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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 BP5yfzIPQBuOSBHtEhFPo/IiS2YVYAoJRQco7JZBJCe8d/Krxic411tPlIj0U5Z1
 YbpJcPEnbRZDGvWjni2fYg==

<SEC-DOCUMENT>0001209191-03-036055.txt : 20031219
<SEC-HEADER>0001209191-03-036055.hdr.sgml : 20031219
<ACCEPTANCE-DATETIME>20031219165747
ACCESSION NUMBER:		0001209191-03-036055
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031218
FILED AS OF DATE:		20031219

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SIMMET DAVID S
		CENTRAL INDEX KEY:			0001220537

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20202
		FILM NUMBER:		031065821

	MAIL ADDRESS:	
		STREET 1:		25505 WEST TWELVE MILE ROAD
		CITY:			SOUTHFIELD
		STATE:			MI
		ZIP:			48034

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CREDIT ACCEPTANCE CORPORATION
		CENTRAL INDEX KEY:			0000885550
		STANDARD INDUSTRIAL CLASSIFICATION:	PERSONAL CREDIT INSTITUTIONS [6141]
		IRS NUMBER:				381999511
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		25505 W TWELVE MILE RD
		STREET 2:		STE 3000
		CITY:			SOUTHFIELD
		STATE:			MI
		ZIP:			48034-8334
		BUSINESS PHONE:		8103532700

	MAIL ADDRESS:	
		STREET 1:		25505 WEST TWELVE MILE ROAD
		STREET 2:		SUITE 3000
		CITY:			SOUTHFIELD
		STATE:			MI
		ZIP:			48034-8334
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>bde81710_bde1dss.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-12-18</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000885550</issuerCik><issuerName>CREDIT ACCEPTANCE CORPORATION</issuerName>        <issuerTradingSymbol>CACC</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001220537</rptOwnerCik><rptOwnerName>SIMMET DAVID S</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>25505 WEST TWELVE MILE ROAD</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>SOUTHFIELD</rptOwnerCity><rptOwnerState>MI</rptOwnerState><rptOwnerZipCode>48034</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Chief Information Officer</officerTitle></reportingOwnerRelationship>
</reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common stock</value></securityTitle><transactionDate><value>2003-12-18</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>3709</value></transactionShares><transactionPricePerShare><value>11.50</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4884</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common stock</value></securityTitle><transactionDate><value>2003-12-18</value></transactionDate><transactionCo
ding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>3709</value></transactionShares><transactionPricePerShare><value>14.90</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1175</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Employee Stock Options</value></securityTitle><conversionOrExercisePrice><value>11.50</value></conversionOrExercisePrice><transactionDate><value>2003-12-18</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transa
ctionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>3709</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><footnoteId id="F1" /></exerciseDate><expirationDate><value>2004-01-24</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>3709</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1175</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">The options became exercisable as follows: 375 shares on 1/24/1995; 1,667 shares on 1/24
/1996; 1,667 shares on 1/24/1997.</footnote></footnotes><ownerSignature><signatureName>/s/ David S. Simmet</signatureName><signatureDate>2003-12-19</signatureDate></ownerSignature></ownershipDocument>

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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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