| Season | Champion | Car | Wins | Podiums | Points | Margin (pts.) |
|---|---|---|---|---|---|---|
| 1960 | Syd van der Vyver | Cooper-Alfa Romeo | ||||
| 1961 | Syd van der Vyver | Lotus 18-Alfa Romeo | ||||
| 1962 | Ernest Pieterse | Heron-Alfa Romeo Lotus 20-Climax |
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| 1963 | Neville Lederle | Lotus 20-Climax | ||||
| 1964 | John Love | Cooper T55-Climax | ||||
| 1965 | John Love | Cooper T55-Climax | ||||
| 1966 | John Love | Cooper T79-Climax | 7 | 8 | 69 | 13 |
| 1967 | John Love | Cooper T79-Climax Brabham BT20-Repco |
8 | 10 | 82 | 30 |
| 1968 | John Love | Brabham BT20-Repco Lotus 49-Cosworth |
6 | 6 | 54 | 14 |
| 1969 | John Love | Lotus 49-Cosworth | 4 | 5 | 43 | 1 |
| 1970 | Dave Charlton | Lotus 49-Cosworth | 7 | 8 | 69 | 32 |
| 1971 | Dave Charlton | Lotus 49-Cosworth Lotus 72-Cosworth |
7 | 8 | 72 | 24 |
| 1972 | Dave Charlton | Lotus 72-Cosworth | 9 | 9 | 81 | 39 |
| 1973 | Dave Charlton | Lotus 72-Cosworth | 10 | 10 | 93 | 40 |
| 1974 | Dave Charlton | McLaren M23-Cosworth | 6 | 10 | 76 | 11 |
| 1975 | Dave Charlton | McLaren M23-Cosworth | 3 | 5 | 57 | 10 |
| 1976 | Ian Scheckter | Lexington March 76B-Cosworth-BDA | 6 | |||
| 1977 | Ian Scheckter | Lexington March 77B-Cosworth-BDA | 6 | |||
| 1978 | Ian Scheckter | Lexington March 78B-Cosworth-BDA | 4 | |||
| 1979 | Ian Scheckter | Lexington March 79B-Cosworth-BDA | 7 | |||
| 1980 | Tony Martin | BP Chevron B31-Mazda | 12 | |||
| 1981 | Bernard Tilanus | DAW March 78B-Mazda | 5 | |||
| 1982 | Graham Duxbury | Hekro-Propart March 822-Mazda | 6 | |||
| 1983 | Ian Scheckter | Gunston March 832-Mazda | 13 | |||
| 1984 | Ian Scheckter | Gunston March 842-Mazda | 11 | |||
| 1985 | Trevor van Rooyen | DAW Maurer MM83-Mazda | 11 | |||
| 1986 | Wayne Taylor | BP Ralt RT4-Mazda | 5 |