1 | 4 | Spanish Grand Prix | 6 | Riccardo Patrese | Williams FW14B | Renault RS3C | 4 | Spun Off |
2 | 7 | Canadian Grand Prix | 5 | Nigel Mansell | Williams FW14B | Renault RS3C | 3 | Spun Off |
3 | 7 | Canadian Grand Prix | 6 | Riccardo Patrese | Williams FW14B | Renault RS3C | 2 | Gearbox |
4 | 10 | German Grand Prix | 6 | Riccardo Patrese | Williams FW14B | Renault RS3C | 2 | Spun Off |
5 | 11 | Hungarian Grand Prix | 6 | Riccardo Patrese | Williams FW14B | Renault RS4 | 1 | Engine |
6 | 13 | Italian Grand Prix | 5 | Nigel Mansell | Williams FW14B | Renault RS4 | 1 | Electrical |
7 | 14 | Portuguese Grand Prix | 6 | Riccardo Patrese | Williams FW14B | Renault RS4 | 2 | Collision |
8 | 15 | Japanese Grand Prix | 5 | Nigel Mansell | Williams FW14B | Renault RS4 | 1 | Engine |
9 | 16 | Australian Grand Prix | 5 | Nigel Mansell | Williams FW14B | Renault RS4 | 1 | Collision |
10 | 16 | Australian Grand Prix | 6 | Riccardo Patrese | Williams FW14B | Renault RS4 | 3 | Engine |