1 | 1950 | Italian Grand Prix | 1 | 60 | Alfa Romeo SpA | Alfa Romeo 158 | Alfa Romeo 158 | Engine | |
2 | 1951 | Belgian Grand Prix | 3 | 12 | Scuderia Ferrari | Ferrari 375 | Ferrari V12 | 5 | Transmission |
3 | 1951 | Spanish Grand Prix | 6 | 8 | Scuderia Ferrari | Ferrari 375 | Ferrari V12 | 7 | Wheel |
4 | 1952 | Belgian Grand Prix | 8 | 6 | Scuderia Ferrari | Ferrari 500 | Ferrari 2.0 L4 | 3 | Accident |
5 | 1956 | French Grand Prix | 17 | 8 | Officine Alfieri Maserati | Maserati 250F | Maserati 250F | 16 | Engine |
6 | 1956 | Italian Grand Prix | 18 | 16 | Vandervell Products Ltd | Vanwall | Vanwall 2.5 | 4 | Oil Leak |