| 🇦🇺Australian Grand Prix 1991 | 3 Nov 1991 | Leyton House | 14 | 14 | |
| 🇯🇵Japanese Grand Prix 1991 | 20 Oct 1991 | Leyton House | 18 | 8 | |
| 🇪🇸Spanish Grand Prix 1991 | 29 Sept 1991 | Leyton House | 13 | 7 | |
| 🇵🇹Portuguese Grand Prix 1991 | 22 Sept 1991 | Leyton House | 7 | 7 | |
| 🇮🇹Italian Grand Prix 1991 | 8 Sept 1991 | Leyton House | 18 | 15 | |
| 🇧🇪Belgian Grand Prix 1991 | 25 Aug 1991 | Leyton House | 15 | Engine | |
| 🇭🇺Hungarian Grand Prix 1991 | 11 Aug 1991 | Leyton House | 13 | 11 | |
| 🇩🇪German Grand Prix 1991 | 28 Jul 1991 | Leyton House | 16 | Gearbox | |
| 🇬🇧British Grand Prix 1991 | 14 Jul 1991 | Leyton House | 9 | Chassis | |
| 🇫🇷French Grand Prix 1991 | 7 Jul 1991 | Leyton House | 9 | 7 | |
| 🇲🇽Mexican Grand Prix 1991 | 16 Jun 1991 | Leyton House | 18 | Engine | |
| 🇨🇦Canadian Grand Prix 1991 | 2 Jun 1991 | Leyton House | 23 | Engine | |
| 🇲🇨Monaco Grand Prix 1991 | 12 May 1991 | Leyton House | 15 | Throttle | |
| 🇮🇹San Marino Grand Prix 1991 | 28 Apr 1991 | Leyton House | 15 | 12 | |
| 🇧🇷Brazilian Grand Prix 1991 | 24 Mar 1991 | Leyton House | 8 | Physical | |
| 🇺🇸United States Grand Prix 1991 | 10 Mar 1991 | Leyton House | 23 | Gearbox | |