| 🇵🇹Portuguese Grand Prix 1984 | 21 Oct 1984 | Williams | 4 | Engine | |
| 🇩🇪European Grand Prix 1984 | 7 Oct 1984 | Williams | 4 | Accident | |
| 🇮🇹Italian Grand Prix 1984 | 9 Sept 1984 | Williams | 6 | Turbo | |
| 🇳🇱Dutch Grand Prix 1984 | 26 Aug 1984 | Williams | 7 | 8 | |
| 🇦🇹Austrian Grand Prix 1984 | 19 Aug 1984 | Williams | 9 | Handling | |
| 🇩🇪German Grand Prix 1984 | 5 Aug 1984 | Williams | 19 | Electrical | |
| 🇬🇧British Grand Prix 1984 | 22 Jul 1984 | Williams | 5 | Engine | |
| 🇺🇸Dallas Grand Prix 1984 | 8 Jul 1984 | Williams | 8 | 1 | 9 |
| 🇺🇸Detroit Grand Prix 1984 | 24 Jun 1984 | Williams | 21 | Turbo | |
| 🇨🇦Canadian Grand Prix 1984 | 17 Jun 1984 | Williams | 15 | Fuel system | |
| 🇲🇨Monaco Grand Prix 1984 | 3 Jun 1984 | Williams | 10 | 4 | 1.5 |
| 🇫🇷French Grand Prix 1984 | 20 May 1984 | Williams | 4 | 6 | 1 |
| 🇮🇹San Marino Grand Prix 1984 | 6 May 1984 | Williams | 3 | Electrical | |
| 🇧🇪Belgian Grand Prix 1984 | 29 Apr 1984 | Williams | 3 | 4 | 3 |
| 🇿🇦South African Grand Prix 1984 | 7 Apr 1984 | Williams | 2 | Wheel | |
| 🇧🇷Brazilian Grand Prix 1984 | 25 Mar 1984 | Williams | 9 | 2 | 6 |