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DD1320215BBF606BD6D63EFAEF5448D0_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DD1320215BBF606BD6D63EFAEF5448D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DD1320215BBF606BD6D63EFAEF5448D0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DD1320215BBF606BD6D63EFAEF5448D0" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DD1320215BBF606BD6D63EFAEF5448D0" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_4F8294CB234D5E3D84DC3EFAEF546406_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_4F8294CB234D5E3D84DC3EFAEF546406" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Vested (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_4F8294CB234D5E3D84DC3EFAEF546406_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_4F8294CB234D5E3D84DC3EFAEF546406" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_4F8294CB234D5E3D84DC3EFAEF546406" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_4F8294CB234D5E3D84DC3EFAEF546406" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_4F8294CB234D5E3D84DC3EFAEF546406" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_154B42A4BF63CAB5101F3EFAEF54FC98_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_154B42A4BF63CAB5101F3EFAEF54FC98" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Forfeited (in shares) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_154B42A4BF63CAB5101F3EFAEF54FC98_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_154B42A4BF63CAB5101F3EFAEF54FC98" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_154B42A4BF63CAB5101F3EFAEF54FC98" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_154B42A4BF63CAB5101F3EFAEF54FC98" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_154B42A4BF63CAB5101F3EFAEF54FC98" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3774FE16F62F6E33C3303EFAEF545DB7_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3774FE16F62F6E33C3303EFAEF545DB7" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> PRSUs and/or RSUs outstanding at the end of period (in shares) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3774FE16F62F6E33C3303EFAEF545DB7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3774FE16F62F6E33C3303EFAEF545DB7" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3774FE16F62F6E33C3303EFAEF545DB7" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Grant Date Fair Value </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_E9EE4CE6CCB1279A37D43EFAEF54318D" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2D28CFE0B3422CEFE3D03EFAEF544C48_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2D28CFE0B3422CEFE3D03EFAEF544C48" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PRSUs and/or RSUs outstanding weighted average grant date fair value </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2D28CFE0B3422CEFE3D03EFAEF544C48_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2D28CFE0B3422CEFE3D03EFAEF544C48" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2D28CFE0B3422CEFE3D03EFAEF544C48" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_D1BE05AB915C7A17132A3EFAEF55E9F6_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_D1BE05AB915C7A17132A3EFAEF55E9F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PRSUs and/or RSUs grant date fair value </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_D1BE05AB915C7A17132A3EFAEF55E9F6_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_D1BE05AB915C7A17132A3EFAEF55E9F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_D1BE05AB915C7A17132A3EFAEF55E9F6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_46D09540C06088B09F053EFAEF55392F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_46D09540C06088B09F053EFAEF55392F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested (in dollars per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_46D09540C06088B09F053EFAEF55392F_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_46D09540C06088B09F053EFAEF55392F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_46D09540C06088B09F053EFAEF55392F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_949784EEF1512D77653D3EFAEF550861_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_949784EEF1512D77653D3EFAEF550861" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Forfeited (in dollars per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_949784EEF1512D77653D3EFAEF550861_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_949784EEF1512D77653D3EFAEF550861" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_949784EEF1512D77653D3EFAEF550861" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_866D2544D3B04F065B02213B1F7FD290_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_866D2544D3B04F065B02213B1F7FD290" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Finite-Lived Intangible Assets </link:label>
<link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_866D2544D3B04F065B02213B1F7FD290_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_866D2544D3B04F065B02213B1F7FD290" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Finite-Lived Intangible Assets [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_866D2544D3B04F065B02213B1F7FD290" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_F8550FB3C51E0A91C990213B1F82C995_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_F8550FB3C51E0A91C990213B1F82C995" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of customer relationships </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_F8550FB3C51E0A91C990213B1F82C995_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_F8550FB3C51E0A91C990213B1F82C995" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_F8550FB3C51E0A91C990213B1F82C995" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_7510A2AB5DA5277BB211213B1F82BAE3_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_7510A2AB5DA5277BB211213B1F82BAE3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gross carrying amount </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_7510A2AB5DA5277BB211213B1F82BAE3_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_7510A2AB5DA5277BB211213B1F82BAE3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_7510A2AB5DA5277BB211213B1F82BAE3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_7C35F3F8EDD582A45185213B1F82D7E8_negatedLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_7C35F3F8EDD582A45185213B1F82D7E8" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Accumulated amortization </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_7C35F3F8EDD582A45185213B1F82D7E8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0313C46AE7A08EC4229B213B1F824CF9_totalLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_0313C46AE7A08EC4229B213B1F824CF9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Carrying value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0313C46AE7A08EC4229B213B1F824CF9" xlink:type="locator"/>
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<link:label id="lab_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53_terseLabel_en-US" xlink:label="lab_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> European Line of Credit </link:label>
<link:label id="lab_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53_label_en-US" xlink:label="lab_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> European Line of Credit [Member] </link:label>
