| 🇮🇹Italian Grand Prix 1956 | 2 Sept 1956 | Maserati | 19 | 7 | |
| 🇪🇸Spanish Grand Prix 1954 | 24 Oct 1954 | Maserati | 21 | Engine | |
| 🇦🇷Argentine Grand Prix 1954 | 17 Jan 1954 | Maserati | 13 | 8 | |
| 🇮🇹Italian Grand Prix 1953 | 13 Sept 1953 | Maserati | 9 | Engine | |
| 🇨🇭Swiss Grand Prix 1953 | 23 Aug 1953 | Maserati | 8 | Transmission | |
| 🇩🇪German Grand Prix 1953 | 2 Aug 1953 | Maserati | 11 | 5 | 2 |
| 🇬🇧British Grand Prix 1953 | 18 Jul 1953 | Maserati | 26 | Clutch | |
| 🇫🇷French Grand Prix 1953 | 5 Jul 1953 | Maserati | 9 | 7 | |
| 🇧🇪Belgian Grand Prix 1953 | 21 Jun 1953 | Maserati | 9 | 4 | 3 |
| 🇳🇱Dutch Grand Prix 1953 | 7 Jun 1953 | Maserati | 7 | 5 | 2 |
| 🇬🇧British Grand Prix 1952 | 19 Jul 1952 | Maserati | 31 | 19 | |
| 🇫🇷French Grand Prix 1952 | 6 Jul 1952 | Maserati | 12 | Brakes | |
| 🇨🇭Swiss Grand Prix 1952 | 18 May 1952 | Maserati | 8 | 6 | |
| 🇪🇸Spanish Grand Prix 1951 | 28 Oct 1951 | Alfa Romeo | 6 | 6 | |
| 🇮🇹Italian Grand Prix 1951 | 16 Sept 1951 | Alfa Romeo | 9 | Supercharger | |
| 🇩🇪German Grand Prix 1951 | 29 Jul 1951 | Maserati | 16 | Engine | |
| 🇫🇷French Grand Prix 1951 | 1 Jul 1951 | Maserati | 16 | Transmission | |
| 🇨🇭Swiss Grand Prix 1951 | 27 May 1951 | Alfa Romeo | 5 | 5 | 2 |
| 🇮🇹Italian Grand Prix 1950 | 3 Sept 1950 | Maserati | 17 | 6 | |
| 🇨🇭Swiss Grand Prix 1950 | 4 Jun 1950 | Maserati | 11 | 6 | |
| 🇲🇨Monaco Grand Prix 1950 | 21 May 1950 | Maserati | 12 | Accident | |
| 🇬🇧British Grand Prix 1950 | 13 May 1950 | Maserati | 8 | Engine | |