1 | 1964 | United States Grand Prix | 15 | Reg Parnell Racing | Lotus 25 | BRM 1.5 V8 | 11 | DNF |
2 | 1967 | United States Grand Prix | 9 | Scuderia Ferrari SpA SEFAC | Ferrari 312 | Ferrari 3.0 V12 | 4 | DNF |
3 | 1968 | United States Grand Prix | 6 | Scuderia Ferrari SpA SEFAC | Ferrari 312 | Ferrari 3.0 V12 | 4 | DNF |
4 | 1970 | United States Grand Prix | 12 | March Engineering | March 701 | Ford Cosworth Cosworth DFV | 5 | 5 |
5 | 1971 | United States Grand Prix | 11 | Equipe Matra Sports | Matra MS120B | Matra 3.0 V12 | 8 | 12 |
6 | 1972 | United States Grand Prix | 18 | Equipe Matra | Matra MS120D | Matra 3.0 V12 | 7 | 15 |
7 | 1974 | United States Grand Prix | 15 | Team Motul BRM | BRM P201 | BRM 3.0 V12 | 12 | 9 |