<link:label id="lab_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53_documentation_en-US" xlink:label="lab_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> European Line of Credit. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_EuropeanLineofCreditMember" xlink:label="loc_kar_EuropeanLineofCreditMember_1179CF45B3B1D2FD96FD54D78F26AD53" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ForeignLineOfCreditMember_27EF7AD0C930040C33FB54D78F2874A5_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignLineOfCreditMember_27EF7AD0C930040C33FB54D78F2874A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign line of credit </link:label>
<link:label id="lab_us-gaap_ForeignLineOfCreditMember_27EF7AD0C930040C33FB54D78F2874A5_label_en-US" xlink:label="lab_us-gaap_ForeignLineOfCreditMember_27EF7AD0C930040C33FB54D78F2874A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Line of Credit [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignLineOfCreditMember" xlink:label="loc_us-gaap_ForeignLineOfCreditMember_27EF7AD0C930040C33FB54D78F2874A5" xlink:type="locator"/>
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<link:label id="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Euribor rate </link:label>
<link:label id="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290_label_en-US" xlink:label="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> DebtInstrumentEuriborRate [Member] </link:label>
<link:label id="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290_documentation_en-US" xlink:label="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Instrument Euribor Rate. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentEuriborRateMember" xlink:label="loc_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290" xlink:to="lab_kar_DebtInstrumentEuriborRateMember_222514489DA21E45977D54D78F293290" xlink:type="arc"/>
<link:label id="lab_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336_terseLabel_en-US" xlink:label="lab_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CAD Prime </link:label>
<link:label id="lab_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336_label_en-US" xlink:label="lab_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument Canadian Prime Rate [Member] </link:label>
<link:label id="lab_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336_documentation_en-US" xlink:label="lab_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the Canadian prime rate, which is used to calculate the variable interest rate of the debt instrument. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_DebtInstrumentCanadianPrimeRateMember" xlink:label="loc_kar_DebtInstrumentCanadianPrimeRateMember_E13D02A71FA2022B4F5454D78F29F336" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_0A45566C7982F23F17AF54D78F2922A7_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_0A45566C7982F23F17AF54D78F2922A7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Total debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_0A45566C7982F23F17AF54D78F2922A7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_0B7A04365A47ED3818FE54D78F2A94C4_negatedLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_0B7A04365A47ED3818FE54D78F2A94C4" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Unamortized debt issuance costs/discounts </link:label>
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<link:label id="lab_us-gaap_LongTermDebtCurrent_9FF2DB840D1778ABA53C54D78F2AF2CD_negatedLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_9FF2DB840D1778ABA53C54D78F2AF2CD" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Current portion of long-term debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_9FF2DB840D1778ABA53C54D78F2AF2CD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_981A9B770ED801C01FF554D78F2A45E5_terseLabel_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate_981A9B770ED801C01FF554D78F2A45E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average interest rate on debt (as a percent) </link:label>
<link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_981A9B770ED801C01FF554D78F2A45E5_label_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate_981A9B770ED801C01FF554D78F2A45E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt, Weighted Average Interest Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_981A9B770ED801C01FF554D78F2A45E5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebtByMaturityAbstract_9D7DD1C75D0D936554C554D78F2B85E6_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtByMaturityAbstract_9D7DD1C75D0D936554C554D78F2B85E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Future Principal Payments </link:label>
<link:label id="lab_us-gaap_LongTermDebtByMaturityAbstract_9D7DD1C75D0D936554C554D78F2B85E6_label_en-US" xlink:label="lab_us-gaap_LongTermDebtByMaturityAbstract_9D7DD1C75D0D936554C554D78F2B85E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Fiscal Year Maturity [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtByMaturityAbstract" xlink:label="loc_us-gaap_LongTermDebtByMaturityAbstract_9D7DD1C75D0D936554C554D78F2B85E6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_F2829A6183B9EE18BE1554D78F2B56CD" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Two </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C242DF576E5B6AB2CF7A54D78F2B26AB" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Three </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_A6A6699125219D786E7554D78F2B6552" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Four </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F1529287FEC4F2B890E054D78F2B1B59" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Five </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_B01D394556033A9609C954D78F2CC2D1" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter </link:label>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal after Year Five </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_F604F6B41A92A9EC8FB754D78F2CA416" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>
<link:label id="lab_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42" xlink:to="lab_us-gaap_LongTermDebt_CC497CEECC7AB6B4015C54D78F2C5D42" xlink:type="arc"/>
<link:label id="lab_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95_label_en-US" xlink:label="lab_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental cash flow information related to leases [Abstract] </link:label>
<link:label id="lab_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95_documentation_en-US" xlink:label="lab_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Supplemental cash flow information related to leases [Abstract] </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_SupplementalcashflowinformationrelatedtoleasesAbstract" xlink:label="loc_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95" xlink:to="lab_kar_SupplementalcashflowinformationrelatedtoleasesAbstract_186D5FCE5B77E0AE08CE3FF15AA36C95" xlink:type="arc"/>
<link:label id="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE_terseLabel_en-US" xlink:label="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash Paid For Amounts Included In Measurement Of Lease Liabilities </link:label>
<link:label id="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE_label_en-US" xlink:label="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Paid For Amounts Included In Measurement Of Lease Liabilities [Abstract] </link:label>
<link:label id="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE_documentation_en-US" xlink:label="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Cash Paid For Amounts Included In Measurement Of Lease Liabilities </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract" xlink:label="loc_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE" xlink:to="lab_kar_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_02E691A9BF7C62C34AAF3FF15AA331EE" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating cash flows related to operating leases </link:label>
