-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 HpfV4PYlSEH5YTQ2kQOjdnRK86hargrVkcqu0J4sWttEd7bFG9IgXWEVR+CC+Hqd
 /PqWlqIB7uVXdE0XO+f6fA==

<SEC-DOCUMENT>0000028412-03-000058.txt : 20031114
<SEC-HEADER>0000028412-03-000058.hdr.sgml : 20031114
<ACCEPTANCE-DATETIME>20031114153435
ACCESSION NUMBER:		0000028412-03-000058
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031113
FILED AS OF DATE:		20031114

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BERAN JOHN R
		CENTRAL INDEX KEY:			0001208324

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10706
		FILM NUMBER:		031004151

	BUSINESS ADDRESS:	
		STREET 1:		30 CABOT PLACE
		CITY:			BLOOMFIELD HILLS
		STATE:			MI
		ZIP:			48304

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COMERICA INC /NEW/
		CENTRAL INDEX KEY:			0000028412
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				381998421
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		500 WOODWARD AVENUE MC 3391
		STREET 2:		COMERICA TOWER AVE1ST FL
		CITY:			DETROIT
		STATE:			MI
		ZIP:			48226-3509
		BUSINESS PHONE:		313 222-9743

	MAIL ADDRESS:	
		STREET 1:		411 WEST LAFAYETTE MC 3419
		STREET 2:		ATTN: BRAD SCHWARTZ
		CITY:			DETROIT
		STATE:			MI
		ZIP:			48226-3419

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DETROITBANK CORP
		DATE OF NAME CHANGE:	19850311
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>f4100063031114_155634560.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2003-11-13</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000028412</issuerCik>
        <issuerName>COMERICA INC /NEW/</issuerName>
        <issuerTradingSymbol>CMA</issuerTradingSymbol>
</issuer>
<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001208324</rptOwnerCik>
            <rptOwnerName>BERAN JOHN R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>500 WOODWARD AVE.</rptOwnerStreet1>
            <rptOwnerStreet2>31ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>DETROIT</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>48226</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector>
<isOfficer>1</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle>EVP/Chief Information Officer</officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable>
<nonDerivativeTransaction>
<securityTitle>
<value>Common Stock</value>
</securityTitle>
<transactionDate>
<value>2003-11-13</value>
</transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>S</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionTimeliness>
<value></value>
</transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value>4000</value>
</transactionShares>
<transactionPricePerShare>
<value>52.53</value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode>
<value>D</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>0</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>I</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value>By trust</value>
<footnoteId id="F3"/>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeTransaction>
<nonDerivativeHolding>
<securityTitle>
<value>Common Stock</value>
</securityTitle>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>34248</value>
<footnoteId id="F1"/>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeHolding>
<nonDerivativeHolding>
<securityTitle>
<value>Common Stock</value>
</securityTitle>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>911</value>
<footnoteId id="F2"/>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>I</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value>By 401(k) plan</value>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeHolding>
</nonDerivativeTable>
<derivativeTable>
<derivativeHolding>
<securityTitle>
<value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice>
<value>25.42</value>
</conversionOrExercisePrice>
<exerciseDate>
<value>1997-01-17</value>
<footnoteId id="F4"/>
</exerciseDate>
<expirationDate>
<value>2006-04-14</value>
</expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares>
<value>9300</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>9300</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding>
<securityTitle>
<value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice>
<value>40.25</value>
</conversionOrExercisePrice>
<exerciseDate>
<value>1998-01-20</value>
<footnoteId id="F4"/>
</exerciseDate>
<expirationDate>
<value>2007-04-20</value>
</expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares>
<value>16500</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>16500</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding>
<securityTitle>
<value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice>
<value>71.58</value>
</conversionOrExercisePrice>
<exerciseDate>
<value>1999-01-15</value>
<footnoteId id="F4"/>
</exerciseDate>
<expirationDate>
<value>2008-03-20</value>
</expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares>
<value>15000</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>15000</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding>
<securityTitle>
<value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice>
<value>66.81</value>
</conversionOrExercisePrice>
<exerciseDate>
<value>2000-01-14</value>
<footnoteId id="F4"/>
</exerciseDate>
<expirationDate>
<value>2009-03-19</value>
</expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares>
<value>20000</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>20000</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding>
<securityTitle>
<value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice>
<value>41.5</value>
</conversionOrExercisePrice>
<exerciseDate>
<value>2001-01-19</value>
<footnoteId id="F4"/>
</exerciseDate>
<expirationDate>
<value>2010-03-17</value>
</expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares>
<value>17400</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>17400</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding>
<securityTitle>
<value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice>
<value>51.43</value>
</conversionOrExercisePrice>
<exerciseDate>
<value>2002-01-22</value>
<footnoteId id="F4"/>
</exerciseDate>
<expirationDate>
<value>2011-05-02</value>
</expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares>
<value>15800</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>15800</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding>
<securityTitle>
<value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice>
<value>63.2</value>
</conversionOrExercisePrice>
<exerciseDate>
<value>2003-01-21</value>
<footnoteId id="F4"/>
</exerciseDate>
<expirationDate>
<value>2012-04-17</value>
</expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares>
<value>26000</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>26000</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding>
<securityTitle>
<value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice>
<value>40.32</value>
</conversionOrExercisePrice>
<exerciseDate>
<value>2004-01-27</value>
<footnoteId id="F4"/>
</exerciseDate>
<expirationDate>
<value>2013-04-17</value>
</expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares>
<value>35000</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>35000</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeHolding>
</derivativeTable>
<footnotes>
<footnote id="F1">This number includes shares purchased under the CMA dividend investment plan and shares acquired through employee stock plans as of July 25, 2003.</footnote>
<footnote id="F2">As of July 25, 2003.</footnote>
<footnote id="F3">These shares are held in a trust for the benefit of the reporting person's spouse.  Neither the reporting person nor his spouse is trustee, and the reporting person disclaims beneficial ownership of these shares.  They are being disclosed voluntarily in accordance with new internal company policies.  This report shall not be deemed an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.</footnote>
<footnote id="F4">The options vest in four equal annual installments beginning on the date indicated in this column.</footnote>
</footnotes>
<ownerSignature>
<signatureName>/s/ Carol H. Rodriguez, on behalf of John R. Beran</signatureName>
<signatureDate>2003-11-14</signatureDate>
</ownerSignature>
</ownershipDocument>

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