1 | 1950 | British Grand Prix | 1 | 5 | Scuderia Ambrosiana | Maserati 4CLT-48 | Maserati 4CL | 18 | Engine |
2 | 1950 | Italian Grand Prix | 2 | 50 | Scuderia Ambrosiana | Maserati 4CL | Maserati 4CL | 24 | Gearbox |
3 | 1951 | British Grand Prix | 3 | 15 | Scuderia Ambrosiana | 15 | Engine | ||
4 | 1952 | British Grand Prix | 4 | 7 | Ecurie Ecosse | Cooper T20 | Bristol BS | 22 | Engine |