<link:label id="lab_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37_label_en-US" xlink:label="lab_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Payments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasePayments" xlink:label="loc_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37" xlink:to="lab_us-gaap_OperatingLeasePayments_A4B478A570F05E6CD58B3FF15AA3BD37" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating cash flows related to finance leases </link:label>
<link:label id="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Interest Payment on Liability </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseInterestPaymentOnLiability" xlink:label="loc_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86" xlink:to="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_DDFEBFCD21740A6571CA3FF15AA4BD86" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Financing cash flows related to finance leases </link:label>
<link:label id="lab_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF_label_en-US" xlink:label="lab_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Principal Payments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeasePrincipalPayments" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF" xlink:to="lab_us-gaap_FinanceLeasePrincipalPayments_E9241AB1D9305563A2223FF15AA4C8CF" xlink:type="arc"/>
<link:label id="lab_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA_terseLabel_en-US" xlink:label="lab_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Right-Of-Use Assets Obtained In Exchange For Lease Obligations </link:label>
<link:label id="lab_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA_label_en-US" xlink:label="lab_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Right-Of-Use Assets Obtained In Exchange For Lease Obligations [Abstract] </link:label>
<link:label id="lab_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA_documentation_en-US" xlink:label="lab_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Right-Of-Use Assets Obtained In Exchange For Lease Obligations </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract" xlink:label="loc_kar_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract_5055A106A7B860B74EA53FF15AA447BA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_EADB3A698FB00C6AA1893FF15AA4A34A_terseLabel_en-US" xlink:label="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_EADB3A698FB00C6AA1893FF15AA4A34A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating leases </link:label>
<link:label id="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_EADB3A698FB00C6AA1893FF15AA4A34A_label_en-US" xlink:label="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_EADB3A698FB00C6AA1893FF15AA4A34A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Right-of-Use Asset Obtained in Exchange for Operating Lease Liability </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_EADB3A698FB00C6AA1893FF15AA4A34A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A_terseLabel_en-US" xlink:label="lab_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance leases </link:label>
<link:label id="lab_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A_label_en-US" xlink:label="lab_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Right-of-Use Asset Obtained in Exchange for Finance Lease Liability </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A" xlink:to="lab_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_80ED3D2613D425A7A6DF3FF15AA4E82A" xlink:type="arc"/>
<link:label id="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856_terseLabel_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance Receivables and Obligations Collateralized by Finance Receivables </link:label>
<link:label id="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856_label_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Transfers and Servicing of Financial Assets [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856" xlink:to="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_1106D61D20D9CBFC667D9125BD2DA856" xlink:type="arc"/>
<link:label id="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3_terseLabel_en-US" xlink:label="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CarsOnTheWeb </link:label>
<link:label id="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3_label_en-US" xlink:label="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> CarsOnTheWeb [Member] </link:label>
<link:label id="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3_documentation_en-US" xlink:label="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to CarsOnTheWeb </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_CarsOnTheWebMember" xlink:label="loc_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3" xlink:to="lab_kar_CarsOnTheWebMember_0C70FE0A2BB0847C62723F7612EAB9D3" xlink:type="arc"/>
<link:label id="lab_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C_terseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Repayments of assumed debt </link:label>
<link:label id="lab_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Assumed Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfAssumedDebt" xlink:label="loc_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C" xlink:to="lab_us-gaap_RepaymentsOfAssumedDebt_BDD5A14245E0C5F478F03F7612EE328C" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of long-term debt </link:label>
<link:label id="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2" xlink:to="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_613F3B62CD4F6C8A7ED69125BBD710A2" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of aggregate future principal payments on long-term debt </link:label>
<link:label id="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932_label_en-US" xlink:label="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Maturities of Long-term Debt [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932" xlink:to="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_A6E92CF5732DDA6EBA459125BBD8F932" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeStatementAbstract_2AB647F7A1E8D689F1AC4099C489F841_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_2AB647F7A1E8D689F1AC4099C489F841" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_2AB647F7A1E8D689F1AC4099C489F841" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementAbstract_2AB647F7A1E8D689F1AC4099C489F841" xlink:to="lab_us-gaap_IncomeStatementAbstract_2AB647F7A1E8D689F1AC4099C489F841" xlink:type="arc"/>
<link:label id="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11_terseLabel_en-US" xlink:label="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Auction fees and services revenue </link:label>
<link:label id="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11_label_en-US" xlink:label="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Auction Fees and Services Revenue </link:label>
<link:label id="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11_documentation_en-US" xlink:label="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Auction fees and services revenue. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_AuctionFeesandServicesRevenue" xlink:label="loc_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11" xlink:to="lab_kar_AuctionFeesandServicesRevenue_8F552A5ACF8634C29C8B4099C48AAB11" xlink:type="arc"/>
