-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 A1nIPlimZ2NyJTDXrpLdlfBpz9GMU3mEySjsFQdKZQvXWcVNmL53O22eT11Q2Co4
 XZB+lktvK9shvbUnFV1QPQ==

<SEC-DOCUMENT>0000095304-03-000070.txt : 20031211
<SEC-HEADER>0000095304-03-000070.hdr.sgml : 20031211
<ACCEPTANCE-DATETIME>20031211132018
ACCESSION NUMBER:		0000095304-03-000070
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031209
FILED AS OF DATE:		20031211

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DELANEY TERENCE P
		CENTRAL INDEX KEY:			0001213296

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06841
		FILM NUMBER:		031049130

	BUSINESS ADDRESS:	
		STREET 1:		1801 MARKET ST
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SUNOCO INC
		CENTRAL INDEX KEY:			0000095304
		STANDARD INDUSTRIAL CLASSIFICATION:	PETROLEUM REFINING [2911]
		IRS NUMBER:				231743282
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		TEN PENN CENTER
		STREET 2:		1801 MARKET ST
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103-1699
		BUSINESS PHONE:		2159773000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SUN CO INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SUN OIL CO
		DATE OF NAME CHANGE:	19760608
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001213296d20031211f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-12-09</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000095304</issuerCik><issuerName>SUNOCO INC</issuerName>        <issuerTradingSymbol>SUN</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001213296</rptOwnerCik><rptOwnerName>DELANEY TERENCE P</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>1801 MARKET STREET</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>PHILADELPHIA</rptOwnerCity><rptOwnerState>PA</rptOwnerState><rptOwnerZipCode>19103-1699</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Vice President</officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivat
iveTable><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4651</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>ESOP Trust</value></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-12-09</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>I</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F1"/></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>1020.825</value></transactionShares><transactionPricePerShare><value>48.98</value></transactionPricePerShare><transactionAcquired
DisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1020.175</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By Spouse (ESOP Trust)</value></natureOfOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable></derivativeTable><footnotes><footnote id="F1">Disposition of share equivalents pursuant to the Sunoco, Inc. Capital Accumulation Plan in discretionary transaction exempt under Rule 16(b)3(f) by Spouse of reporting person.  This information is supplied by the Plan Administrator.</footnote></footnotes><ownerSignature><signatureName>/s/ Ann C. Mule, Attorney-in-fact for</signatureName><signatureDate>2003-12-11</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----