Titles Statistics
| Championships | Williams | ||
| Year | Engine | Points | Wins |
| 1980 | Ford | 120 | 6 |
| 1981 | Ford | 95 | 4 |
| 1986 | Honda | 141 | 9 |
| 1987 | Honda | 137 | 9 |
| 1992 | Renault | 164 | 10 |
| 1993 | Renault | 168 | 10 |
| 1994 | Renault | 118 | 7 |
| 1996 | Renault | 175 | 12 |
| 1997 | Renault | 123 | 8 |
| Championships | Williams | ||
| Year | Engine | Points | Wins |
| 1980 | Ford | 120 | 6 |
| 1981 | Ford | 95 | 4 |
| 1986 | Honda | 141 | 9 |
| 1987 | Honda | 137 | 9 |
| 1992 | Renault | 164 | 10 |
| 1993 | Renault | 168 | 10 |
| 1994 | Renault | 118 | 7 |
| 1996 | Renault | 175 | 12 |
| 1997 | Renault | 123 | 8 |