<DOCUMENT>
<TYPE>EX-99.4
<SEQUENCE>7
<FILENAME>a2136206zex-99_4.txt
<DESCRIPTION>EXHIBIT 99.4
<TEXT>
<Page>


                                                                    EXHIBIT 99.4

                   CERTIFICATE OF PRINCIPAL FINANCIAL OFFICER
                                   PURSUANT TO
                             18 U.S.C. SECTION 1350
      AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Vincent J. Galifi, the Executive Vice-President and Chief Financial Officer
of Magna International Inc. (the "Company"), certify that:

1.   the Annual Report on Form 40-F of the Company dated May 17, 2004 for the
     fiscal year ending December 31, 2003 (the "Report") fully complies with the
     requirements of Section 13(a) and 15(d) of the Securities Exchange Act of
     1934; and

2.   the information contained in the Report fairly presents, in all material
     respects, the financial condition and results of operations of the Company.

Dated: May 17, 2004

                                               /s/ VINCENT J. GALIFI
                                               ---------------------------------
                                               Vincent J. Galifi
                                               Executive Vice-President and
                                               Chief Financial Officer

A signed original of this written statement required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to the
Securities and Exchange Commission or its staff upon request.

</TEXT>
</DOCUMENT>
