SEC Info℠  
    Home      Search      My Interests      Help      Sign In      Please Sign In

KAR Auction Services, Inc. – ‘10-Q’ for 3/31/16 – ‘EX-101.DEF’

On:  Wednesday, 5/4/16, at 4:16pm ET   ·   For:  3/31/16   ·   Accession #:  1395942-16-292   ·   File #:  1-34568

Previous ‘10-Q’:  ‘10-Q’ on 11/5/15 for 9/30/15   ·   Next:  ‘10-Q’ on 8/3/16 for 6/30/16   ·   Latest:  ‘10-Q’ on 5/2/24 for 3/31/24

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

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

 5/04/16  KAR Auction Services, Inc.        10-Q        3/31/16   57:5.9M

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

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Form 10-Q - March 31, 2016                          HTML    615K 
 2: EX-2.1B     Exhibit 2.1B - 1st Amendment to Apa                 HTML     53K 
 3: EX-10.13    Exhibit 10.13 - Kar Aip Summary of Terms 2016       HTML     36K 
 4: EX-10.15B   Exhibit 10.15B - Amendment No. 1 to 6th A&R Rpa     HTML     46K 
 5: EX-31.1     Exhibit 31.1 - CEO Sox 302 Certification            HTML     24K 
 6: EX-31.2     Exhibit 31.2 - CFO Sox 302 Certification            HTML     24K 
 7: EX-32.1     Exhibit 32.1 - CEO Sox 906 Certification            HTML     19K 
 8: EX-32.2     Exhibit 32.2 - CFO Sox 906 Certification            HTML     19K 
15: R1          Document and Entity Information                     HTML     38K 
16: R2          Consolidated Statements of Income                   HTML     66K 
17: R3          Consolidated Statements of Comprehensive Income     HTML     28K 
18: R4          Consolidated Balance Sheets                         HTML    117K 
19: R5          Consolidated Balance Sheets (Parenthetical)         HTML     46K 
20: R6          Consolidated Statements of Stockholders' Equity     HTML     60K 
21: R7          Consolidated Statements of Stockholders' Equity     HTML     18K 
                (Parenthetical)                                                  
22: R8          Consolidated Statements of Cash Flows               HTML    117K 
23: R9          Basis of Presentation and Nature of Operations      HTML     52K 
24: R10         Acquisitions                                        HTML     26K 
25: R11         Stock and Stock-Based Compensation Plans            HTML     37K 
26: R12         Net Income Per Share                                HTML     37K 
27: R13         Finance Receivables and Obligations Collateralized  HTML     59K 
                by Finance Receivables                                           
28: R14         Long-Term Debt                                      HTML     65K 
29: R15         Derivatives                                         HTML     47K 
30: R16         Commitments and Contingencies                       HTML     22K 
31: R17         Accumulated Other Comprehensive Income (Loss)       HTML     29K 
32: R18         Segment Information                                 HTML    135K 
33: R19         Basis of Presentation and Nature of Operations      HTML     46K 
                Accounting Policies (Policies)                                   
34: R20         Basis of Presentation and Nature of Operations      HTML     32K 
                (Tables)                                                         
35: R21         Stock and Stock-Based Compensation Plans (Tables)   HTML     28K 
36: R22         Net Income Per Share (Tables)                       HTML     32K 
37: R23         Finance Receivables and Obligations Collateralized  HTML     53K 
                by Finance Receivables (Tables)                                  
38: R24         Long-Term Debt (Tables)                             HTML     53K 
39: R25         Derivatives (Tables)                                HTML     38K 
40: R26         Accumulated Other Comprehensive Income (Loss)       HTML     26K 
                (Tables)                                                         
41: R27         Segment Information (Tables)                        HTML    130K 
42: R28         Basis of Presentation and Nature of Operations      HTML     66K 
                (Details)                                                        
43: R29         Acquisitions (Details)                              HTML     29K 
44: R30         Stock and Stock-Based Compensation Plan Summary     HTML     46K 
                (Details)                                                        
45: R31         Share Repurchase Plan (Details)                     HTML     39K 
46: R32         Net Income Per Share (Details)                      HTML     49K 
47: R33         Finance Receivables and Obligations Collateralized  HTML     65K 
                by Finance Receivables (Details)                                 
48: R34         Long-Term Debt Summary (Details)                    HTML     53K 
49: R35         Credit Facilities (Details)                         HTML     97K 
50: R36         Derivatives (Details)                               HTML     47K 
51: R37         Derivatives (Details 2)                             HTML     22K 
52: R38         Commitments and Contingencies (Details)             HTML     18K 
53: R39         Accumulated Other Comprehensive Income (Loss)       HTML     30K 
                (Details)                                                        
54: R40         Segment Information (Details)                       HTML     97K 
56: XML         IDEA XML File -- Filing Summary                      XML     91K 
55: EXCEL       IDEA Workbook of Financial Reports                  XLSX     51K 
 9: EX-101.INS  XBRL Instance -- kar-20160331                        XML   1.19M 
11: EX-101.CAL  XBRL Calculations -- kar-20160331_cal                XML    149K 
12: EX-101.DEF  XBRL Definitions -- kar-20160331_def                 XML    389K 
13: EX-101.LAB  XBRL Labels -- kar-20160331_lab                      XML   1.02M 
14: EX-101.PRE  XBRL Presentations -- kar-20160331_pre               XML    609K 
10: EX-101.SCH  XBRL Schema -- kar-20160331                          XSD    111K 
57: ZIP         XBRL Zipped Folder -- 0001395942-16-000292-xbrl      Zip    142K

‘EX-101.DEF’   —   XBRL Definitions — kar-20160331_def

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with Wdesk from Workiva -->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<roleRef roleURI="http://karauctionservices.com/role/AccumulatedOtherComprehensiveIncomeLoss" xlink:href="kar-20160331.xsd#AccumulatedOtherComprehensiveIncomeLoss" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/AccumulatedOtherComprehensiveIncomeLossDetails" xlink:href="kar-20160331.xsd#AccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/AccumulatedOtherComprehensiveIncomeLossTables" xlink:href="kar-20160331.xsd#AccumulatedOtherComprehensiveIncomeLossTables" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/Acquisitions" xlink:href="kar-20160331.xsd#Acquisitions" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/AcquisitionsDetails" xlink:href="kar-20160331.xsd#AcquisitionsDetails" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/BasisOfPresentationAndNatureOfOperations" xlink:href="kar-20160331.xsd#BasisOfPresentationAndNatureOfOperations" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/BasisOfPresentationAndNatureOfOperationsAccountingPoliciesPolicies" xlink:href="kar-20160331.xsd#BasisOfPresentationAndNatureOfOperationsAccountingPoliciesPolicies" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/BasisOfPresentationAndNatureOfOperationsDetails" xlink:href="kar-20160331.xsd#BasisOfPresentationAndNatureOfOperationsDetails" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/BasisOfPresentationAndNatureOfOperationsTables" xlink:href="kar-20160331.xsd#BasisOfPresentationAndNatureOfOperationsTables" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/CommitmentsAndContingencies" xlink:href="kar-20160331.xsd#CommitmentsAndContingencies" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/CommitmentsAndContingenciesDetails" xlink:href="kar-20160331.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/ConsolidatedBalanceSheets" xlink:href="kar-20160331.xsd#ConsolidatedBalanceSheets" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="kar-20160331.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="kar-20160331.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:href="kar-20160331.xsd#ConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/ConsolidatedStatementsOfIncome" xlink:href="kar-20160331.xsd#ConsolidatedStatementsOfIncome" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:href="kar-20160331.xsd#ConsolidatedStatementsOfStockholdersEquity" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/ConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:href="kar-20160331.xsd#ConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/CreditFacilitiesDetails" xlink:href="kar-20160331.xsd#CreditFacilitiesDetails" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/Derivatives" xlink:href="kar-20160331.xsd#Derivatives" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/DerivativesDetails" xlink:href="kar-20160331.xsd#DerivativesDetails" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/DerivativesDetails2" xlink:href="kar-20160331.xsd#DerivativesDetails2" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/DerivativesTables" xlink:href="kar-20160331.xsd#DerivativesTables" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/DocumentAndEntityInformation" xlink:href="kar-20160331.xsd#DocumentAndEntityInformation" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/FinanceReceivablesAndObligationsCollateralizedByFinanceReceivables" xlink:href="kar-20160331.xsd#FinanceReceivablesAndObligationsCollateralizedByFinanceReceivables" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/FinanceReceivablesAndObligationsCollateralizedByFinanceReceivablesDetails" xlink:href="kar-20160331.xsd#FinanceReceivablesAndObligationsCollateralizedByFinanceReceivablesDetails" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/FinanceReceivablesAndObligationsCollateralizedByFinanceReceivablesTables" xlink:href="kar-20160331.xsd#FinanceReceivablesAndObligationsCollateralizedByFinanceReceivablesTables" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/LongTermDebt" xlink:href="kar-20160331.xsd#LongTermDebt" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/LongTermDebtSummaryDetails" xlink:href="kar-20160331.xsd#LongTermDebtSummaryDetails" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/LongTermDebtTables" xlink:href="kar-20160331.xsd#LongTermDebtTables" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/NetIncomePerShare" xlink:href="kar-20160331.xsd#NetIncomePerShare" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/NetIncomePerShareDetails" xlink:href="kar-20160331.xsd#NetIncomePerShareDetails" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/NetIncomePerShareTables" xlink:href="kar-20160331.xsd#NetIncomePerShareTables" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/SegmentInformation" xlink:href="kar-20160331.xsd#SegmentInformation" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/SegmentInformationDetails" xlink:href="kar-20160331.xsd#SegmentInformationDetails" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/SegmentInformationTables" xlink:href="kar-20160331.xsd#SegmentInformationTables" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/ShareRepurchasePlanDetails" xlink:href="kar-20160331.xsd#ShareRepurchasePlanDetails" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/StockAndStockBasedCompensationPlanSummaryDetails" xlink:href="kar-20160331.xsd#StockAndStockBasedCompensationPlanSummaryDetails" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/StockAndStockBasedCompensationPlans" xlink:href="kar-20160331.xsd#StockAndStockBasedCompensationPlans" xlink:type="simple"/>
<roleRef roleURI="http://karauctionservices.com/role/StockAndStockBasedCompensationPlansTables" xlink:href="kar-20160331.xsd#StockAndStockBasedCompensationPlansTables" xlink:type="simple"/>
<arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple"/>
<arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple"/>
<arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple"/>
<arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple"/>
<arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple"/>
