1984 Grand Prix of Estoril
21 October - Estoril: 304.500km (4.350km x 70 laps)


Pole Position: Nelson Piquet, Brabham-BMW BT53, 1:21.703


Results
 1. Alain Prost            McLaren-TAG MP4/2           1:41:11.753 (180.541 km/h)
 2. Niki Lauda             McLaren-TAG MP4/2          -     13.425
 3. Ayrton Senna           Toleman-Hart TG184         -     20.042
 4. Michele Alboreto       Ferrari 126C4              -     20.317
 5. Elio de Angelis        Lotus-Renault 95T          -   1:32.169
 6. Nelson Piquet          Brabham-BMW BT53           -  1 lap
 7. Patrick Tambay         Renault RE50               -  1 lap
 8. Riccardo Patrese       Alfa Romeo 184T            -  1 lap
 9. René Arnoux            Ferrari 126C4              -  1 lap
10. Manfred Winkelhock     Brabham-BMW BT53           -  1 lap
11. Stefan Johansson       Toleman-Hart TG184         -  1 lap
12. Andrea de Cesaris      Ligier-Renault JS23        -  1 lap
13. Gerhard Berger         ATS-BMW D7                 -  2 laps
14. Jacques Laffite        Williams-Honda FW09B       -  3 laps
15. Mauro Baldi            Spirit-Hart 101            -  4 laps
16. Jo Gartner             Osella-Alfa Romeo FA1F     -  5 laps (Out of fuel)
17. Eddie Cheever          Alfa Romeo 184T            -  6 laps
    
Fastest lap: Niki Lauda, 1:22.996 (188.684 km/h on lap 51)
    

Retirements    
    Piercarlo Ghinzani     Osella-Alfa Romeo FA1F     - 10 laps (Engine)
    Nigel Mansell          Lotus-Renault 95T          - 18 laps (Brakes/Spun)
    Derek Warwick          Renault RE50               - 19 laps (Gearbox)
    Philippe Streiff       Renault RE50               - 22 laps (Transmission)
    Keke Rosberg           Williams-Honda FW09B       - 31 laps (Engine)
    Francois Hesnault      Ligier-Renault JS23        - 39 laps (Electrics)
    Thierry Boutsen        Arrows-BMW A7              - 46 laps (Transmission)
    Jonathan Palmer        RAM-Hart 02                - 51 laps (Gearbox)
    Marc Surer             Arrows-BMW A7              - 62 laps (Electrics)
    Philippe Alliot        RAM-Hart 02                - 68 laps (Engine)


    Race leaders:
    Keke Rosberg            1- 8  (8 laps =  34.800 km)
    Alain Prost             9-70 (62 laps = 269.700 km)
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                                Starting Grid

 1. Nelson Piquet          Brabham-BMW BT53            1:21.703 (191.670 km/h)
 2. Alain Prost            McLaren-TAG MP4/2          -   0.071
 3. Ayrton Senna           Toleman-Hart TG184         -   0.233
 4. Keke Rosberg           Williams-Honda FW09B       -   0.346
 5. Elio de Angelis        Lotus-Renault 95T          -   0.588
 6. Nigel Mansell          Lotus-Renault 95T          -   0.616
 7. Patrick Tambay         Renault RE50               -   0.880
 8. Michele Alboreto       Ferrari 126C4              -   0.983
 9. Derek Warwick          Renault RE50               -   1.098
10. Stefan Johansson       Toleman-Hart TG184         -   1.239
11. Niki Lauda             McLaren-TAG MP4/2          -   1.480
12. Riccardo Patrese       Alfa Romeo 184T            -   2.345
13. Philippe Streiff       Renault RE50               -   2.386
14. Eddie Cheever          Alfa Romeo 184T            -   2.532
15. Jacques Laffite        Williams-Honda FW09B       -   2.734
16. Marc Surer             Arrows-BMW A7              -   2.985
17. René Arnoux            Ferrari 126C4              -   3.145
18. Thierry Boutsen        Arrows-BMW A7              -   3.412
19. Manfred Winkelhock     Brabham-BMW BT53           -   3.586
20. Andrea de Cesaris      Ligier-Renault JS23        -   4.379
21. Francois Hesnault      Ligier-Renault JS23        -   4.998
22. Piercarlo Ghinzani     Osella-Alfa Romeo FA1F     -   5.137
23. Gerhard Berger         ATS-BMW D7                 -   6.403
24. Jo Gartner             Osella-Alfa Romeo FA1F     -   6.526
25. Mauro Baldi            Spirit-Hart 101            -   7.298
26. Jonathan Palmer        RAM-Hart 02                -   7.694
27. Philippe Alliot        RAM-Hart 02                -   8.703