FORM 6-K


                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                        Report of Foreign Private Issuer
                    Pursuant to Rule 13a - 16 or 15d - 16 of
                       the Securities Exchange Act of 1934


For the month of: January 2003                   Commission File Number: 1-12384


                               SUNCOR ENERGY INC.
                              (Name of registrant)

                             112 FOURTH AVENUE S.W.
                                  P.O. BOX 38
                                CALGARY, ALBERTA
                                CANADA, T2P 2V5

Indicate by check mark whether the registrant files or will file annual reports
under cover of Form 20-F or Form 40-F:

        Form 20-F                      Form 40-F     X
                  ---------                      ---------


Indicate by check mark whether the registrant by furnishing the information
contained in this Form is also thereby furnishing the information to the SEC
pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:

        Yes                            No            X
                  ---------                      ---------


If "Yes" is marked, indicate the number assigned to the registrant in connection
with Rule 12g3-2(b):

        N/A




                                  EXHIBIT INDEX


       EXHIBIT          DESCRIPTION OF EXHIBIT
--------------------------------------------------------------------------------
                     
          1             FOURTH QUARTER 2002 GUIDANCE





                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.

                                           SUNCOR ENERGY INC.

Date: January 9, 2003                      By: "JANICE B. ODEGAARD"
                                               ---------------------------------
                                               JANICE B. ODEGAARD
                                               Vice President, Associate General
                                               Counsel and Corporate Secretary