<definitionLink xlink:role="http://karauctionservices.com/role/AccumulatedOtherComprehensiveIncomeLoss" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/AccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/AccumulatedOtherComprehensiveIncomeLossTables" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/Acquisitions" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/AcquisitionsDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_95EA99AE2233E48A892173701527E4F1" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_286AFB7129C825256FCD737015257B6C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_95EA99AE2233E48A892173701527E4F1" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_286AFB7129C825256FCD737015257B6C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_3E987966532CAD95B29E7370152532C3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_286AFB7129C825256FCD737015257B6C" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_3E987966532CAD95B29E7370152532C3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_D85BE7775FC01C93F40F737015254B39_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_3E987966532CAD95B29E7370152532C3" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_D85BE7775FC01C93F40F737015254B39_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_D85BE7775FC01C93F40F737015254B39" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_3E987966532CAD95B29E7370152532C3" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_D85BE7775FC01C93F40F737015254B39" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_BE53154214056B77749E737015261860" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_D85BE7775FC01C93F40F737015254B39" xlink:to="loc_us-gaap_SubsequentEventMember_BE53154214056B77749E737015261860" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_4161D88ADF5CEC66345073701527BFD2" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_286AFB7129C825256FCD737015257B6C" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_4161D88ADF5CEC66345073701527BFD2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1D7C15F91372AAC5CB1A737015278F82_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_4161D88ADF5CEC66345073701527BFD2" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1D7C15F91372AAC5CB1A737015278F82_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1D7C15F91372AAC5CB1A737015278F82" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_4161D88ADF5CEC66345073701527BFD2" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1D7C15F91372AAC5CB1A737015278F82" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_BrashersMember" xlink:label="loc_kar_BrashersMember_A317E4987AF7DE0A708073701527CA8D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1D7C15F91372AAC5CB1A737015278F82" xlink:to="loc_kar_BrashersMember_A317E4987AF7DE0A708073701527CA8D" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_NumberOfSitesForWholeCarAuctions" xlink:label="loc_kar_NumberOfSitesForWholeCarAuctions_7F5CC2CCEB18C9DCDBB673701528BE54" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_95EA99AE2233E48A892173701527E4F1" xlink:to="loc_kar_NumberOfSitesForWholeCarAuctions_7F5CC2CCEB18C9DCDBB673701528BE54" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_BD06069DF0551785B00C73701528E363" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_95EA99AE2233E48A892173701527E4F1" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_BD06069DF0551785B00C73701528E363" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SalesRevenueServicesNet" xlink:label="loc_us-gaap_SalesRevenueServicesNet_A3D6FCE5A6257B82EFCC737015289B1C" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_95EA99AE2233E48A892173701527E4F1" xlink:to="loc_us-gaap_SalesRevenueServicesNet_A3D6FCE5A6257B82EFCC737015289B1C" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/BasisOfPresentationAndNatureOfOperations" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/BasisOfPresentationAndNatureOfOperationsAccountingPoliciesPolicies" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/BasisOfPresentationAndNatureOfOperationsDetails" xlink:type="extended">
<loc xlink:href="kar-20160331.xsd#kar_BusinessDetailsLineItems" xlink:label="loc_kar_BusinessDetailsLineItems_5B8B5F7BCDD61B3F709F5825FB1F34DE" xlink:type="locator"/>
<loc xlink:href="kar-20160331.xsd#kar_BusinessDetailsTable" xlink:label="loc_kar_BusinessDetailsTable_3DFD92BFC7AECB6528F45825FB18A453" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_kar_BusinessDetailsLineItems_5B8B5F7BCDD61B3F709F5825FB1F34DE" xlink:to="loc_kar_BusinessDetailsTable_3DFD92BFC7AECB6528F45825FB18A453" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_294D62AF65E28283BE165825FB195AC2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_kar_BusinessDetailsTable_3DFD92BFC7AECB6528F45825FB18A453" xlink:to="loc_us-gaap_StatementScenarioAxis_294D62AF65E28283BE165825FB195AC2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_A6B642FBD497C1F21946582E18DB1542_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_294D62AF65E28283BE165825FB195AC2" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_A6B642FBD497C1F21946582E18DB1542_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_A6B642FBD497C1F21946582E18DB1542" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_294D62AF65E28283BE165825FB195AC2" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_A6B642FBD497C1F21946582E18DB1542" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioPreviouslyReportedMember" xlink:label="loc_us-gaap_ScenarioPreviouslyReportedMember_7BFE283BC2717263ACF6582E18E0DC5C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_A6B642FBD497C1F21946582E18DB1542" xlink:to="loc_us-gaap_ScenarioPreviouslyReportedMember_7BFE283BC2717263ACF6582E18E0DC5C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestatementAdjustmentMember" xlink:label="loc_us-gaap_RestatementAdjustmentMember_744E36A0FD5EE5B66B1C582E18E070E6" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_A6B642FBD497C1F21946582E18DB1542" xlink:to="loc_us-gaap_RestatementAdjustmentMember_744E36A0FD5EE5B66B1C582E18E070E6" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_AsAdjustedMember" xlink:label="loc_kar_AsAdjustedMember_017A4E92C8D3C22CC283582E18E0CBCA" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_A6B642FBD497C1F21946582E18DB1542" xlink:to="loc_kar_AsAdjustedMember_017A4E92C8D3C22CC283582E18E0CBCA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_A5274D8BD117CEC066725825FB19AF03" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_kar_BusinessDetailsTable_3DFD92BFC7AECB6528F45825FB18A453" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_A5274D8BD117CEC066725825FB19AF03" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_B64AAD3054D491509FB75825FB196370_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_A5274D8BD117CEC066725825FB19AF03" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_B64AAD3054D491509FB75825FB196370_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_B64AAD3054D491509FB75825FB196370" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_A5274D8BD117CEC066725825FB19AF03" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_B64AAD3054D491509FB75825FB196370" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_HBCMember" xlink:label="loc_kar_HBCMember_597640F6039464448FEE5825FB19DDE9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_B64AAD3054D491509FB75825FB196370" xlink:to="loc_kar_HBCMember_597640F6039464448FEE5825FB19DDE9" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_LongtermDebtCreditAgreementAxis" xlink:label="loc_kar_LongtermDebtCreditAgreementAxis_284AF812E5132A30D6B85825FB1EE9EE" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_kar_BusinessDetailsTable_3DFD92BFC7AECB6528F45825FB18A453" xlink:to="loc_kar_LongtermDebtCreditAgreementAxis_284AF812E5132A30D6B85825FB1EE9EE" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_LongtermDebtCreditAgreementDomain" xlink:label="loc_kar_LongtermDebtCreditAgreementDomain_DE56D39BB7AA3D358C925825FB1FBD38_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_kar_LongtermDebtCreditAgreementAxis_284AF812E5132A30D6B85825FB1EE9EE" xlink:to="loc_kar_LongtermDebtCreditAgreementDomain_DE56D39BB7AA3D358C925825FB1FBD38_default" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_LongtermDebtCreditAgreementDomain" xlink:label="loc_kar_LongtermDebtCreditAgreementDomain_DE56D39BB7AA3D358C925825FB1FBD38" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_kar_LongtermDebtCreditAgreementAxis_284AF812E5132A30D6B85825FB1EE9EE" xlink:to="loc_kar_LongtermDebtCreditAgreementDomain_DE56D39BB7AA3D358C925825FB1FBD38" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_CreditAgreementMember" xlink:label="loc_kar_CreditAgreementMember_5DADD08E0B671D410F105825FB1F8676" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_kar_LongtermDebtCreditAgreementDomain_DE56D39BB7AA3D358C925825FB1FBD38" xlink:to="loc_kar_CreditAgreementMember_5DADD08E0B671D410F105825FB1F8676" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_679565FA52D4CE0973A45825FB1FEEFF" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_kar_BusinessDetailsTable_3DFD92BFC7AECB6528F45825FB18A453" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_679565FA52D4CE0973A45825FB1FEEFF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_413029EF021CA94FD38B5825FB1FDCEC_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_679565FA52D4CE0973A45825FB1FEEFF" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_413029EF021CA94FD38B5825FB1FDCEC_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_413029EF021CA94FD38B5825FB1FDCEC" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_679565FA52D4CE0973A45825FB1FEEFF" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_413029EF021CA94FD38B5825FB1FDCEC" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_TermLoanB1Member" xlink:label="loc_kar_TermLoanB1Member_7415EB6B0A765B87F10B5825FB1F0245" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_413029EF021CA94FD38B5825FB1FDCEC" xlink:to="loc_kar_TermLoanB1Member_7415EB6B0A765B87F10B5825FB1F0245" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_TermLoanB2Member" xlink:label="loc_kar_TermLoanB2Member_FB4C1FBB585F2C511DA75825FB1FEA75" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_413029EF021CA94FD38B5825FB1FDCEC" xlink:to="loc_kar_TermLoanB2Member_FB4C1FBB585F2C511DA75825FB1FEA75" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_TermLoanB3Member" xlink:label="loc_kar_TermLoanB3Member_C46F88A3E90E17CD280C5825FB1F7208" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_413029EF021CA94FD38B5825FB1FDCEC" xlink:to="loc_kar_TermLoanB3Member_C46F88A3E90E17CD280C5825FB1F7208" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_7F20E683ABA8DC0ACE075825FB1FEC51" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_413029EF021CA94FD38B5825FB1FDCEC" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_7F20E683ABA8DC0ACE075825FB1FEC51" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_OldRevolvingCreditFacilityMember" xlink:label="loc_kar_OldRevolvingCreditFacilityMember_AADCA546651CF62485445825FB1F8A82" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_413029EF021CA94FD38B5825FB1FDCEC" xlink:to="loc_kar_OldRevolvingCreditFacilityMember_AADCA546651CF62485445825FB1F8A82" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_4E604C13E36D6B04CD875825FB1F58DA" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_kar_BusinessDetailsTable_3DFD92BFC7AECB6528F45825FB18A453" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_4E604C13E36D6B04CD875825FB1F58DA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_2254E6B03F4FD5E22DC85825FB1FD56D_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_4E604C13E36D6B04CD875825FB1F58DA" xlink:to="loc_us-gaap_SegmentDomain_2254E6B03F4FD5E22DC85825FB1FD56D_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_2254E6B03F4FD5E22DC85825FB1FD56D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_4E604C13E36D6B04CD875825FB1F58DA" xlink:to="loc_us-gaap_SegmentDomain_2254E6B03F4FD5E22DC85825FB1FD56D" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_ADESAAuctionsMember" xlink:label="loc_kar_ADESAAuctionsMember_5324067402E3D4AA51225825FB1F4ABE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_2254E6B03F4FD5E22DC85825FB1FD56D" xlink:to="loc_kar_ADESAAuctionsMember_5324067402E3D4AA51225825FB1F4ABE" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_IAAMember" xlink:label="loc_kar_IAAMember_32BCE0C98C946C37E7975825FB1FC411" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_2254E6B03F4FD5E22DC85825FB1FD56D" xlink:to="loc_kar_IAAMember_32BCE0C98C946C37E7975825FB1FC411" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_AFCMember" xlink:label="loc_kar_AFCMember_E479B14CC387A8E6A66E5825FB1F1F10" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_2254E6B03F4FD5E22DC85825FB1FD56D" xlink:to="loc_kar_AFCMember_E479B14CC387A8E6A66E5825FB1F1F10" