1 | 5 | United States Grand Prix | 1 | Ayrton Senna | McLaren MP4-5 | Honda RA109E | 1 | Electrical |
2 | 6 | Canadian Grand Prix | 1 | Ayrton Senna | McLaren MP4-5 | Honda RA109E | 2 | Engine |
3 | 6 | Canadian Grand Prix | 2 | Alain Prost | McLaren MP4-5 | Honda RA109E | 1 | Chassis |
4 | 7 | French Grand Prix | 1 | Ayrton Senna | McLaren MP4-5 | Honda RA109E | 2 | Differential |
5 | 8 | British Grand Prix | 1 | Ayrton Senna | McLaren MP4-5 | Honda RA109E | 1 | Spun Off |
6 | 12 | Italian Grand Prix | 1 | Ayrton Senna | McLaren MP4-5 | Honda RA109E | 1 | Engine |
7 | 13 | Portuguese Grand Prix | 1 | Ayrton Senna | McLaren MP4-5 | Honda RA109E | 1 | Collision |
8 | 15 | Japanese Grand Prix | 2 | Alain Prost | McLaren MP4-5 | Honda RA109E | 2 | Collision |
9 | 16 | Australian Grand Prix | 1 | Ayrton Senna | McLaren MP4-5 | Honda RA109E | 1 | Collision |
10 | 16 | Australian Grand Prix | 2 | Alain Prost | McLaren MP4-5 | Honda RA109E | 2 | Withdrawn |