<link:label id="lab_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0_terseLabel_en-US" xlink:label="lab_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchased vehicle sales </link:label>
<link:label id="lab_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0_label_en-US" xlink:label="lab_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchased Vehicle Sales </link:label>
<link:label id="lab_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0_documentation_en-US" xlink:label="lab_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Purchased vehicle sales </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_PurchasedVehicleSales" xlink:label="loc_kar_PurchasedVehicleSales_B21E7F3FE93D28F659374099C48B71F0" xlink:type="locator"/>
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<link:label id="lab_kar_FinancerelatedRevenue_887468A096BB104733194099C48BAE5B_terseLabel_en-US" xlink:label="lab_kar_FinancerelatedRevenue_887468A096BB104733194099C48BAE5B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance-related revenue </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FinancerelatedRevenue" xlink:label="loc_kar_FinancerelatedRevenue_887468A096BB104733194099C48BAE5B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FinancerelatedRevenue_887468A096BB104733194099C48BAE5B" xlink:to="lab_kar_FinancerelatedRevenue_887468A096BB104733194099C48BAE5B" xlink:type="arc"/>
<link:label id="lab_us-gaap_Revenues_59D49FF3E23D4D3C65DC4099C48B743C_totalLabel_en-US" xlink:label="lab_us-gaap_Revenues_59D49FF3E23D4D3C65DC4099C48B743C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total operating revenues </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_59D49FF3E23D4D3C65DC4099C48B743C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CostsAndExpenses_3D13C37AFEAEA2864CEF4099C48C235B_totalLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpenses_3D13C37AFEAEA2864CEF4099C48C235B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total operating expenses </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_3D13C37AFEAEA2864CEF4099C48C235B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingIncomeLoss_E8DF14DC6C9C538FED344099C48CE682_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_E8DF14DC6C9C538FED344099C48CE682" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Operating profit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_E8DF14DC6C9C538FED344099C48CE682" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_4AB14CB37B4EA92C17A34099C48DC5CD_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_4AB14CB37B4EA92C17A34099C48DC5CD" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Other income, net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_4AB14CB37B4EA92C17A34099C48DC5CD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_8839A7906233E45D9EFB4099C48E097F_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_8839A7906233E45D9EFB4099C48E097F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income from continuing operations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_8839A7906233E45D9EFB4099C48E097F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_5EC99EA16A19C0A819D14099C48EE742_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_5EC99EA16A19C0A819D14099C48EE742" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Income from discontinued operations, net of income taxes </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_5EC99EA16A19C0A819D14099C48EE742" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_5FC35D3EC70F8D76CDBB9125BCC734FF_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_5FC35D3EC70F8D76CDBB9125BCC734FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of customer relationships </link:label>
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<link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_7199CFD41DFD0A31BDBC54AE2759BCEE_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_7199CFD41DFD0A31BDBC54AE2759BCEE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Principles of Consolidation </link:label>
<link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_7199CFD41DFD0A31BDBC54AE2759BCEE_label_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_7199CFD41DFD0A31BDBC54AE2759BCEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation, Policy [Policy Text Block] </link:label>
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<link:label id="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_FC85B201ABCEA3BB8DB154AE27597276_terseLabel_en-US" xlink:label="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_FC85B201ABCEA3BB8DB154AE27597276" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reclassifications </link:label>
<link:label id="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_FC85B201ABCEA3BB8DB154AE27597276_label_en-US" xlink:label="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_FC85B201ABCEA3BB8DB154AE27597276" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reclassification, Policy [Policy Text Block] </link:label>
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<link:label id="lab_us-gaap_UseOfEstimates_F11DCEE93FBE2388703554AE27592A3A_terseLabel_en-US" xlink:label="lab_us-gaap_UseOfEstimates_F11DCEE93FBE2388703554AE27592A3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Use of Estimates </link:label>
<link:label id="lab_us-gaap_UseOfEstimates_F11DCEE93FBE2388703554AE27592A3A_label_en-US" xlink:label="lab_us-gaap_UseOfEstimates_F11DCEE93FBE2388703554AE27592A3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Use of Estimates, Policy [Policy Text Block] </link:label>
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<link:label id="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_8A87BE6817E61258E35254AE275A0419_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_8A87BE6817E61258E35254AE275A0419" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Segments </link:label>
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<link:label id="lab_us-gaap_DerivativesPolicyTextBlock_4F66E8C5FD2229F8110654AE275AD28E_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock_4F66E8C5FD2229F8110654AE275AD28E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Instruments and Hedging Activity </link:label>
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<link:label id="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571_terseLabel_en-US" xlink:label="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Current Assets </link:label>
<link:label id="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571_label_en-US" xlink:label="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Current Assets [Policy Text Block] </link:label>
<link:label id="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571_documentation_en-US" xlink:label="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for other current assets. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_OtherCurrentAssetsPolicyTextBlock" xlink:label="loc_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571" xlink:to="lab_kar_OtherCurrentAssetsPolicyTextBlock_FE844FD8E327FA5DD33854AE275BF571" xlink:type="arc"/>
<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_03017B4CE85F869539BF54AE27618258" xlink:type="arc"/>
<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer Relationships and Other Intangible Assets </link:label>
<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_87AF884CB0D94412D10B54AE27616663" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and Equipment </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_637E962F1D40AC6FBBDF54AE27614A75" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420_terseLabel_en-US" xlink:label="lab_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unamortized Debt Issuance Costs </link:label>
