1 | 1 | Brazilian Grand Prix | 6 | Nelson Piquet | Williams FW11 | Honda RA166-E | 2 | 1 |
2 | 5 | Belgian Grand Prix | 5 | Nigel Mansell | Williams FW11 | Honda RA166-E | 5 | 1 |
3 | 6 | Canadian Grand Prix | 5 | Nigel Mansell | Williams FW11 | Honda RA166-E | 1 | 1 |
4 | 8 | French Grand Prix | 5 | Nigel Mansell | Williams FW11 | Honda RA166-E | 2 | 1 |
5 | 9 | British Grand Prix | 5 | Nigel Mansell | Williams FW11 | Honda RA166-E | 2 | 1 |
6 | 10 | German Grand Prix | 6 | Nelson Piquet | Williams FW11 | Honda RA166-E | 5 | 1 |
7 | 11 | Hungarian Grand Prix | 6 | Nelson Piquet | Williams FW11 | Honda RA166-E | 2 | 1 |
8 | 13 | Italian Grand Prix | 6 | Nelson Piquet | Williams FW11 | Honda RA166-E | 6 | 1 |
9 | 14 | Portuguese Grand Prix | 5 | Nigel Mansell | Williams FW11 | Honda RA166-E | 2 | 1 |