Regular season and playoffs
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | DET | 16 | 279 | 140 | 50.2 | 2358 | 14 | 15 | 27 | 8.5 | 73.4 |
| 1982 | DET | 10 | 124 | 58 | 46.8 | 709 | 3 | 6 | 15 | 5.7 | 52.8 |
| 1983 | DET | 16 | 387 | 204 | 52.7 | 2577 | 12 | 18 | 37 | 6.7 | 64.7 |
| 1984 | DET | 8 | 38 | 16 | 42.1 | 246 | 1 | 1 | 7 | 6.5 | 62.0 |
| 1985 | DET | 16 | 406 | 223 | 54.9 | 2952 | 17 | 18 | 49 | 7.3 | 73.6 |
| 1986 | DET | 16 | 305 | 192 | 63.0 | 1919 | 9 | 11 | 21 | 6.3 | 75.6 |
| 1988 | DET | 5 | 27 | 12 | 44.4 | 158 | 0 | 0 | 3 | 5.9 | 63.5 |
| 1989 | DET | 1 | 18 | 7 | 38.9 | 90 | 0 | 3 | 5 | 5.0 | 15.7 |