Ronnie Peterson won the South African Grand Prix 1978 at Kyalami on 4 March 1978, starting from P12 on the grid. Patrick Depailler finished second for Tyrrell, with John Watson completing the podium for Brabham.
| Pos | Driver | Team | Grid | Pts | FL | Status |
|---|---|---|---|---|---|---|
1 | | 12 | 9 | Finished | ||
2 | | | 11 | 6 | Finished | |
3 | | | 10 | 4 | Finished | |
4 | | | 18 | 3 | Finished | |
5 | | | 13 | 2 | Finished | |
6 | | 14 | 1 | +1 Lap | ||
7 | | 2 | 0 | +1 Lap | ||
8 | | 17 | 0 | +1 Lap | ||
9 | | 22 | 0 | +1 Lap | ||
10 | | 21 | 0 | +1 Lap | ||
11 | | 20 | 0 | +2 Laps | ||
12 | | 19 | 0 | +2 Laps | ||
R | | 7 | 0 | Engine | ||
R | | 5 | 0 | Spun off | ||
R | | 4 | 0 | Accident | ||
R | | 8 | 0 | Oil leak | ||
R | | 9 | 0 | Spun off | ||
R | | 1 | 0 | Engine | ||
R | | 23 | 0 | Engine | ||
R | | 15 | 0 | Engine | ||
R | | 26 | 0 | Suspension | ||
R | | 6 | 0 | Engine | ||
R | | 24 | 0 | Clutch | ||
R | | 16 | 0 | Transmission | ||
R | | 25 | 0 | Oil leak | ||
R | | 3 | 0 | Engine | ||
F | | 0 | 0 | Did not qualify | ||
F | | 0 | 0 | Did not qualify | ||
F | | 0 | 0 | Did not qualify | ||
F | | 0 | 0 | Did not qualify |