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_9CA93497CA490DFB02445825FB20D2C1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_kar_BusinessDetailsLineItems_5B8B5F7BCDD61B3F709F5825FB1F34DE" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_9CA93497CA490DFB02445825FB20D2C1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="loc_us-gaap_DebtInstrumentTerm_711A676461D3E5B753CB5825FB20F628" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_kar_BusinessDetailsLineItems_5B8B5F7BCDD61B3F709F5825FB1F34DE" xlink:to="loc_us-gaap_DebtInstrumentTerm_711A676461D3E5B753CB5825FB20F628" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_NumberOfSitesForWholeCarAuctions" xlink:label="loc_kar_NumberOfSitesForWholeCarAuctions_3562F9BC0CA80FA0F5935825FB20DBAA" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_kar_BusinessDetailsLineItems_5B8B5F7BCDD61B3F709F5825FB1F34DE" xlink:to="loc_kar_NumberOfSitesForWholeCarAuctions_3562F9BC0CA80FA0F5935825FB20DBAA" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_NumberOfSitesForSalvageVehicleAuctions" xlink:label="loc_kar_NumberOfSitesForSalvageVehicleAuctions_C04B363A9AC6042A4E3D5825FB20EF27" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_kar_BusinessDetailsLineItems_5B8B5F7BCDD61B3F709F5825FB1F34DE" xlink:to="loc_kar_NumberOfSitesForSalvageVehicleAuctions_C04B363A9AC6042A4E3D5825FB20EF27" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices" xlink:label="loc_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_C30A6A03ED29B6E672075825FB20DD66" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_kar_BusinessDetailsLineItems_5B8B5F7BCDD61B3F709F5825FB1F34DE" xlink:to="loc_kar_RankingOfLargestProvidersOfUsedVehicleAuctionsAndRelatedServices_C30A6A03ED29B6E672075825FB20DD66" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_NumberOfLocationsForFloorplanFinancing" xlink:label="loc_kar_NumberOfLocationsForFloorplanFinancing_F8184970E4B9098D53A95825FB2095C2" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_kar_BusinessDetailsLineItems_5B8B5F7BCDD61B3F709F5825FB1F34DE" xlink:to="loc_kar_NumberOfLocationsForFloorplanFinancing_F8184970E4B9098D53A95825FB2095C2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_C9075C0EAD15D9BDCCFC5825FB20807A" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_kar_BusinessDetailsLineItems_5B8B5F7BCDD61B3F709F5825FB1F34DE" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_C9075C0EAD15D9BDCCFC5825FB20807A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount" xlink:label="loc_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_15D78B2F7EF56C35D9B15825FB202A03" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_kar_BusinessDetailsLineItems_5B8B5F7BCDD61B3F709F5825FB1F34DE" xlink:to="loc_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_15D78B2F7EF56C35D9B15825FB202A03" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_963F47E4BD049512DF425825FB204422" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_kar_BusinessDetailsLineItems_5B8B5F7BCDD61B3F709F5825FB1F34DE" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_963F47E4BD049512DF425825FB204422" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/BasisOfPresentationAndNatureOfOperationsTables" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/CommitmentsAndContingencies" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/ConsolidatedBalanceSheets" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_81D14C6DDC0D6EE21E635828E1263AC9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:to="loc_us-gaap_StatementTable_81D14C6DDC0D6EE21E635828E1263AC9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_C4AFB140761530E33F215828E126CBA8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_81D14C6DDC0D6EE21E635828E1263AC9" xlink:to="loc_us-gaap_StatementScenarioAxis_C4AFB140761530E33F215828E126CBA8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_634E7A975D941478A74C5828E126989C_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_C4AFB140761530E33F215828E126CBA8" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_634E7A975D941478A74C5828E126989C_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_634E7A975D941478A74C5828E126989C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_C4AFB140761530E33F215828E126CBA8" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_634E7A975D941478A74C5828E126989C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_604FE3E7FC694FCA0B125828E126E550" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_81D14C6DDC0D6EE21E635828E1263AC9" xlink:to="loc_us-gaap_StatementClassOfStockAxis_604FE3E7FC694FCA0B125828E126E550" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_FF46DC22C0440E3BE8525828E1260450_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_604FE3E7FC694FCA0B125828E126E550" xlink:to="loc_us-gaap_ClassOfStockDomain_FF46DC22C0440E3BE8525828E1260450_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_FF46DC22C0440E3BE8525828E1260450" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_604FE3E7FC694FCA0B125828E126E550" xlink:to="loc_us-gaap_ClassOfStockDomain_FF46DC22C0440E3BE8525828E1260450" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_6F0FB121019A4BB428AC5828E126E425" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_6F0FB121019A4BB428AC5828E126E425" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllowanceForNotesAndLoansReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_143B20AA5AED9E1C77855828E126BA87" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:to="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_143B20AA5AED9E1C77855828E126BA87" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_2A0E5AC714174DEACD805828E1269554" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_2A0E5AC714174DEACD805828E1269554" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_OtherIntangibleAssetsAccumulatedAmortization" xlink:label="loc_kar_OtherIntangibleAssetsAccumulatedAmortization_917E67BF7B4B5B63FE3D5828E1269C3A" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:to="loc_kar_OtherIntangibleAssetsAccumulatedAmortization_917E67BF7B4B5B63FE3D5828E1269C3A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_E5A837AFC2473E305B2E5828E126B9D3" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_E5A837AFC2473E305B2E5828E126B9D3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_A6CEA8EA83A4BEC9C1D15828E12679A6" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_A6CEA8EA83A4BEC9C1D15828E12679A6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_654A033C9928EB06462E5828E127AB9A" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_654A033C9928EB06462E5828E127AB9A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_95A4957D46565F51DE425828E127C1C4" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:to="loc_us-gaap_PreferredStockSharesIssued_95A4957D46565F51DE425828E127C1C4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_3B33A62F6510D0A9E23B5828E127CE21" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_3B33A62F6510D0A9E23B5828E127CE21" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_1DD5F55F6B299A9054145828E127FBDF" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_1DD5F55F6B299A9054145828E127FBDF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_90D2A07017C4FC58ABCF5828E127B9CC" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:to="loc_us-gaap_CommonStockSharesIssued_90D2A07017C4FC58ABCF5828E127B9CC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_9C082E83274965D39C375828E1273805" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_972A0B17514B3D02F9795828E1260162" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_9C082E83274965D39C375828E1273805" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_65865379A6AA3143F4A15828E135E6A2" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_72B0386CAD537585473E5828E1349163" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_65865379A6AA3143F4A15828E135E6A2" xlink:to="loc_us-gaap_StatementTable_72B0386CAD537585473E5828E1349163" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_CD5E48A9794F931DE7925828E1340AE8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_72B0386CAD537585473E5828E1349163" xlink:to="loc_us-gaap_StatementScenarioAxis_CD5E48A9794F931DE7925828E1340AE8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_88D6AC2109620CC5C1145828E135292A_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_CD5E48A9794F931DE7925828E1340AE8" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_88D6AC2109620CC5C1145828E135292A_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_88D6AC2109620CC5C1145828E135292A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_CD5E48A9794F931DE7925828E1340AE8" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_88D6AC2109620CC5C1145828E135292A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_3B4DBAF09D16180DDDBC5828E1355EA6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_65865379A6AA3143F4A15828E135E6A2" xlink:to="loc_us-gaap_NetIncomeLoss_3B4DBAF09D16180DDDBC5828E1355EA6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_9515776837DA16D10E7B5828E135275A" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_65865379A6AA3143F4A15828E135E6A2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_9515776837DA16D10E7B5828E135275A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_3F2C0849A79EEACAEF775828E13524F1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_9515776837DA16D10E7B5828E135275A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_3F2C0849A79EEACAEF775828E13524F1" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/ConsolidatedStatementsOfIncome" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_851D7D08898E876239F75777F7BB72DE" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_10B45816B1CF90C0E1215777F7BBC6D0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_851D7D08898E876239F75777F7BB72DE" xlink:to="loc_us-gaap_StatementTable_10B45816B1CF90C0E1215777F7BBC6D0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_9F91BEE4EBC551A4A3A45777F7BB9A1E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_10B45816B1CF90C0E1215777F7BBC6D0" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_9F91BEE4EBC551A4A3A45777F7BB9A1E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_6B71850C79E180FEF72D5777F7BB8324_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_9F91BEE4EBC551A4A3A45777F7BB9A1E" xlink:to="loc_us-gaap_EquityComponentDomain_6B71850C79E180FEF72D5777F7BB8324_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_6B71850C79E180FEF72D5777F7BB8324" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_9F91BEE4EBC551A4A3A45777F7BB9A1E" xlink:to="loc_us-gaap_EquityComponentDomain_6B71850C79E180FEF72D5777F7BB8324" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_EC7F25404370A6A07AD45777F7BB5709" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_6B71850C79E180FEF72D5777F7BB8324" xlink:to="loc_us-gaap_CommonStockMember_EC7F25404370A6A07AD45777F7BB5709" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_B8F625033EC9A3D5071C5777F7BB4652" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_6B71850C79E180FEF72D5777F7BB8324" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_B8F625033EC9A3D5071C5777F7BB4652" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_C32FC5B342178849D0865777F7BBF743" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_6B71850C79E180FEF72D5777F7BB8324" xlink:to="loc_us-gaap_RetainedEarningsMember_C32FC5B342178849D0865777F7BBF743" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_1A1CEB7D2DEE142BC7545777F7BB8BC2" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_6B71850C79E180FEF72D5777F7BB8324" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_1A1CEB7D2DEE142BC7545777F7BB8BC2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_16A8F69F5D8A8BBDB8CF5777F7BBE3BE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_851D7D08898E876239F75777F7BB72DE" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_16A8F69F5D8A8BBDB8CF5777F7BBE3BE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_51E8C30719BF480075CF5777F7BBEBCE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_16A8F69F5D8A8BBDB8CF5777F7BBE3BE" xlink:to="loc_us-gaap_StockholdersEquity_51E8C30719BF480075CF5777F7BBEBCE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_BACD003765C545EEF1CB5777F7BBA9A7" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_16A8F69F5D8A8BBDB8CF5777F7BBE3BE" xlink:to="loc_us-gaap_CommonStockSharesIssued_BACD003765C545EEF1CB5777F7BBA9A7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_20EF824876E621B9438A5777F7BB8FC8" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_16A8F69F5D8A8BBDB8CF5777F7BBE3BE" xlink:to="loc_us-gaap_NetIncomeLoss_20EF824876E621B9438A5777F7BB8FC8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_AE99BB085ABE107D5DBC5777F7BBC6B9" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_16A8F69F5D8A8BBDB8CF5777F7BBE3BE" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_AE99BB085ABE107D5DBC5777F7BBC6B9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_1819186E307B81AD6D2D5777F7BB147A" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_16A8F69F5D8A8BBDB8CF5777F7BBE3BE" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_1819186E307B81AD6D2D5777F7BB147A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_AE7617E906D943C4B49A5777F7BB36B9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_1819186E307B81AD6D2D5777F7BB147A" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_AE7617E906D943C4B49A5777F7BB36B9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_A4971BAB01E3EBE4C0525777F7BB0287" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_16A8F69F5D8A8BBDB8CF5777F7BBE3BE" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_A4971BAB01E3EBE4C0525777F7BB0287" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_28C5EDBF237E96A6C6135777F7BB45A8" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_16A8F69F5D8A8BBDB8CF5777F7BBE3BE" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_28C5EDBF237E96A6C6135777F7BB45A8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_ED4E92418CC398D620BF5777F7BB580E" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_16A8F69F5D8A8BBDB8CF5777F7BBE3BE" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_ED4E92418CC398D620BF5777F7BB580E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_2E72DBA90EE0895D2F555777F7BB435B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_ED4E92418CC398D620BF5777F7BB580E" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_2E72DBA90EE0895D2F555777F7BB435B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DividendsShareBasedCompensation" xlink:label="loc_us-gaap_DividendsShareBasedCompensation_D04682B9D3F631CD2D365777F7BB88C5" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_16A8F69F5D8A8BBDB8CF5777F7BBE3BE" xlink:to="loc_us-gaap_DividendsShareBasedCompensation_D04682B9D3F631CD2D365777F7BB88C5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_A9856728545F2553067E5777F7BBBFF6" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_16A8F69F5D8A8BBDB8CF5777F7BBE3BE" xlink:to="loc_us-gaap_DividendsCommonStockCash_A9856728545F2553067E5777F7BBBFF6" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/ConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_D3DBB77E6E4E06986ABD5828E11BE88B" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_0BBB374EDF718196A5145828E11B09A7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_D3DBB77E6E4E06986ABD5828E11BE88B" xlink:to="loc_us-gaap_StatementTable_0BBB374EDF718196A5145828E11B09A7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_F5A983C34F5363FBD7D55828E11B6794" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_0BBB374EDF718196A5145828E11B09A7" xlink:to="loc_us-gaap_StatementScenarioAxis_F5A983C34F5363FBD7D55828E11B6794" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_17F926D6863F0E4256F25828E11B56A2_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_F5A983C34F5363FBD7D55828E11B6794" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_17F926D6863F0E4256F25828E11B56A2_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_17F926D6863F0E4256F25828E11B56A2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_F5A983C34F5363FBD7D55828E11B6794" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_17F926D6863F0E4256F25828E11B56A2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_36C9048942468A1809B15828E11B3636" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_0BBB374EDF718196A5145828E11B09A7" xlink:to="loc_us-gaap_StatementClassOfStockAxis_36C9048942468A1809B15828E11B3636" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_09AFC737370670C3B9A85828E11B5933_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_36C9048942468A1809B15828E11B3636" xlink:to="loc_us-gaap_ClassOfStockDomain_09AFC737370670C3B9A85828E11B5933_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_09AFC737370670C3B9A85828E11B5933" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_36C9048942468A1809B15828E11B3636" xlink:to="loc_us-gaap_ClassOfStockDomain_09AFC737370670C3B9A85828E11B5933" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_FA80B6D5A1E03E9FBEDE5828E11BA892" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3DBB77E6E4E06986ABD5828E11BE88B" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_FA80B6D5A1E03E9FBEDE5828E11BA892" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/CreditFacilitiesDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_ACA385D7EFB146F4B9B45777371EE222" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_DebtInstrumentTable_ACA385D7EFB146F4B9B45777371EE222" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="kar-20160331.xsd#kar_LongtermDebtCreditAgreementAxis" xlink:label="loc_kar_LongtermDebtCreditAgreementAxis_77CB8C75D24648F7BF145777371E282C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ACA385D7EFB146F4B9B45777371EE222" xlink:to="loc_kar_LongtermDebtCreditAgreementAxis_77CB8C75D24648F7BF145777371E282C" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_LongtermDebtCreditAgreementDomain" xlink:label="loc_kar_LongtermDebtCreditAgreementDomain_22BA9095088B81A2EF3F5777371FE8C3_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_kar_LongtermDebtCreditAgreementAxis_77CB8C75D24648F7BF145777371E282C" xlink:to="loc_kar_LongtermDebtCreditAgreementDomain_22BA9095088B81A2EF3F5777371FE8C3_default" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_LongtermDebtCreditAgreementDomain" xlink:label="loc_kar_LongtermDebtCreditAgreementDomain_22BA9095088B81A2EF3F5777371FE8C3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_kar_LongtermDebtCreditAgreementAxis_77CB8C75D24648F7BF145777371E282C" xlink:to="loc_kar_LongtermDebtCreditAgreementDomain_22BA9095088B81A2EF3F5777371FE8C3" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_CreditAgreementMember" xlink:label="loc_kar_CreditAgreementMember_0C128381BB55471DC5DB5777371F7F11" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_kar_LongtermDebtCreditAgreementDomain_22BA9095088B81A2EF3F5777371FE8C3" xlink:to="loc_kar_CreditAgreementMember_0C128381BB55471DC5DB5777371F7F11" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_F272405EAC2BDED7B1785777371F5716" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ACA385D7EFB146F4B9B45777371EE222" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_F272405EAC2BDED7B1785777371F5716" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_D7AE4F9F50899AA3CA035777371F28B0_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_F272405EAC2BDED7B1785777371F5716" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_D7AE4F9F50899AA3CA035777371F28B0_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_D7AE4F9F50899AA3CA035777371F28B0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_F272405EAC2BDED7B1785777371F5716" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_D7AE4F9F50899AA3CA035777371F28B0" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_TermLoanB2Member" xlink:label="loc_kar_TermLoanB2Member_85C1BA5F91B8F60ADD135777371F2AC9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D7AE4F9F50899AA3CA035777371F28B0" xlink:to="loc_kar_TermLoanB2Member_85C1BA5F91B8F60ADD135777371F2AC9" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_TermLoanB3Member" xlink:label="loc_kar_TermLoanB3Member_A16D8235D735AC4519975777371F640E" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D7AE4F9F50899AA3CA035777371F28B0" xlink:to="loc_kar_TermLoanB3Member_A16D8235D735AC4519975777371F640E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_4E266DEBCACE908E58815777371FB17C" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D7AE4F9F50899AA3CA035777371F28B0" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_4E266DEBCACE908E58815777371FB17C" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_OldRevolvingCreditFacilityMember" xlink:label="loc_kar_OldRevolvingCreditFacilityMember_3B8FFBF8AAB470F77837577737201FDE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_4E266DEBCACE908E58815777371FB17C" xlink:to="loc_kar_OldRevolvingCreditFacilityMember_3B8FFBF8AAB470F77837577737201FDE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:label="loc_us-gaap_LetterOfCreditMember_AFD0F8714D430D9915DE577737200EBF" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_4E266DEBCACE908E58815777371FB17C" xlink:to="loc_us-gaap_LetterOfCreditMember_AFD0F8714D430D9915DE577737200EBF" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_SwingLineLoanMember" xlink:label="loc_kar_SwingLineLoanMember_9075C24B3EC406201FB2577737209DD0" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_4E266DEBCACE908E58815777371FB17C" xlink:to="loc_kar_SwingLineLoanMember_9075C24B3EC406201FB2577737209DD0" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_CreditAgreementMember" xlink:label="loc_kar_CreditAgreementMember_6A37DA54D24D5A93327E57773720571B" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D7AE4F9F50899AA3CA035777371F28B0" xlink:to="loc_kar_CreditAgreementMember_6A37DA54D24D5A93327E57773720571B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_C41E6BE516886C7A33AA57773720FF88" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ACA385D7EFB146F4B9B45777371EE222" xlink:to="loc_us-gaap_VariableRateAxis_C41E6BE516886C7A33AA57773720FF88" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_54B3891627C76BF2359157773720CC6D_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_C41E6BE516886C7A33AA57773720FF88" xlink:to="loc_us-gaap_VariableRateDomain_54B3891627C76BF2359157773720CC6D_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_54B3891627C76BF2359157773720CC6D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_C41E6BE516886C7A33AA57773720FF88" xlink:to="loc_us-gaap_VariableRateDomain_54B3891627C76BF2359157773720CC6D" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember" xlink:label="loc_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_E32940846CB6DBABBA4B57773720CBA2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_54B3891627C76BF2359157773720CC6D" xlink:to="loc_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_E32940846CB6DBABBA4B57773720CBA2" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_DebtInstrumentVariableRateBaseMember" xlink:label="loc_kar_DebtInstrumentVariableRateBaseMember_997B3606921AEDDD3B3B5777372152E8" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_54B3891627C76BF2359157773720CC6D" xlink:to="loc_kar_DebtInstrumentVariableRateBaseMember_997B3606921AEDDD3B3B5777372152E8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="loc_us-gaap_DebtInstrumentTerm_7BFFCDA46FB0D0F80000577737213586" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_DebtInstrumentTerm_7BFFCDA46FB0D0F80000577737213586" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_54CB3F38644A65C45E0C57773721DA36" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_54CB3F38644A65C45E0C57773721DA36" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsOfDebtExtinguishmentCosts" xlink:label="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_BD537AC84D9EBFC98AD757773721A5D3" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_BD537AC84D9EBFC98AD757773721A5D3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_4F9F06D6FA6FC9930B9757773721AEE9" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_4F9F06D6FA6FC9930B9757773721AEE9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_8F29770373BB288E121B5777372151D6" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_8F29770373BB288E121B5777372151D6" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_DebtInstrumentDiscountAtIssuance" xlink:label="loc_kar_DebtInstrumentDiscountAtIssuance_B36852D6FFC57F073DA75777372212E9" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_kar_DebtInstrumentDiscountAtIssuance_B36852D6FFC57F073DA75777372212E9" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount" xlink:label="loc_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_D0F99448EA42ACBB97FE577737227E4B" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_kar_DebtInstrumentPeriodicPaymentAsPercentageOfPrincipalAmount_D0F99448EA42ACBB97FE577737227E4B" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge" xlink:label="loc_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_54170FEEA7ACD674AFB4577737229477" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndDomesticSubsidiariesOfSubsidiaryGuarantorsPledge_54170FEEA7ACD674AFB4577737229477" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge" xlink:label="loc_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_8131B358B367BC539FD4577737221299" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_kar_DebtInstrumentPercentageOfEquityInterestOfEntityAndForeignSubsidiariesOfSubsidiaryGuarantorsPledge_8131B358B367BC539FD4577737221299" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_3A0BAAEB4EE6B50B3D49577737223A47" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_3A0BAAEB4EE6B50B3D49577737223A47" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_2E75CAE1E0FEE366852657773722C5F2" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_2E75CAE1E0FEE366852657773722C5F2" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_DebtInstrumentVariableRateBasisFloor" xlink:label="loc_kar_DebtInstrumentVariableRateBasisFloor_C2CF7E750EF4182155A457773722CCF9" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_kar_DebtInstrumentVariableRateBasisFloor_C2CF7E750EF4182155A457773722CCF9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtPercentageBearingVariableInterestRate" xlink:label="loc_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_6D078377C4DD4E98295C5777372243E0" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_6D078377C4DD4E98295C5777372243E0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateIncreaseDecrease" xlink:label="loc_us-gaap_DebtInstrumentInterestRateIncreaseDecrease_4D8BEF5A7D64FCE3F0A957773722277C" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_DebtInstrumentInterestRateIncreaseDecrease_4D8BEF5A7D64FCE3F0A957773722277C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_8E28132DBD35FD0DA440577737222BF0" xlink:type="locator"/>
<definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_8E28132DBD35FD0DA440577737222BF0" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_LineOfCreditFacilityUnusedCapacityReducedCommitmentFeePercentage" xlink:label="loc_kar_LineOfCreditFacilityUnusedCapacityReducedCommitmentFeePercentage_FA48D0C9F5D4AD7D58D1577737222CFC" xlink:type="locator"/>
<definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_kar_LineOfCreditFacilityUnusedCapacityReducedCommitmentFeePercentage_FA48D0C9F5D4AD7D58D1577737222CFC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_96D8498D2DD91337BD11577737225139" xlink:type="locator"/>
<definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_LineOfCredit_96D8498D2DD91337BD11577737225139" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_EF361881796EB54A494257773723A267" xlink:type="locator"/>
<definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_EF361881796EB54A494257773723A267" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="loc_us-gaap_LongTermDebtFairValue_2F5E7061FAF92D2EA2D9577737239121" xlink:type="locator"/>
<definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_60CDCD46CAC31FA8CF1F577737211AEC" xlink:to="loc_us-gaap_LongTermDebtFairValue_2F5E7061FAF92D2EA2D9577737239121" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/Derivatives" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/DerivativesDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_0C2E1F8C77BD660EC59FFB1E0DE295B3" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_A109BF7B98D0867656DEFB1E0DD3C563" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0C2E1F8C77BD660EC59FFB1E0DE295B3" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_A109BF7B98D0867656DEFB1E0DD3C563" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_B98C46735FE742BAC5FBFB1E0DD35BAB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_A109BF7B98D0867656DEFB1E0DD3C563" xlink:to="loc_us-gaap_HedgingDesignationAxis_B98C46735FE742BAC5FBFB1E0DD35BAB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_DF0F11696015EF6FEF52FB1E0DD39BFD_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_B98C46735FE742BAC5FBFB1E0DD35BAB" xlink:to="loc_us-gaap_HedgingDesignationDomain_DF0F11696015EF6FEF52FB1E0DD39BFD_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_DF0F11696015EF6FEF52FB1E0DD39BFD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_B98C46735FE742BAC5FBFB1E0DD35BAB" xlink:to="loc_us-gaap_HedgingDesignationDomain_DF0F11696015EF6FEF52FB1E0DD39BFD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_6D066D75150796294628FB1E0DD3623B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_DF0F11696015EF6FEF52FB1E0DD39BFD" xlink:to="loc_us-gaap_NondesignatedMember_6D066D75150796294628FB1E0DD3623B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="loc_us-gaap_DerivativeByNatureAxis_A18E86C547B86049DF38FB1E0DD3BFBE" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_A109BF7B98D0867656DEFB1E0DD3C563" xlink:to="loc_us-gaap_DerivativeByNatureAxis_A18E86C547B86049DF38FB1E0DD3BFBE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_A7F7F8A2213EB77782FEFB1E0DD307C9_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeByNatureAxis_A18E86C547B86049DF38FB1E0DD3BFBE" xlink:to="loc_us-gaap_DerivativeNameDomain_A7F7F8A2213EB77782FEFB1E0DD307C9_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_A7F7F8A2213EB77782FEFB1E0DD307C9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeByNatureAxis_A18E86C547B86049DF38FB1E0DD3BFBE" xlink:to="loc_us-gaap_DerivativeNameDomain_A7F7F8A2213EB77782FEFB1E0DD307C9" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_Aug2015InterestRateCapMember" xlink:label="loc_kar_Aug2015InterestRateCapMember_8FA15BC2F975D8AE900FFB1E0DD353B2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeNameDomain_A7F7F8A2213EB77782FEFB1E0DD307C9" xlink:to="loc_kar_Aug2015InterestRateCapMember_8FA15BC2F975D8AE900FFB1E0DD353B2" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_April2015InterestRateCapMember" xlink:label="loc_kar_April2015InterestRateCapMember_A54B4B4D5AE383218F33FB1E0DD3965B" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeNameDomain_A7F7F8A2213EB77782FEFB1E0DD307C9" xlink:to="loc_kar_April2015InterestRateCapMember_A54B4B4D5AE383218F33FB1E0DD3965B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_C6E0FDC00CBF2C55123BFB1E0DD35AF8" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_A109BF7B98D0867656DEFB1E0DD3C563" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_C6E0FDC00CBF2C55123BFB1E0DD35AF8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_3DC872403D2C7BCA9C27FB1E0DD3CEB8_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_C6E0FDC00CBF2C55123BFB1E0DD35AF8" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_3DC872403D2C7BCA9C27FB1E0DD3CEB8_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_3DC872403D2C7BCA9C27FB1E0DD3CEB8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_C6E0FDC00CBF2C55123BFB1E0DD35AF8" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_3DC872403D2C7BCA9C27FB1E0DD3CEB8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateCapMember" xlink:label="loc_us-gaap_InterestRateCapMember_17F29F2A1E41B020CE09FB1E0DD314EA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_3DC872403D2C7BCA9C27FB1E0DD3CEB8" xlink:to="loc_us-gaap_InterestRateCapMember_17F29F2A1E41B020CE09FB1E0DD314EA" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_AprilandAugust2015InterestRateCapsMember" xlink:label="loc_kar_AprilandAugust2015InterestRateCapsMember_27A5CE01676689BCE037FB1E0DE256DD" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_3DC872403D2C7BCA9C27FB1E0DD3CEB8" xlink:to="loc_kar_AprilandAugust2015InterestRateCapsMember_27A5CE01676689BCE037FB1E0DE256DD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_2161C0131B172E002DE1FB1E0DE2C4D8" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_A109BF7B98D0867656DEFB1E0DD3C563" xlink:to="loc_us-gaap_RangeAxis_2161C0131B172E002DE1FB1E0DE2C4D8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_10F4DA63688F76A9841FFB1E0DE2CE8B_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_2161C0131B172E002DE1FB1E0DE2C4D8" xlink:to="loc_us-gaap_RangeMember_10F4DA63688F76A9841FFB1E0DE2CE8B_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_10F4DA63688F76A9841FFB1E0DE2CE8B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_2161C0131B172E002DE1FB1E0DE2C4D8" xlink:to="loc_us-gaap_RangeMember_10F4DA63688F76A9841FFB1E0DE2CE8B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_BB6F5425C71B75205952FB1E0DE2807E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_10F4DA63688F76A9841FFB1E0DE2CE8B" xlink:to="loc_us-gaap_MinimumMember_BB6F5425C71B75205952FB1E0DE2807E" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_DerivativeNumberofInstrumentsPurchased" xlink:label="loc_kar_DerivativeNumberofInstrumentsPurchased_3E739D570664DB15D10FFB1E0DE24FBF" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0C2E1F8C77BD660EC59FFB1E0DE295B3" xlink:to="loc_kar_DerivativeNumberofInstrumentsPurchased_3E739D570664DB15D10FFB1E0DE24FBF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsOfDerivativeIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDerivativeIssuanceCosts_2D254242380C8E170560FB1E0DE2585F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0C2E1F8C77BD660EC59FFB1E0DE295B3" xlink:to="loc_us-gaap_PaymentsOfDerivativeIssuanceCosts_2D254242380C8E170560FB1E0DE2585F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_80985A6F9FF95D2693A8FB1E0DE2825B" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0C2E1F8C77BD660EC59FFB1E0DE295B3" xlink:to="loc_invest_DerivativeNotionalAmount_80985A6F9FF95D2693A8FB1E0DE2825B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_D43AD0807AA11D31189EFB1E0DE24945" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0C2E1F8C77BD660EC59FFB1E0DE295B3" xlink:to="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_D43AD0807AA11D31189EFB1E0DE24945" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeCapInterestRate" xlink:label="loc_us-gaap_DerivativeCapInterestRate_32C4B5B8BD53DAFA3B9AFB1E0DE29B3A" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0C2E1F8C77BD660EC59FFB1E0DE295B3" xlink:to="loc_us-gaap_DerivativeCapInterestRate_32C4B5B8BD53DAFA3B9AFB1E0DE29B3A" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_ChangeinDerivativeCapInterestRate" xlink:label="loc_kar_ChangeinDerivativeCapInterestRate_0DE2CA757DA433B6BC06FB1E0DE2647A" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0C2E1F8C77BD660EC59FFB1E0DE295B3" xlink:to="loc_kar_ChangeinDerivativeCapInterestRate_0DE2CA757DA433B6BC06FB1E0DE2647A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_B6A39B62B2205CBD3977FB1E0DE2FC55" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0C2E1F8C77BD660EC59FFB1E0DE295B3" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_B6A39B62B2205CBD3977FB1E0DE2FC55" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/DerivativesDetails2" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_16DCD0C0CD9BE33D2BB7CD1CA0DAF429" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_72334D4503BB725F4615CD1CA0DA9B4C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_16DCD0C0CD9BE33D2BB7CD1CA0DAF429" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_72334D4503BB725F4615CD1CA0DA9B4C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_0FB82198A6BC5A85A2B8CD1CA0DA8741" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_72334D4503BB725F4615CD1CA0DA9B4C" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_0FB82198A6BC5A85A2B8CD1CA0DA8741" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_D7D3EDD882191680DC22CD1CA0DA90F5_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_0FB82198A6BC5A85A2B8CD1CA0DA8741" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_D7D3EDD882191680DC22CD1CA0DA90F5_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_D7D3EDD882191680DC22CD1CA0DA90F5" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_0FB82198A6BC5A85A2B8CD1CA0DA8741" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_D7D3EDD882191680DC22CD1CA0DA90F5" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_AprilandAugust2015InterestRateCapsMember" xlink:label="loc_kar_AprilandAugust2015InterestRateCapsMember_B22B9C06CE12C81D09E5CD1CA0DA303F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_D7D3EDD882191680DC22CD1CA0DA90F5" xlink:to="loc_kar_AprilandAugust2015InterestRateCapsMember_B22B9C06CE12C81D09E5CD1CA0DA303F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_C0BE55D218BB99AF5EE6CD1CA0DAF6C7" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_72334D4503BB725F4615CD1CA0DA9B4C" xlink:to="loc_us-gaap_HedgingDesignationAxis_C0BE55D218BB99AF5EE6CD1CA0DAF6C7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_6EEF28ED2BA51372A7CACD1CA0DA8367_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_C0BE55D218BB99AF5EE6CD1CA0DAF6C7" xlink:to="loc_us-gaap_HedgingDesignationDomain_6EEF28ED2BA51372A7CACD1CA0DA8367_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_6EEF28ED2BA51372A7CACD1CA0DA8367" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_C0BE55D218BB99AF5EE6CD1CA0DAF6C7" xlink:to="loc_us-gaap_HedgingDesignationDomain_6EEF28ED2BA51372A7CACD1CA0DA8367" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_CBF31CEBF4F61C641463CD1CA0DA7C20" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_6EEF28ED2BA51372A7CACD1CA0DA8367" xlink:to="loc_us-gaap_NondesignatedMember_CBF31CEBF4F61C641463CD1CA0DA7C20" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_12D95441CF9D015FB403CD1CA0DA6D4C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_16DCD0C0CD9BE33D2BB7CD1CA0DAF429" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_12D95441CF9D015FB403CD1CA0DA6D4C" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/DerivativesTables" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/DocumentAndEntityInformation" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/FinanceReceivablesAndObligationsCollateralizedByFinanceReceivables" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/FinanceReceivablesAndObligationsCollateralizedByFinanceReceivablesDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems" xlink:label="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable" xlink:label="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_F77D8F9A7CC13192548C5777F75FE813" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:to="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_F77D8F9A7CC13192548C5777F75FE813" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_F9961A9689C845E3EAD85777F75FB3E2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_F77D8F9A7CC13192548C5777F75FE813" xlink:to="loc_dei_LegalEntityAxis_F9961A9689C845E3EAD85777F75FB3E2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_538CBB7EBEB0C1828E915777F75F09B3_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_F9961A9689C845E3EAD85777F75FB3E2" xlink:to="loc_dei_EntityDomain_538CBB7EBEB0C1828E915777F75F09B3_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_538CBB7EBEB0C1828E915777F75F09B3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_F9961A9689C845E3EAD85777F75FB3E2" xlink:to="loc_dei_EntityDomain_538CBB7EBEB0C1828E915777F75F09B3" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_AFCMember" xlink:label="loc_kar_AFCMember_87F18150294D292AE4E35777F75F8E7D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_538CBB7EBEB0C1828E915777F75F09B3" xlink:to="loc_kar_AFCMember_87F18150294D292AE4E35777F75F8E7D" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_AFCFundingCorporationMember" xlink:label="loc_kar_AFCFundingCorporationMember_FB7D780A10D82ABEF46F5777F75F9249" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_538CBB7EBEB0C1828E915777F75F09B3" xlink:to="loc_kar_AFCFundingCorporationMember_FB7D780A10D82ABEF46F5777F75F9249" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_AutomotiveFinanceCanadaIncMember" xlink:label="loc_kar_AutomotiveFinanceCanadaIncMember_28DEB2704FF58B8ED96B5777F75FFE5D" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_538CBB7EBEB0C1828E915777F75F09B3" xlink:to="loc_kar_AutomotiveFinanceCanadaIncMember_28DEB2704FF58B8ED96B5777F75FFE5D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_0E2F46EC7265BC38DE1F5777F75F0B05" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_F77D8F9A7CC13192548C5777F75FE813" xlink:to="loc_us-gaap_FinancialInstrumentAxis_0E2F46EC7265BC38DE1F5777F75F0B05" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_09C0CB3E79C8823DE0BE5777F75F9AE3_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_0E2F46EC7265BC38DE1F5777F75F0B05" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_09C0CB3E79C8823DE0BE5777F75F9AE3_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_09C0CB3E79C8823DE0BE5777F75F9AE3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_0E2F46EC7265BC38DE1F5777F75F0B05" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_09C0CB3E79C8823DE0BE5777F75F9AE3" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_FloorplanReceivablesMember" xlink:label="loc_kar_FloorplanReceivablesMember_1573A335E95394390FA75777F75F1A21" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_09C0CB3E79C8823DE0BE5777F75F9AE3" xlink:to="loc_kar_FloorplanReceivablesMember_1573A335E95394390FA75777F75F1A21" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_OtherLoansMember" xlink:label="loc_kar_OtherLoansMember_06EA8A00234F9E1B020E5777F75F24DA" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_09C0CB3E79C8823DE0BE5777F75F9AE3" xlink:to="loc_kar_OtherLoansMember_06EA8A00234F9E1B020E5777F75F24DA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_06F5EFC13E16E45A66085777F75F4CED" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable_F77D8F9A7CC13192548C5777F75FE813" xlink:to="loc_us-gaap_RangeAxis_06F5EFC13E16E45A66085777F75F4CED" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_ED584B136A70EB42CC585777F75F4577_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_06F5EFC13E16E45A66085777F75F4CED" xlink:to="loc_us-gaap_RangeMember_ED584B136A70EB42CC585777F75F4577_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_ED584B136A70EB42CC585777F75F4577" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_06F5EFC13E16E45A66085777F75F4CED" xlink:to="loc_us-gaap_RangeMember_ED584B136A70EB42CC585777F75F4577" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_D656F287BD907244F5B35777F75F4DBA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_ED584B136A70EB42CC585777F75F4577" xlink:to="loc_us-gaap_MinimumMember_D656F287BD907244F5B35777F75F4DBA" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_FinancingReceivableCommittedLiquidity" xlink:label="loc_kar_FinancingReceivableCommittedLiquidity_F6F31812CD9953BE398A5777F75F5FC9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:to="loc_kar_FinancingReceivableCommittedLiquidity_F6F31812CD9953BE398A5777F75F5FC9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_D8B02F168BA805013F6C5777F75FEC9E" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_D8B02F168BA805013F6C5777F75FEC9E" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_FinancingReceivablePastDueNumberOfDays" xlink:label="loc_kar_FinancingReceivablePastDueNumberOfDays_F81503AE2C87B2260DD65777F75F1EF8" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:to="loc_kar_FinancingReceivablePastDueNumberOfDays_F81503AE2C87B2260DD65777F75F1EF8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding" xlink:label="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_34CC2EDE753864F553CF5777F75F7CB7" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:to="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding_34CC2EDE753864F553CF5777F75F7CB7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod" xlink:label="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_B984814439439BAEB14E5777F75F33E8" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:to="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherDelinquentAmountAtEndOfPeriod_B984814439439BAEB14E5777F75F33E8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod" xlink:label="loc_us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod_F3E5776FDFACD3C3E6665777F7604FDB" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:to="loc_us-gaap_AssetsThatContinueToBeRecognizedSecuritizedOrAssetBackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherNetCreditLossesDuringPeriod_F3E5776FDFACD3C3E6665777F7604FDB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllowanceForNotesAndLoansReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_DD15435F107AA8ABBFE75777F7602398" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:to="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_DD15435F107AA8ABBFE75777F7602398" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables" xlink:label="loc_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_CE58D34F66D4479879E65777F760B024" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:to="loc_us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables_CE58D34F66D4479879E65777F760B024" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_CashReserveAsPercentageOfFinancingReceivableSecuritized" xlink:label="loc_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_9EE9E887767511F2DB2A5777F760EF5F" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:to="loc_kar_CashReserveAsPercentageOfFinancingReceivableSecuritized_9EE9E887767511F2DB2A5777F760EF5F" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount" xlink:label="loc_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_DE5BEF03170F68C957BC57AE59F9B36D" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:to="loc_kar_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesGrossAmount_DE5BEF03170F68C957BC57AE59F9B36D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_4E8D4452497A9E381D9C5777F760A975" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_4E8D4452497A9E381D9C5777F760A975" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount" xlink:label="loc_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_5E4DE7CB12219CDB0DDA5777F760327B" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherLineItems_86464D015118BD633E605777F75F5805" xlink:to="loc_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_5E4DE7CB12219CDB0DDA5777F760327B" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/FinanceReceivablesAndObligationsCollateralizedByFinanceReceivablesTables" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/LongTermDebt" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/LongTermDebtSummaryDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_01F71E3BEFB62B5707F4577737123541" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_2FA4D8EA126C14F597A057773710C6D8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_01F71E3BEFB62B5707F4577737123541" xlink:to="loc_us-gaap_DebtInstrumentTable_2FA4D8EA126C14F597A057773710C6D8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="kar-20160331.xsd#kar_LongtermDebtCreditAgreementAxis" xlink:label="loc_kar_LongtermDebtCreditAgreementAxis_653625EC4D9C7A9ABD5957773711BE27" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2FA4D8EA126C14F597A057773710C6D8" xlink:to="loc_kar_LongtermDebtCreditAgreementAxis_653625EC4D9C7A9ABD5957773711BE27" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_LongtermDebtCreditAgreementDomain" xlink:label="loc_kar_LongtermDebtCreditAgreementDomain_C4D927CD7B99A53A67C7577737111C12_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_kar_LongtermDebtCreditAgreementAxis_653625EC4D9C7A9ABD5957773711BE27" xlink:to="loc_kar_LongtermDebtCreditAgreementDomain_C4D927CD7B99A53A67C7577737111C12_default" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_LongtermDebtCreditAgreementDomain" xlink:label="loc_kar_LongtermDebtCreditAgreementDomain_C4D927CD7B99A53A67C7577737111C12" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_kar_LongtermDebtCreditAgreementAxis_653625EC4D9C7A9ABD5957773711BE27" xlink:to="loc_kar_LongtermDebtCreditAgreementDomain_C4D927CD7B99A53A67C7577737111C12" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_CreditAgreementMember" xlink:label="loc_kar_CreditAgreementMember_1F7F6F46DAC15F1883CD577737110B71" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_kar_LongtermDebtCreditAgreementDomain_C4D927CD7B99A53A67C7577737111C12" xlink:to="loc_kar_CreditAgreementMember_1F7F6F46DAC15F1883CD577737110B71" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_C1BCB2F534D265586ADA57773711DD08" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2FA4D8EA126C14F597A057773710C6D8" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_C1BCB2F534D265586ADA57773711DD08" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_D135011C9E22D7F3694B577737112B17_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_C1BCB2F534D265586ADA57773711DD08" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_D135011C9E22D7F3694B577737112B17_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_D135011C9E22D7F3694B577737112B17" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_C1BCB2F534D265586ADA57773711DD08" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_D135011C9E22D7F3694B577737112B17" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_TermLoanB1Member" xlink:label="loc_kar_TermLoanB1Member_BD0F0BFD7DE841F569EA577737111CA2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D135011C9E22D7F3694B577737112B17" xlink:to="loc_kar_TermLoanB1Member_BD0F0BFD7DE841F569EA577737111CA2" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_TermLoanB2Member" xlink:label="loc_kar_TermLoanB2Member_14FEDCE9ABD448D2A0F357773712DC1B" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D135011C9E22D7F3694B577737112B17" xlink:to="