| 🇦🇺Australian Grand Prix 1991 | 3 Nov 1991 | Alex Caffi | 23 | 15 | |
| 🇦🇺Australian Grand Prix 1991 | 3 Nov 1991 | Michele Alboreto | 15 | 13 | |
| 🇯🇵Japanese Grand Prix 1991 | 20 Oct 1991 | Alex Caffi | 26 | 10 | |
| 🇪🇸Spanish Grand Prix 1991 | 29 Sept 1991 | Michele Alboreto | 24 | Engine | |
| 🇵🇹Portuguese Grand Prix 1991 | 22 Sept 1991 | Michele Alboreto | 22 | 15 | |
| 🇬🇧British Grand Prix 1991 | 14 Jul 1991 | Michele Alboreto | 26 | Transmission | |
| 🇫🇷French Grand Prix 1991 | 7 Jul 1991 | Michele Alboreto | 25 | Gearbox | |
| 🇲🇽Mexican Grand Prix 1991 | 16 Jun 1991 | Michele Alboreto | 26 | Engine | |
| 🇨🇦Canadian Grand Prix 1991 | 2 Jun 1991 | Michele Alboreto | 21 | Throttle | |
| 🇨🇦Canadian Grand Prix 1991 | 2 Jun 1991 | Stefan Johansson | 25 | Throttle | |
| 🇲🇨Monaco Grand Prix 1991 | 12 May 1991 | Michele Alboreto | 22 | Engine | |
| 🇺🇸United States Grand Prix 1991 | 10 Mar 1991 | Michele Alboreto | 25 | Engine | |