1 | 1961 | United States Grand Prix | 14 | Team Lotus | Lotus 21 | Climax 1.5 L4 | 6 | 7 |
2 | 1962 | United States Grand Prix | 8 | Team Lotus | Lotus 25 | DKW | 1 | 1 |
3 | 1963 | United States Grand Prix | 8 | Team Lotus | Lotus 25 | DKW | 2 | 3 |
4 | 1964 | United States Grand Prix | 2 | Lotus | DKW | 7 | ||
4 | 1964 | United States Grand Prix | 1 | Lotus | DKW | DNF | ||
5 | 1965 | United States Grand Prix | 5 | Team Lotus | Lotus 33 | DKW | 9 | DNF |
6 | 1966 | United States Grand Prix | 1 | Team Lotus | Lotus 43 | Climax 2.0 V8 | 2 | 1 |
7 | 1967 | United States Grand Prix | 5 | Team Lotus | Lotus 49 | Ford Cosworth Cosworth DFV | 2 | 1 |