loc_kar_TermLoanB2Member_14FEDCE9ABD448D2A0F357773712DC1B" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_TermLoanB3Member" xlink:label="loc_kar_TermLoanB3Member_AFA15EE7ADC62384D7DB57773712CF5E" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D135011C9E22D7F3694B577737112B17" xlink:to="loc_kar_TermLoanB3Member_AFA15EE7ADC62384D7DB57773712CF5E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_ED5F1E335D4F2574AD06577737125106" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D135011C9E22D7F3694B577737112B17" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_ED5F1E335D4F2574AD06577737125106" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_OldRevolvingCreditFacilityMember" xlink:label="loc_kar_OldRevolvingCreditFacilityMember_B3B1FAD4644D3A60A65757773712ABF8" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D135011C9E22D7F3694B577737112B17" xlink:to="loc_kar_OldRevolvingCreditFacilityMember_B3B1FAD4644D3A60A65757773712ABF8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignLineOfCreditMember" xlink:label="loc_us-gaap_ForeignLineOfCreditMember_E3BB2D12364CC7747436577737129A08" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D135011C9E22D7F3694B577737112B17" xlink:to="loc_us-gaap_ForeignLineOfCreditMember_E3BB2D12364CC7747436577737129A08" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_9510164D917CCAD0E97F57773712FAFE" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2FA4D8EA126C14F597A057773710C6D8" xlink:to="loc_us-gaap_VariableRateAxis_9510164D917CCAD0E97F57773712FAFE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_0B5F96D3F7D28C84F903577737129262_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_9510164D917CCAD0E97F57773712FAFE" xlink:to="loc_us-gaap_VariableRateDomain_0B5F96D3F7D28C84F903577737129262_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_0B5F96D3F7D28C84F903577737129262" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_9510164D917CCAD0E97F57773712FAFE" xlink:to="loc_us-gaap_VariableRateDomain_0B5F96D3F7D28C84F903577737129262" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_120877237B9E32A65DC5577737122096" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_0B5F96D3F7D28C84F903577737129262" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_120877237B9E32A65DC5577737122096" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember" xlink:label="loc_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_5D84CF0358E4548BFA295777371293B4" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_0B5F96D3F7D28C84F903577737129262" xlink:to="loc_kar_DebtInstrumentVariableRateBaseAdjustedLIBORMember_5D84CF0358E4548BFA295777371293B4" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_DebtInstrumentCanadianPrimeRateMember" xlink:label="loc_kar_DebtInstrumentCanadianPrimeRateMember_979662398A2C72EFFCC85777371293FC" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_0B5F96D3F7D28C84F903577737129262" xlink:to="loc_kar_DebtInstrumentCanadianPrimeRateMember_979662398A2C72EFFCC85777371293FC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_74167D0A5A16875EF13C577737126EEE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_01F71E3BEFB62B5707F4577737123541" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_74167D0A5A16875EF13C577737126EEE" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_UnamortizedDebtIssuanceCostsandUnamortizedDebtDiscounts" xlink:label="loc_kar_UnamortizedDebtIssuanceCostsandUnamortizedDebtDiscounts_425DC769E585FDE2DECD57773712D2B8" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_01F71E3BEFB62B5707F4577737123541" xlink:to="loc_kar_UnamortizedDebtIssuanceCostsandUnamortizedDebtDiscounts_425DC769E585FDE2DECD57773712D2B8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_DB2F20D4824C4B22CB5857773712DF01" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_01F71E3BEFB62B5707F4577737123541" xlink:to="loc_us-gaap_LongTermDebtCurrent_DB2F20D4824C4B22CB5857773712DF01" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_41948B832E21EB369A3D57773713C413" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_01F71E3BEFB62B5707F4577737123541" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_41948B832E21EB369A3D57773713C413" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_9E5821898879BAC81B8C577737133C1F" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_01F71E3BEFB62B5707F4577737123541" xlink:to="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_9E5821898879BAC81B8C577737133C1F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_927A682A28FC40ED755F577737135D3A" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_01F71E3BEFB62B5707F4577737123541" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_927A682A28FC40ED755F577737135D3A" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/LongTermDebtTables" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/NetIncomePerShare" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/NetIncomePerShareDetails" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/NetIncomePerShareTables" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/SegmentInformation" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/SegmentInformationDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6DB7CD932CEFAF7729C9CD25081CFAC7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6DB7CD932CEFAF7729C9CD25081CFAC7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_8049C594DA130F83A296CD25081C0EDA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6DB7CD932CEFAF7729C9CD25081CFAC7" xlink:to="loc_us-gaap_ConsolidationItemsAxis_8049C594DA130F83A296CD25081C0EDA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_B8080870FF56E86D258DCD25081C1C4D_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConsolidationItemsAxis_8049C594DA130F83A296CD25081C0EDA" xlink:to="loc_us-gaap_ConsolidationItemsDomain_B8080870FF56E86D258DCD25081C1C4D_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_B8080870FF56E86D258DCD25081C1C4D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConsolidationItemsAxis_8049C594DA130F83A296CD25081C0EDA" xlink:to="loc_us-gaap_ConsolidationItemsDomain_B8080870FF56E86D258DCD25081C1C4D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_88C7BA8A5760FD7E6843CD25081CDB1F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_B8080870FF56E86D258DCD25081C1C4D" xlink:to="loc_us-gaap_OperatingSegmentsMember_88C7BA8A5760FD7E6843CD25081CDB1F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CorporateNonSegmentMember" xlink:label="loc_us-gaap_CorporateNonSegmentMember_0B5AF46751B06DB5C2F3CD25081C92D8" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_B8080870FF56E86D258DCD25081C1C4D" xlink:to="loc_us-gaap_CorporateNonSegmentMember_0B5AF46751B06DB5C2F3CD25081C92D8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_B71B7655033013AC03FACD25081CD390" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6DB7CD932CEFAF7729C9CD25081CFAC7" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_B71B7655033013AC03FACD25081CD390" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_C90574BABA2517F27F94CD25081CB7BB_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_B71B7655033013AC03FACD25081CD390" xlink:to="loc_us-gaap_SegmentDomain_C90574BABA2517F27F94CD25081CB7BB_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_C90574BABA2517F27F94CD25081CB7BB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_B71B7655033013AC03FACD25081CD390" xlink:to="loc_us-gaap_SegmentDomain_C90574BABA2517F27F94CD25081CB7BB" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_ADESAAuctionsMember" xlink:label="loc_kar_ADESAAuctionsMember_CD38147BF8BD08937CBFCD25081C38D6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_C90574BABA2517F27F94CD25081CB7BB" xlink:to="loc_kar_ADESAAuctionsMember_CD38147BF8BD08937CBFCD25081C38D6" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_IAAMember" xlink:label="loc_kar_IAAMember_D6DC61BE7A07EB09CC43CD25081C5886" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_C90574BABA2517F27F94CD25081CB7BB" xlink:to="loc_kar_IAAMember_D6DC61BE7A07EB09CC43CD25081C5886" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_AFCMember" xlink:label="loc_kar_AFCMember_C383BFA4AEFCE52A68F3CD25081CD056" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_C90574BABA2517F27F94CD25081CB7BB" xlink:to="loc_kar_AFCMember_C383BFA4AEFCE52A68F3CD25081CD056" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_AdesaAuctionServicesRevenues" xlink:label="loc_kar_AdesaAuctionServicesRevenues_AFF1593F36715B1C1D6FCD25081C592C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_kar_AdesaAuctionServicesRevenues_AFF1593F36715B1C1D6FCD25081C592C" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_IaaSalvageServicesRevenues" xlink:label="loc_kar_IaaSalvageServicesRevenues_CE1ED832B546C63FE44ECD25081C1941" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_kar_IaaSalvageServicesRevenues_CE1ED832B546C63FE44ECD25081C1941" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_AfcRevenues" xlink:label="loc_kar_AfcRevenues_05A5E3F0D55808AA16C7CD25081C6D57" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_kar_AfcRevenues_05A5E3F0D55808AA16C7CD25081C6D57" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SalesRevenueServicesNet" xlink:label="loc_us-gaap_SalesRevenueServicesNet_B192E9926A6E2E300190CD25081CB2BF" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_us-gaap_SalesRevenueServicesNet_B192E9926A6E2E300190CD25081CB2BF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_2D472E4640A45C74744ECD25081CD153" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_us-gaap_OperatingExpensesAbstract_2D472E4640A45C74744ECD25081CD153" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfServicesExcludingDepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_CostOfServicesExcludingDepreciationDepletionAndAmortization_DD8CF1C96CDDE40CF747CD25081CBD9A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_2D472E4640A45C74744ECD25081CD153" xlink:to="loc_us-gaap_CostOfServicesExcludingDepreciationDepletionAndAmortization_DD8CF1C96CDDE40CF747CD25081CBD9A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_35C7B381AFB21A1F4111CD25081C67FC" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_2D472E4640A45C74744ECD25081CD153" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_35C7B381AFB21A1F4111CD25081C67FC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_550E02AFCC8922FCDAC2CD25081C616D" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_2D472E4640A45C74744ECD25081CD153" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_550E02AFCC8922FCDAC2CD25081C616D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_E606ED7C090F86ED3D21CD25081C2D78" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_2D472E4640A45C74744ECD25081CD153" xlink:to="loc_us-gaap_CostsAndExpenses_E606ED7C090F86ED3D21CD25081C2D78" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_88DD615BD229766B68A4CD25081DE41A" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_us-gaap_OperatingIncomeLoss_88DD615BD229766B68A4CD25081DE41A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_FD2D1A9D48A7CE8F8618CD25081D75AD" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_us-gaap_InterestExpense_FD2D1A9D48A7CE8F8618CD25081D75AD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_0175D69159F133518EB3CD25081DCEF8" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_0175D69159F133518EB3CD25081DCEF8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_458DF83605A29D0FB281CD25081DA073" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_458DF83605A29D0FB281CD25081DA073" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_IntercompanyIncomeExpense" xlink:label="loc_kar_IntercompanyIncomeExpense_A58F411A101763551331CD25081DB047" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_kar_IntercompanyIncomeExpense_A58F411A101763551331CD25081DB047" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_AD373E5E6A473F51E43BCD25081D931A" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_AD373E5E6A473F51E43BCD25081D931A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_D89E5B80D29C8A9472D2CD25081DE6DB" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_D89E5B80D29C8A9472D2CD25081DE6DB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_CD0BF3DB5743AF77EAD6CD25081D1D2C" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_us-gaap_NetIncomeLoss_CD0BF3DB5743AF77EAD6CD25081D1D2C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_485C317036426D40B62ACD25081DF714" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_F201E3EC0460C69C40BBCD25081CBC0C" xlink:to="loc_us-gaap_Assets_485C317036426D40B62ACD25081DF714" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/SegmentInformationTables" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/ShareRepurchasePlanDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_F3E79173DE6246E7BC04FB17CE44BC82" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1FD37B658B4CD4DBBF30FB17CE4402B1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_F3E79173DE6246E7BC04FB17CE44BC82" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1FD37B658B4CD4DBBF30FB17CE4402B1" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_46AE0AC89D9D59A505ABFB17CE4432F8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1FD37B658B4CD4DBBF30FB17CE4402B1" xlink:to="loc_us-gaap_ShareRepurchaseProgramAxis_46AE0AC89D9D59A505ABFB17CE4432F8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_31B05C64220A8782DBD1FB17CE449A08_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_46AE0AC89D9D59A505ABFB17CE4432F8" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_31B05C64220A8782DBD1FB17CE449A08_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_31B05C64220A8782DBD1FB17CE449A08" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_46AE0AC89D9D59A505ABFB17CE4432F8" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_31B05C64220A8782DBD1FB17CE449A08" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_OpenMarketShareRepurchasesMember" xlink:label="loc_kar_OpenMarketShareRepurchasesMember_F976D4BA41D74EBD7C76FB17CE440D73" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_31B05C64220A8782DBD1FB17CE449A08" xlink:to="loc_kar_OpenMarketShareRepurchasesMember_F976D4BA41D74EBD7C76FB17CE440D73" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_AcceleratedShareRepurchaseAgreementRepurchasesMember" xlink:label="loc_kar_AcceleratedShareRepurchaseAgreementRepurchasesMember_1B4AD6B8C5702A1B38A8FB17CE44DF39" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_31B05C64220A8782DBD1FB17CE449A08" xlink:to="loc_kar_AcceleratedShareRepurchaseAgreementRepurchasesMember_1B4AD6B8C5702A1B38A8FB17CE44DF39" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8A6DC8D6F7E6FB9CE9C0FB17CE4440C3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_F3E79173DE6246E7BC04FB17CE44BC82" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8A6DC8D6F7E6FB9CE9C0FB17CE4440C3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_81F224EC28018B3D437CFB17CE44BDCB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8A6DC8D6F7E6FB9CE9C0FB17CE4440C3" xlink:to="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_81F224EC28018B3D437CFB17CE44BDCB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_408918C0FE3BB21146BCFB17CE44D85C" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8A6DC8D6F7E6FB9CE9C0FB17CE4440C3" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_408918C0FE3BB21146BCFB17CE44D85C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockRepurchaseProgramExpirationDate" xlink:label="loc_us-gaap_StockRepurchaseProgramExpirationDate_EAC84CC3CFD89DF44D38FB17CE446E02" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8A6DC8D6F7E6FB9CE9C0FB17CE4440C3" xlink:to="loc_us-gaap_StockRepurchaseProgramExpirationDate_EAC84CC3CFD89DF44D38FB17CE446E02" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_40E4BC9EE5B628572BF5FB17CE44F1ED" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8A6DC8D6F7E6FB9CE9C0FB17CE4440C3" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_40E4BC9EE5B628572BF5FB17CE44F1ED" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_StockRepurchasedandRetiredWeightedAveragePricePerShare" xlink:label="loc_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_D0BDFCD20144214A3B9CFB17CE4402B4" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8A6DC8D6F7E6FB9CE9C0FB17CE4440C3" xlink:to="loc_kar_StockRepurchasedandRetiredWeightedAveragePricePerShare_D0BDFCD20144214A3B9CFB17CE4402B4" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_StockRepurchasedandRetiredDuringPeriodValueunderAcceleratedShareRepurchaseAgreement" xlink:label="loc_kar_StockRepurchasedandRetiredDuringPeriodValueunderAcceleratedShareRepurchaseAgreement_70BD823279A44F39630DFB17CE442629" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8A6DC8D6F7E6FB9CE9C0FB17CE4440C3" xlink:to="loc_kar_StockRepurchasedandRetiredDuringPeriodValueunderAcceleratedShareRepurchaseAgreement_70BD823279A44F39630DFB17CE442629" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_PercentofStockRepurchasedunderAcceleratedShareRepurchaseAgreement" xlink:label="loc_kar_PercentofStockRepurchasedunderAcceleratedShareRepurchaseAgreement_1BA49795D146B91550ACFB17CE44589F" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_8A6DC8D6F7E6FB9CE9C0FB17CE4440C3" xlink:to="loc_kar_PercentofStockRepurchasedunderAcceleratedShareRepurchaseAgreement_1BA49795D146B91550ACFB17CE44589F" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/StockAndStockBasedCompensationPlanSummaryDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_E6AE2995398C06954C94FB17CD584597" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_DA30A2EA4356EA12BD28FB17CD533DD0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_E6AE2995398C06954C94FB17CD584597" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_DA30A2EA4356EA12BD28FB17CD533DD0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_3584F071BE344E447D07FB17CD53D3C9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_DA30A2EA4356EA12BD28FB17CD533DD0" xlink:to="loc_us-gaap_PlanNameAxis_3584F071BE344E447D07FB17CD53D3C9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_8C58A6B900F247961C4DFB17CD53ED36_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_3584F071BE344E447D07FB17CD53D3C9" xlink:to="loc_us-gaap_PlanNameDomain_8C58A6B900F247961C4DFB17CD53ED36_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_8C58A6B900F247961C4DFB17CD53ED36" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_3584F071BE344E447D07FB17CD53D3C9" xlink:to="loc_us-gaap_PlanNameDomain_8C58A6B900F247961C4DFB17CD53ED36" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member" xlink:label="loc_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_89E1AE70FFC154365D20FB17CD53B077" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_8C58A6B900F247961C4DFB17CD53ED36" xlink:to="loc_kar_KARAuctionServicesIncOmnibusStockAndIncentivePlan2009Member_89E1AE70FFC154365D20FB17CD53B077" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_ADE8E160FCBD374953C5FB17CD53D847" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_DA30A2EA4356EA12BD28FB17CD533DD0" xlink:to="loc_us-gaap_AwardTypeAxis_ADE8E160FCBD374953C5FB17CD53D847" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6095BA56A77B0ADC9D26FB17CD53B54B_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_ADE8E160FCBD374953C5FB17CD53D847" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6095BA56A77B0ADC9D26FB17CD53B54B_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6095BA56A77B0ADC9D26FB17CD53B54B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_ADE8E160FCBD374953C5FB17CD53D847" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6095BA56A77B0ADC9D26FB17CD53B54B" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_PRSUsOperatingAdjustedEPSMember" xlink:label="loc_kar_PRSUsOperatingAdjustedEPSMember_28138EAB6E05047BB4B9FB1C76779860" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6095BA56A77B0ADC9D26FB17CD53B54B" xlink:to="loc_kar_PRSUsOperatingAdjustedEPSMember_28138EAB6E05047BB4B9FB1C76779860" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_PRSUsMember" xlink:label="loc_kar_PRSUsMember_39B80E029CB139B53AFBFB17CD53A330" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6095BA56A77B0ADC9D26FB17CD53B54B" xlink:to="loc_kar_PRSUsMember_39B80E029CB139B53AFBFB17CD53A330" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_0A2C988BEE35E088C727FB17CD53FB3B" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6095BA56A77B0ADC9D26FB17CD53B54B" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_0A2C988BEE35E088C727FB17CD53FB3B" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_ServiceOptionsMember" xlink:label="loc_kar_ServiceOptionsMember_7AA9AFB0765AC6D96384FB17CD533983" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6095BA56A77B0ADC9D26FB17CD53B54B" xlink:to="loc_kar_ServiceOptionsMember_7AA9AFB0765AC6D96384FB17CD533983" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_PRSUsOperatingAdjustedEPSandRSUsMember" xlink:label="loc_kar_PRSUsOperatingAdjustedEPSandRSUsMember_4A63A731010B3E286E74FB2016A369FF" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6095BA56A77B0ADC9D26FB17CD53B54B" xlink:to="loc_kar_PRSUsOperatingAdjustedEPSandRSUsMember_4A63A731010B3E286E74FB2016A369FF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_CF39D718DE011F9A576CFB17CD584175" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_E6AE2995398C06954C94FB17CD584597" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_CF39D718DE011F9A576CFB17CD584175" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_A208005934BB329F44F9FB17CD588CFA" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_E6AE2995398C06954C94FB17CD584597" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_A208005934BB329F44F9FB17CD588CFA" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting" xlink:label="loc_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_51E3E717758AA301169FFB17CD587EFA" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_E6AE2995398C06954C94FB17CD584597" xlink:to="loc_kar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEqualAnnualInstallmentsForAwardVesting_51E3E717758AA301169FFB17CD587EFA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_60E7A1668BF42E0EDC1FFB17CD58E986" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_E6AE2995398C06954C94FB17CD584597" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_60E7A1668BF42E0EDC1FFB17CD58E986" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_01821E0CABB09865FD15FB17CD581CB6" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_E6AE2995398C06954C94FB17CD584597" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_01821E0CABB09865FD15FB17CD581CB6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_3F1DF2710F5B18EF95E0FB17CD5BCF85" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_E6AE2995398C06954C94FB17CD584597" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_3F1DF2710F5B18EF95E0FB17CD5BCF85" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://karauctionservices.com/role/StockAndStockBasedCompensationPlans" xlink:type="extended"/>
<definitionLink xlink:role="http://karauctionservices.com/role/StockAndStockBasedCompensationPlansTables" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_A2B5428147C3B2DC430ECD24BD7FD548" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_084DEF1D8B2B254E0908CD1E14F0408F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_A2B5428147C3B2DC430ECD24BD7FD548" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_084DEF1D8B2B254E0908CD1E14F0408F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_097ABFBAF725B49063C0CD1E14F0EFD8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_084DEF1D8B2B254E0908CD1E14F0408F" xlink:to="loc_us-gaap_AwardTypeAxis_097ABFBAF725B49063C0CD1E14F0EFD8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8E93C287BBECC88D1B10CD1E14F02A39_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_097ABFBAF725B49063C0CD1E14F0EFD8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8E93C287BBECC88D1B10CD1E14F02A39_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8E93C287BBECC88D1B10CD1E14F02A39" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_097ABFBAF725B49063C0CD1E14F0EFD8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8E93C287BBECC88D1B10CD1E14F02A39" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_PRSUsMember" xlink:label="loc_kar_PRSUsMember_E45D1FFC124BF96F4D8ECD1E14F0CD73" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8E93C287BBECC88D1B10CD1E14F02A39" xlink:to="loc_kar_PRSUsMember_E45D1FFC124BF96F4D8ECD1E14F0CD73" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_5EFD963D78DEB03F2320CD1E14F1CF02" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8E93C287BBECC88D1B10CD1E14F02A39" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_5EFD963D78DEB03F2320CD1E14F1CF02" xlink:type="arc"/>
<loc xlink:href="kar-20160331.xsd#kar_ServiceOptionsMember" xlink:label="loc_kar_ServiceOptionsMember_C59684DA582D0B2CD209CD1E14F14CE6" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8E93C287BBECC88D1B10CD1E14F02A39" xlink:to="loc_kar_ServiceOptionsMember_C59684DA582D0B2CD209CD1E14F14CE6" xlink:type="arc"/>
</definitionLink>
</linkbase>

↑Top
Filing Submission 0001395942-16-000292   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Wed., May 15, 4:49:56.1pm ET