1 | 1 | Brazilian Grand Prix | 6 | Nelson Piquet | Williams FW11B | Honda RA166-E | 2 | 2 |
1 | 1 | Brazilian Grand Prix | 5 | Nigel Mansell | Williams FW11B | Honda RA166-E | 1 | 6 |
2 | 3 | Belgian Grand Prix | 5 | Nigel Mansell | Williams FW11B | Honda RA166-E | 1 | 14 |
2 | 3 | Belgian Grand Prix | 6 | Nelson Piquet | Williams FW11B | Honda RA166-E | 2 | 17 |
3 | 7 | British Grand Prix | 5 | Nigel Mansell | Williams FW11B | Honda RA167G | 2 | 1 |
3 | 7 | British Grand Prix | 6 | Nelson Piquet | Williams FW11B | Honda RA167G | 1 | 2 |
4 | 10 | Austrian Grand Prix | 5 | Nigel Mansell | Williams FW11B | Honda RA167G | 2 | 1 |
4 | 10 | Austrian Grand Prix | 6 | Nelson Piquet | Williams FW11B | Honda RA167G | 1 | 2 |
5 | 11 | Italian Grand Prix | 6 | Nelson Piquet | Williams FW11B | Honda RA167G | 1 | 1 |
5 | 11 | Italian Grand Prix | 5 | Nigel Mansell | Williams FW11B | Honda RA167G | 2 | 3 |
6 | 13 | Spanish Grand Prix | 5 | Nigel Mansell | Williams FW11B | Honda RA167G | 2 | 1 |
6 | 13 | Spanish Grand Prix | 6 | Nelson Piquet | Williams FW11B | Honda RA167G | 1 | 4 |