1 | 1963 | Italian Grand Prix | 54 | Siffert Racing Team | Lotus 24 | BRM P56 | 15 | DNF |
2 | 1964 | Italian Grand Prix | 12 | Siffert Racing Team | Lotus 24 | BRM P56 | 6 | 7 |
3 | 1965 | Italian Grand Prix | 44 | Rob Walker Racing Team | Brabham BT11 | BRM 1.5 V8 | 10 | DNF |
4 | 1966 | Italian Grand Prix | 36 | Rob Walker Racing Team | Cooper T81 | Maserati 3.0 V12 | 17 | DNF |
5 | 1967 | Italian Grand Prix | 6 | Rob Walker/Jack Durlacher Racing | Cooper T81 | Maserati 3.0 V12 | 13 | DNF |
6 | 1968 | Italian Grand Prix | 20 | Rob Walker/Jack Durlacher Racing | Lotus 49B | Ford Cosworth Cosworth DFV | 9 | DNF |
7 | 1969 | Italian Grand Prix | 30 | Rob Walker/Jack Durlacher Racing | Lotus 49B | Ford Cosworth Cosworth DFV | 8 | 8 |
8 | 1970 | Italian Grand Prix | 50 | March Engineering | March 701 | Ford Cosworth Cosworth DFV | 7 | DNF |
9 | 1971 | Italian Grand Prix | 20 | Yardley Team BRM | BRM P160 | BRM P142-60 | 3 | 9 |