| 🇿🇦South African Grand Prix 1975 | 1 Mar 1975 | McLaren | 20 | 14 | |
| 🇿🇦South African Grand Prix 1974 | 30 Mar 1974 | McLaren | 20 | 19 | |
| 🇿🇦South African Grand Prix 1973 | 3 Mar 1973 | Lotus-Borgward | 13 | Accident | |
| 🇩🇪German Grand Prix 1972 | 30 Jul 1972 | Lotus-Borgward | 26 | Physical | |
| 🇬🇧British Grand Prix 1972 | 15 Jul 1972 | Lotus-Borgward | 24 | Gearbox | |
| 🇿🇦South African Grand Prix 1972 | 4 Mar 1972 | Lotus-Borgward | 17 | Fuel pump | |
| 🇬🇧British Grand Prix 1971 | 17 Jul 1971 | Lotus-Ford | 13 | Engine | |
| 🇿🇦South African Grand Prix 1971 | 6 Mar 1971 | Brabham | 16 | Engine | |
| 🇿🇦South African Grand Prix 1970 | 7 Mar 1970 | Lotus-Borgward | 13 | 12 | |
| 🇿🇦South African Grand Prix 1968 | 1 Jan 1968 | Brabham-Repco | 14 | Differential | |
| 🇿🇦South African Grand Prix 1967 | 2 Jan 1967 | Brabham-Climax | 8 | Not classified | |