<link:label id="lab_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420_label_en-US" xlink:label="lab_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtPolicyTextBlock" xlink:label="loc_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420" xlink:to="lab_us-gaap_DebtPolicyTextBlock_FE8A12999F18F156758554AE27611420" xlink:type="arc"/>
<link:label id="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E_terseLabel_en-US" xlink:label="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Assets </link:label>
<link:label id="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E_label_en-US" xlink:label="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets [Policy Text Block] </link:label>
<link:label id="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E_documentation_en-US" xlink:label="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for other assets. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_OtherAssetsPolicyTextBlock" xlink:label="loc_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E" xlink:to="lab_kar_OtherAssetsPolicyTextBlock_12D67233CCAAD8703D4554AE2761A75E" xlink:type="arc"/>
<link:label id="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7_terseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-Lived Assets </link:label>
<link:label id="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7_label_en-US" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7" xlink:to="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_759CFA8FDDB9B358230A54AE27612DF7" xlink:type="arc"/>
<link:label id="lab_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Leases </link:label>
<link:label id="lab_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6_label_en-US" xlink:label="lab_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Leases [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeLeasesPolicyTextBlock" xlink:label="loc_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6" xlink:to="lab_us-gaap_LesseeLeasesPolicyTextBlock_3037FF19CB0C3818CECF54AE2B37B3A6" xlink:type="arc"/>
<link:label id="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A_terseLabel_en-US" xlink:label="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts Payable </link:label>
<link:label id="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A_label_en-US" xlink:label="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable [Policy Text Block] </link:label>
<link:label id="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A_documentation_en-US" xlink:label="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for accounts payable. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_AccountsPayablePolicyTextBlock" xlink:label="loc_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A" xlink:to="lab_kar_AccountsPayablePolicyTextBlock_D32C4F8D50B4F52BDA4C54AE2762B30A" xlink:type="arc"/>
<link:label id="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD_terseLabel_en-US" xlink:label="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Self Insurance Reserves </link:label>
<link:label id="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD_label_en-US" xlink:label="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self Insurance Reserve [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SelfInsuranceReservePolicyTextBlock" xlink:label="loc_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD" xlink:to="lab_us-gaap_SelfInsuranceReservePolicyTextBlock_88BD7B92B1E6C490051054AE2762F9CD" xlink:type="arc"/>
<link:label id="lab_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30_terseLabel_en-US" xlink:label="lab_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Environmental Liabilities </link:label>
<link:label id="lab_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30_label_en-US" xlink:label="lab_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Environmental Costs, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EnvironmentalCostsPolicy" xlink:label="loc_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30" xlink:to="lab_us-gaap_EnvironmentalCostsPolicy_83BFD9E3B171B150374654AE27626C30" xlink:type="arc"/>
<link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue Recognition </link:label>
<link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF_label_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF" xlink:to="lab_us-gaap_RevenueRecognitionPolicyTextBlock_EE5A08AA0C213D541E4854AE2762E3BF" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Taxes </link:label>
<link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8_label_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8" xlink:to="lab_us-gaap_IncomeTaxPolicyTextBlock_092FF9579F8C6903CA7754AE276354A8" xlink:type="arc"/>
<link:label id="lab_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net Income from Continuing Operations per Share </link:label>
<link:label id="lab_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE_label_en-US" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE" xlink:to="lab_us-gaap_EarningsPerSharePolicyTextBlock_53D8FEA089C1C9ECE60054AE2763C0FE" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounting for Stock-Based Compensation </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E" xlink:to="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B733B03F04C49288722854AE27638A8E" xlink:type="arc"/>
<link:label id="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8_terseLabel_en-US" xlink:label="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> New Accounting Standards </link:label>
<link:label id="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8_label_en-US" xlink:label="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Description of New Accounting Pronouncements Not yet Adopted [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted" xlink:label="loc_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8" xlink:to="lab_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_F01C174D6431DFE8DD0554AE276381E8" xlink:type="arc"/>
<link:label id="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766_terseLabel_en-US" xlink:label="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Components of lease expense </link:label>
<link:label id="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766_label_en-US" xlink:label="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Components of lease expense [Abstract] </link:label>
<link:label id="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766_documentation_en-US" xlink:label="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Components of lease expense </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ComponentsofleaseexpenseAbstract" xlink:label="loc_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766" xlink:to="lab_kar_ComponentsofleaseexpenseAbstract_AD984FC199C513579D9C3FF15AA99766" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease cost </link:label>
<link:label id="lab_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseCost" xlink:label="loc_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0" xlink:to="lab_us-gaap_OperatingLeaseCost_EC681A97FB6FEC0507E83FF15AA9E7E0" xlink:type="arc"/>
<link:label id="lab_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance lease cost </link:label>
