1 | 2 | Brazilian Grand Prix | 11 | John Player Team Lotus | Lotus 91 | Ford Cosworth Cosworth DFV | 11 | Collision |
2 | 7 | Detroit Grand Prix | 11 | John Player Team Lotus | Lotus 91 | Ford Cosworth Cosworth DFV | 8 | Gearbox |
3 | 9 | Dutch Grand Prix | 11 | John Player Team Lotus | Lotus 91 | Ford Cosworth Cosworth DFV | 15 | Handling |
4 | 11 | French Grand Prix | 11 | John Player Team Lotus | Lotus 91 | Ford Cosworth Cosworth DFV | 13 | Fuel System |
5 | 12 | German Grand Prix | 11 | John Player Team Lotus | Lotus 91 | Ford Cosworth Cosworth DFV | 13 | Handling |
6 | 15 | Italian Grand Prix | 11 | John Player Team Lotus | Lotus 91 | Ford Cosworth Cosworth DFV | 17 | Throttle |
7 | 16 | Caesars Palace Grand Prix | 11 | John Player Team Lotus | Lotus 91 | Ford Cosworth Cosworth DFV | 20 | Engine |