FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * ZELENY DENNIS   2. Issuer Name and Ticker or Trading Symbol SUNOCO INC [SUN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Sr. VP and Chief HR Officer (Last) (First) (Middle) 1818 MARKET STREET, SUITE 1500 3. Date of Earliest Transaction (Month/Day/Year) 03/09/2012 (Street) PHILADELPHIA, PA 19103-7583 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/09/2012   M   2,400 A $ 0 7,855 D   Common Stock 03/09/2012   F(1)   880 D $ 39.42 6,975 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Common Stock Unit (2)

(3)

03/09/2012

M

2,400

(4)

(4)

Common Stock

2,400

$ 0

4,800

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ZELENY DENNIS 1818 MARKET STREET SUITE 1500 PHILADELPHIA, PA 19103-7583			Sr. VP and Chief HR Officer

Signatures

/s/ John J. DiRocco, Jr., Attorney-in-Fact		03/13/2012
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Vesting and payout of 2,400 restricted common stock units, awarded in March 2011 pursuant to the Sunoco, Inc. Long-Term Performance Enhancement Plan III ("LTPEPIII"), for net of 1,520 shares of Sunoco, Inc. common stock issued to reporting person (880 shares used for tax withholding obligation).
(2)	Award of restricted common stock units pursuant to the Sunoco, Inc. LTPEPIII in a transaction exempt under Rule 16b-3. These restricted common stock units vest ratably in increments of one-third at the end of each of three annual vesting cycles. Incremental settlement is contingent only upon the continued employment of reporting person with the Company through the end of each annual vesting cycle.
(3)	Conversion rate is 1 for 1.
(4)	Not Applicable

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