1 | 1951 | Swiss Grand Prix | 5 | 26 | Alfa Romeo SpA | Alfa Romeo 159 | Alfa Romeo 158 | 5 | 5 |
2 | 1953 | Dutch Grand Prix | 13 | 18 | Enrico Plate | Maserati A6GCM-53 | Maserati A6GCM-53 | 7 | 5 |
3 | 1953 | Belgian Grand Prix | 14 | 30 | Emmanuel de Graffenried | Maserati A6GCM-53 | Maserati A6GCM-53 | 9 | 4 |
4 | 1953 | German Grand Prix | 17 | 17 | Emmanuel de Graffenried | Maserati A6GCM-53 | Maserati A6GCM-53 | 11 | 5 |