1985 Grand Prix of South Africa
19 October - Kyalami: 307.800km (4.104km x 75 laps)


Pole Position: Nigel Mansell, Williams-Honda FW10, 1:02.366


Results
 1. Nigel Mansell          Williams-Honda FW10              1:28:22.866 (208.959 km/h)
 2. Keke Rosberg           Williams-Honda FW10             -      7.572
 3. Alain Prost            McLaren-TAG MP4/2B              -   1:51.794
 4. Stefan Johansson       Ferrari 156/85                  -  1 lap
 5. Gerhard Berger         Arrows-BMW A8                   -  1 lap
 6. Thierry Boutsen        Arrows-BMW A8                   -  1 lap
 7. Martin Brundle         Tyrrell-Renault 014             -  2 laps
    
Fastest lap: Keke Rosberg, 1:08.149 (216.796 km/h on lap 74)
    

Retirements
    Elio de Angelis        Lotus-Renault 97T               - 23 laps (Engine)
    Pierluigi Martini      Minardi-Motori Moderni M185     - 30 laps (Radiator)
    Niki Lauda             McLaren-TAG MP4/2B              - 38 laps (Turbo)
    Philippe Streiff       Tyrrell-Renault 014             - 59 laps (Accident)
    Michele Alboreto       Ferrari 156/85                  - 67 laps (Turbo)
    Ayrton Senna           Lotus-Renault 97T               - 67 laps (Engine)
    Nelson Piquet          Brabham-BMW BT54                - 69 laps (Engine)
    Piercarlo Ghinzani     Toleman-Hart TG185              - 71 laps (Engine)
    Teo Fabi               Toleman-Hart TG185              - 72 laps (Engine)
    Marc Surer             Brabham-BMW BT54                - 72 laps (Engine)
    Huub Rothengatter      Osella-Alfa Romeo FA1G          - 74 laps (Electrics)
    Eddie Cheever          Alfa Romeo 184T                 - 75 laps (Accident)
    Riccardo Patrese       Alfa Romeo 184T                 - 75 laps (Accident)
    
Did Not Start    
    Alan Jones             Lola-Hart THL1                   Driver ill


    Race leaders:
    Nigel Mansell           1- 7  (7 laps =  28.728 km)
    Keke Rosberg            8     (1 lap  =   4.104 km)
    Nigel Mansell           9-75 (67 laps = 274.968 km)
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                                Starting Grid

 1. Nigel Mansell          Williams-Honda FW10              1:02.366 (236.898 km/h)
 2. Nelson Piquet          Brabham-BMW BT54                -   0.124
 3. Keke Rosberg           Williams-Honda FW10             -   0.138
 4. Ayrton Senna           Lotus-Renault 97T               -   0.459
 5. Marc Surer             Brabham-BMW BT54                -   1.722
 6. Elio de Angelis        Lotus-Renault 97T               -   1.763
 7. Teo Fabi               Toleman-Hart TG185              -   1.849
 8. Niki Lauda             McLaren-TAG MP4/2B              -   1.917
 9. Alain Prost            McLaren-TAG MP4/2B              -   2.010
10. Thierry Boutsen        Arrows-BMW A8                   -   2.152
11. Gerhard Berger         Arrows-BMW A8                   -   2.414
12. Riccardo Patrese       Alfa Romeo 184T                 -   2.582
13. Piercarlo Ghinzani     Toleman-Hart TG185              -   2.748
14. Eddie Cheever          Alfa Romeo 184T                 -   2.894
15. Michele Alboreto       Ferrari 156/85                  -   2.902
16. Stefan Johansson       Ferrari 156/85                  -   3.022
17. Martin Brundle         Tyrrell-Renault 014             -   3.283
18. Philippe Streiff       Tyrrell-Renault 014             -   3.839
19. Pierluigi Martini      Minardi-Motori Moderni M185     -   6.292
20. Huub Rothengatter      Osella-Alfa Romeo FA1G          -   7.507