<link:label id="lab_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C_label_en-US" xlink:label="lab_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lease, Cost [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeaseCostAbstract" xlink:label="loc_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C" xlink:to="lab_us-gaap_LeaseCostAbstract_5392717922F4DC1EFD2A3FF15AA9008C" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of right-of-use assets </link:label>
<link:label id="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Right-of-Use Asset, Amortization </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127" xlink:to="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_97A7AAB8C6A4ED2B2D233FF15AA9B127" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest on lease liabilities </link:label>
<link:label id="lab_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Interest Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseInterestExpense" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361" xlink:to="lab_us-gaap_FinanceLeaseInterestExpense_76B38A975D4C643373A53FF15AA97361" xlink:type="arc"/>
<link:label id="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC_terseLabel_en-US" xlink:label="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total finance lease cost </link:label>
<link:label id="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC_label_en-US" xlink:label="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> FinanceLeaseCost </link:label>
<link:label id="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC_documentation_en-US" xlink:label="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Finance lease cost. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_FinanceLeaseCost" xlink:label="loc_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC" xlink:to="lab_kar_FinanceLeaseCost_EC28287EDF724D6DD0683FF15AAA9BBC" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF_terseLabel_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-Term Debt </link:label>
<link:label id="lab_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="loc_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF" xlink:to="lab_us-gaap_DebtDisclosureTextBlock_2A5235BABB253C4556249125BCB272AF" xlink:type="arc"/>
<link:label id="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of the primary components of AFC's revenue </link:label>
<link:label id="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB_label_en-US" xlink:label="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Afc Revenue [Table Text Block] </link:label>
<link:label id="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB_documentation_en-US" xlink:label="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tabular disclosure of the primary components of AFC's revenue. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfAfcRevenueTableTextBlock" xlink:label="loc_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB" xlink:to="lab_kar_ScheduleOfAfcRevenueTableTextBlock_0413D28DBE45998875EA9125BC490FCB" xlink:type="arc"/>
<link:label id="lab_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7_label_en-US" xlink:label="lab_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maturities of Lease Liabilities [Abstract] </link:label>
<link:label id="lab_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7_documentation_en-US" xlink:label="lab_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maturities of Lease Liabilities [Abstract] </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_MaturitiesofLeaseLiabilitiesAbstract" xlink:label="loc_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7" xlink:to="lab_kar_MaturitiesofLeaseLiabilitiesAbstract_72B8D38E6CBFC9A5E16F409541BD96C7" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Lease </link:label>
<link:label id="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payment, Due [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:label="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A" xlink:to="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_3689089BDD794CA48189409541C25F5A" xlink:type="arc"/>
<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>
<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_E81842281938C11837BA409541C2DA0B" xlink:type="arc"/>
<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>
<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Due Year Two </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_D55E4C669258D11CB971409541C31897" xlink:type="arc"/>
<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>
<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Due Year Three </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_864857FB87681033AFA6409541C30191" xlink:type="arc"/>
<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_24328A2606D661E91264409541C3D873_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_24328A2606D661E91264409541C3D873" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label>
<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_24328A2606D661E91264409541C3D873_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_24328A2606D661E91264409541C3D873" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Due Year Four </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_24328A2606D661E91264409541C3D873" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_F13F39BCF1CD074A3537409541C33D0A_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_F13F39BCF1CD074A3537409541C33D0A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label>
<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_F13F39BCF1CD074A3537409541C33D0A_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_F13F39BCF1CD074A3537409541C33D0A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Due Year Five </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_F13F39BCF1CD074A3537409541C33D0A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_D43E260CB196D96ADF81409541C38429_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_D43E260CB196D96ADF81409541C38429" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter </link:label>
<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_D43E260CB196D96ADF81409541C38429_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_D43E260CB196D96ADF81409541C38429" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Due after Year Five </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_D43E260CB196D96ADF81409541C38429" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_89DAF2D9506FFA41A04D409541C4F05E_totalLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_89DAF2D9506FFA41A04D409541C4F05E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total lease payments </link:label>
<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_89DAF2D9506FFA41A04D409541C4F05E_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_89DAF2D9506FFA41A04D409541C4F05E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Payments, Due </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_89DAF2D9506FFA41A04D409541C4F05E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Less imputed interest </link:label>
<link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Liability, Undiscounted Excess Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_62882718482EBC71EFFF409541C48D2B" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance Lease </link:label>
<link:label id="lab_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payment, Due, Rolling Maturity [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract" xlink:label="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637" xlink:to="lab_us-gaap_FinanceLeaseLiabilitiesPaymentsRollingMaturityAbstract_E1DF5ABDA33568D06D3E409541C44637" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>
