L:\SECFILES\10-K\8037S.DOC 1 1 GENERAL MOTORS CORPORATION EXHIBIT 12 AND SUBSIDIARIES COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES Years Ended December 31, ---------------------------------- 1993 1992 1991 ---------- ---------- ---------- (Dollars in Millions) Income (Loss) before cumulative effect of accounting changes . . . . . . . . . $2,465.8 ($2,620.6) ($4,992.0) United States, foreign, and other income taxes (credit). . . . . . . . . . . . . 109.5 (712.5) (900.3) Equity in losses of associates. . . . . . 18.1 216.4 357.3 Cash dividends received from associates. . . . . . . . . . . . . . . 5.0 4.4 16.0 Amortization of capitalized interest. . . 54.7 43.3 45.3 ------- ------- ------- Income (Loss) before income taxes, undistributed losses of associates, and amortization of capitalized interest . . . . . . . . . . . . . . . 2,653.1 (3,069.0) (5,473.7) ------- ------- ------- Fixed charges included in net income (loss) Interest and related charges on debt. . 5,552.0 6,973.2 7,852.4 Portion of rentals deemed to be interest. . . . . . . . . . . . . . . 459.4 461.3 428.7 ------- ------- ------- Total fixed charges included in net income (loss) . . . . . . . . 6,011.4 7,434.5 8,281.1 ------- ------- ------- Earnings available for fixed charges. . . $8,664.5 $4,365.5 $2,807.4 ======= ======= ======= Fixed charges Fixed charges included in net income (loss) . . . . . . . . . . . . $6,011.4 $7,434.5 $8,281.1 Interest capitalized in the period. . . 44.1 43.6 49.2 ------- ------- ------- Total fixed charges . . . . . . . . $6,055.5 $7,478.1 $8,330.3 ======= ======= ======= Ratios of earnings to fixed charges . . . 1.43 * * ==== ==== ==== *In 1992 and 1991 earnings were inadequate to cover fixed charges by $3,112.6 million and $5,522.9 million, respectively. IV-16