<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payments, Remainder of Fiscal Year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7" xlink:to="lab_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_3C7C73B06DC8DA530543409541C463E7" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>
<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payments, Due Year Two </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957" xlink:to="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_B17C7668DF33107534D0409541C50957" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>
<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payments, Due Year Three </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103" xlink:to="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_87E7CC786B2B5E1A8FDA409541C5C103" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label>
<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payments, Due Year Four </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46" xlink:to="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_A0FBBB34255A6ECAA612409541C52A46" xlink:type="arc"/>
<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_69418FBF13FA657C9A52409541C50B3D_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_69418FBF13FA657C9A52409541C50B3D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label>
<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_69418FBF13FA657C9A52409541C50B3D_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_69418FBF13FA657C9A52409541C50B3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payments, Due Year Five </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_69418FBF13FA657C9A52409541C50B3D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_CD2C349444D9C2A5B86A409541C5BDAF_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_CD2C349444D9C2A5B86A409541C5BDAF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter </link:label>
<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_CD2C349444D9C2A5B86A409541C5BDAF_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_CD2C349444D9C2A5B86A409541C5BDAF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payments, Due after Year Five </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_CD2C349444D9C2A5B86A409541C5BDAF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDue_2F1B0C29FB568D0130AC409541C61E81_totalLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDue_2F1B0C29FB568D0130AC409541C61E81" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total lease payments </link:label>
<link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDue_2F1B0C29FB568D0130AC409541C61E81_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDue_2F1B0C29FB568D0130AC409541C61E81" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Payment, Due </link:label>
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<link:label id="lab_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_EBAD94B93FA9C31DBF67409541C6125F_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_EBAD94B93FA9C31DBF67409541C6125F" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Less imputed interest </link:label>
<link:label id="lab_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_EBAD94B93FA9C31DBF67409541C6125F_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_EBAD94B93FA9C31DBF67409541C6125F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance Lease, Liability, Undiscounted Excess Amount </link:label>
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<link:label id="lab_us-gaap_FinanceLeaseLiability_4EB278B079D5B1E1B71B409541C6447B_verboseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiability_4EB278B079D5B1E1B71B409541C6447B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Total finance lease liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiability" xlink:label="loc_us-gaap_FinanceLeaseLiability_4EB278B079D5B1E1B71B409541C6447B" xlink:type="locator"/>
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<link:label id="lab_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC_label_en-US" xlink:label="lab_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event [Abstract] </link:label>
<link:label id="lab_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC_documentation_en-US" xlink:label="lab_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Subsequent Event [Abstract] </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_SubsequentEventAbstract" xlink:label="loc_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC" xlink:to="lab_kar_SubsequentEventAbstract_3F2C737A93000616E1EE54D080E24ADC" xlink:type="arc"/>
<link:label id="lab_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event </link:label>
<link:label id="lab_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="loc_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39" xlink:to="lab_us-gaap_SubsequentEventTable_9730788CD7A81539214554D080E2DF39" xlink:type="arc"/>
<link:label id="lab_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type </link:label>
<link:label id="lab_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA" xlink:to="lab_us-gaap_SubsequentEventTypeAxis_636D3672E6EAF47D7B1C54D080E323BA" xlink:type="arc"/>
<link:label id="lab_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type </link:label>
<link:label id="lab_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB" xlink:to="lab_us-gaap_SubsequentEventTypeDomain_7EED5FCF7C9D2665F50B54D080E3C7EB" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_DC6EC9A834F5AF287D6354D080E3F077_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_DC6EC9A834F5AF287D6354D080E3F077" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Instrument </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_DC6EC9A834F5AF287D6354D080E3F077" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_DC6EC9A834F5AF287D6354D080E3F077" xlink:to="lab_us-gaap_DerivativeInstrumentRiskAxis_DC6EC9A834F5AF287D6354D080E3F077" xlink:type="arc"/>
<link:label id="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4_terseLabel_en-US" xlink:label="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> January 2020 interest rate swap </link:label>
<link:label id="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4_label_en-US" xlink:label="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> January 2020 Interest Rate Swap [Member] </link:label>
<link:label id="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4_documentation_en-US" xlink:label="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> January 2020 interest rate swap. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_January2020InterestRateSwapMember" xlink:label="loc_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4" xlink:to="lab_kar_January2020InterestRateSwapMember_FAB9753B1FA73775C95654D080E4EFE4" xlink:type="arc"/>
<link:label id="lab_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event </link:label>
<link:label id="lab_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D_label_en-US" xlink:label="lab_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="loc_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D" xlink:to="lab_us-gaap_SubsequentEventLineItems_978DC519F49D4ECE537554D080E4EF8D" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativeNotionalAmount_E5F889FA53BD42E77EF254D080E482BE_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNotionalAmount_E5F889FA53BD42E77EF254D080E482BE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Derivative, notional amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeNotionalAmount" xlink:label="loc_us-gaap_DerivativeNotionalAmount_E5F889FA53BD42E77EF254D080E482BE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeNotionalAmount_E5F889FA53BD42E77EF254D080E482BE" xlink:to="lab_us-gaap_DerivativeNotionalAmount_E5F889FA53BD42E77EF254D080E482BE" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative, weighted average fixed interest rate </link:label>
<link:label id="lab_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE_label_en-US" xlink:label="lab_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative, Average Fixed Interest Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeAverageFixedInterestRate" xlink:label="loc_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE" xlink:to="lab_us-gaap_DerivativeAverageFixedInterestRate_0F8B1207A450BC5AF75254D080E4E7BE" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative, term of contract </link:label>
<link:label id="lab_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350_label_en-US" xlink:label="lab_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative, Term of Contract </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeTermOfContract" xlink:label="loc_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350" xlink:to="lab_us-gaap_DerivativeTermOfContract_32C8BEEE57D5CF93A59B54D080E4B350" xlink:type="arc"/>
<link:label id="lab_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Components of lease expense </link:label>
<link:label id="lab_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF_label_en-US" xlink:label="lab_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lease, Cost [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeaseCostTableTextBlock" xlink:label="loc_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF" xlink:to="lab_us-gaap_LeaseCostTableTextBlock_69822D795AA380098DB13EFAED5EEFBF" xlink:type="arc"/>
<link:label id="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplemental cash flow information related to leases </link:label>
<link:label id="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8_label_en-US" xlink:label="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ScheduleOfSupplementalCashFlowInformationRelatedToLeases [Table Text Block] </link:label>
<link:label id="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8_documentation_en-US" xlink:label="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Table Text Block] for Schedule of supplemental cash flow information related to leases. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock" xlink:label="loc_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8" xlink:to="lab_kar_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_51F90DC8C91DEBBCD8C23EFAED5EF1B8" xlink:type="arc"/>
<link:label id="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplementatl balance sheet information related to leases </link:label>
<link:label id="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046_label_en-US" xlink:label="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ScheduleOfSupplementalBalanceSheetInformationRelatedToLeases [Table Text Block] </link:label>
<link:label id="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046_documentation_en-US" xlink:label="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Table Text Block] for Schedule of supplemental balance sheet information related to leases. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock" xlink:label="loc_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046" xlink:to="lab_kar_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_F5FC08F213188BC55B953EFAED5EF046" xlink:type="arc"/>
<link:label id="lab_kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock_96DB45153AA27024FF843EFAED5E4F2E_terseLabel_en-US" xlink:label="lab_kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock_96DB45153AA27024FF843EFAED5E4F2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maturities of lease liabilities </link:label>
<link:label id="lab_kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock_96DB45153AA27024FF843EFAED5E4F2E_label_en-US" xlink:label="lab_kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock_96DB45153AA27024FF843EFAED5E4F2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilities [Table Text Block] </link:label>
<link:label id="lab_kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock_96DB45153AA27024FF843EFAED5E4F2E_documentation_en-US" xlink:label="lab_kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock_96DB45153AA27024FF843EFAED5E4F2E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Schedule of maturities of operating and finance leases liabilities. </link:label>
<link:loc xlink:href="kar-20191231.xsd#kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock" xlink:label="loc_kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock_96DB45153AA27024FF843EFAED5E4F2E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock_96DB45153AA27024FF843EFAED5E4F2E" xlink:to="lab_kar_ScheduleOfMaturitiesOfOperatingAndFinancingLeasesLiabilitiesTableTextBlock_96DB45153AA27024FF843EFAED5E4F2E" xlink:type="arc"/>
<link:label id="lab_us-gaap_CapitalLeasedAssetsLineItems_33B1EC2F8D84EC8002CF3EFAED5D92DA_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasedAssetsLineItems_33B1EC2F8D84EC8002CF3EFAED5D92DA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assets held under capital leases </link:label>
<link:label id="lab_us-gaap_CapitalLeasedAssetsLineItems_33B1EC2F8D84EC8002CF3EFAED5D92DA_label_en-US" xlink:label="lab_us-gaap_CapitalLeasedAssetsLineItems_33B1EC2F8D84EC8002CF3EFAED5D92DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leased Assets [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalLeasedAssetsLineItems" xlink:label="loc_us-gaap_CapitalLeasedAssetsLineItems_33B1EC2F8D84EC8002CF3EFAED5D92DA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfCapitalLeasedAsssetsTableTextBlock_01B57233238625B069BA3EFAED5EACD3_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfCapitalLeasedAsssetsTableTextBlock_01B57233238625B069BA3EFAED5EACD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of assets held under capital leases </link:label>
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18 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/21/24  OPENLANE, Inc.                    10-K       12/31/23  112:14M
11/02/23  OPENLANE, Inc.                    10-Q        9/30/23   68:7.4M
 8/03/23  OPENLANE, Inc.                    10-Q        6/30/23   66:7.3M
 5/03/23  OPENLANE, Inc.                    10-Q        3/31/23   60:6.8M
 3/22/23  OPENLANE, Inc.                    10-Q/A      9/30/22   62:7.2M
 3/22/23  OPENLANE, Inc.                    10-Q/A      6/30/22   61:7M
 3/22/23  OPENLANE, Inc.                    10-Q/A      3/31/22   61:6.1M
 3/09/23  OPENLANE, Inc.                    10-K       12/31/22  111:15M
11/02/22  OPENLANE, Inc.                    10-Q        9/30/22   62:9.3M
 8/03/22  OPENLANE, Inc.                    10-Q        6/30/22   58:7.4M
 5/04/22  OPENLANE, Inc.                    10-Q        3/31/22   59:6.4M
 2/23/22  OPENLANE, Inc.                    10-K       12/31/21  110:15M
11/03/21  OPENLANE, Inc.                    10-Q        9/30/21   57:6.9M
 8/04/21  OPENLANE, Inc.                    10-Q        6/30/21   55:6.8M
 5/05/21  OPENLANE, Inc.                    10-Q        3/31/21   57:5.6M
 2/18/21  OPENLANE, Inc.                    10-K       12/31/20  105:14M
11/04/20  OPENLANE, Inc.                    10-Q        9/30/20   68:9.7M
 8/05/20  OPENLANE, Inc.                    10-Q        6/30/20   67:8.8M
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