1990 Grand Prix of Portugal
23 September - Estoril: 308.850km (4.350km x 71 laps)



Race aborted after an accident on lap 61 (265.350 km).


Pole Position: Nigel Mansell, Ferrari 641, 1:13.557
Fastest lap: Riccardo Patrese, 1:18.306 (199.985 km/h on lap 56)

Results
 1. Nigel Mansell          Ferrari 641                  1:22:11.014 (193.725 km/h)
 2. Ayrton Senna           McLaren-Honda MP4/5B        -      2.808
 3. Alain Prost            Ferrari 641                 -      4.189
 4. Gerhard Berger         McLaren-Honda MP4/5B        -      5.896
 5. Nelson Piquet          Benetton-Ford B190          -     57.418
 6. Alessandro Nannini     Benetton-Ford B190          -     58.249
 7. Riccardo Patrese       Williams-Renault FW13B      -  1 lap
 8. Jean Alesi             Tyrrell-Ford 019            -  1 lap
 9. Michele Alboreto       Arrows-Ford A11B            -  1 lap
10. Nicola Larini          Ligier-Ford JS33B           -  2 laps
11. Pierluigi Martini      Minardi-Ford M190           -  2 laps
12. Mauricio Gugelmin      Leyton House-Judd CG901     -  2 laps
13. Alex Caffi             Arrows-Ford A11B            -  3 laps (Accident)
14. Aguri Suzuki           Lola-Lamborghini 90         -  3 laps (Accident)
15. Emanuele Pirro         Dallara-Ford 190            -  3 laps
    

    

Retirements    
    Philippe Alliot        Ligier-Ford JS33B           -  9 laps (Accident)
    David Brabham          Brabham-Judd BT59           -  9 laps (Gearbox)
    Ivan Capelli           Leyton House-Judd CG901     - 10 laps (Engine)
    Thierry Boutsen        Williams-Renault FW13B      - 31 laps (Gearbox)
    Eric Bernard           Lola-Lamborghini 90         - 37 laps (Gearbox)
    Stefano Modena         Brabham-Judd BT59           - 40 laps (Gearbox)
    Martin Donnelly        Lotus-Lamborghini 102       - 47 laps (Alternator)
    Derek Warwick          Lotus-Lamborghini 102       - 56 laps (Throttle jammed)
    Yannick Dalmas         AGS-Ford JH25               - 58 laps (Halfshaft)
    Andrea de Cesaris      Dallara-Ford 190            - 61 laps (Throttle jammed/Spun)
    
Did Not Start    
    Satoru Nakajima        Tyrrell-Ford 019             Driver unfit/Earlier accident
    
Did Not Qualify    
    Olivier Grouillard     Osella-Ford FA1M-E
    Paolo Barilla          Minardi-Ford M190
    Gabriele Tarquini      AGS-Ford JH25
    Bertrand Gachot        Coloni-Ford FC189C
    
Did Not Pre-qualify    
    Roberto Moreno         EuroBrun-Judd ER189B
    Claudio Langes         EuroBrun-Judd ER189B
    Bruno Giacomelli       Life-Judd L190

Qualifying Times:

 1. Nigel Mansell          Ferrari 641                  1:13.557 (212.896 km/h)
 2. Alain Prost            Ferrari 641                 -   0.038
 3. Ayrton Senna           McLaren-Honda MP4/5B        -   0.044
 4. Gerhard Berger         McLaren-Honda MP4/5B        -   0.735
 5. Riccardo Patrese       Williams-Renault FW13B      -   1.166
 6. Nelson Piquet          Benetton-Ford B190          -   1.171
 7. Thierry Boutsen        Williams-Renault FW13B      -   1.377
 8. Jean Alesi             Tyrrell-Ford 019            -   1.565
 9. Alessandro Nannini     Benetton-Ford B190          -   1.854
10. Eric Bernard           Lola-Lamborghini 90         -   2.116
11. Aguri Suzuki           Lola-Lamborghini 90         -   2.455
12. Ivan Capelli           Leyton House-Judd CG901     -   2.727
13. Emanuele Pirro         Dallara-Ford 190            -   2.733
14. Mauricio Gugelmin      Leyton House-Judd CG901     -   2.739
15. Martin Donnelly        Lotus-Lamborghini 102       -   3.205
16. Pierluigi Martini      Minardi-Ford M190           -   3.238
17. Alex Caffi             Arrows-Ford A11B            -   3.389
18. Andrea de Cesaris      Dallara-Ford 190            -   3.509
19. Michele Alboreto       Arrows-Ford A11B            -   3.524
20. Philippe Alliot        Ligier-Ford JS33B           -   3.563
21. Derek Warwick          Lotus-Lamborghini 102       -   3.702
22. Nicola Larini          Ligier-Ford JS33B           -   3.712
23. Stefano Modena         Brabham-Judd BT59           -   3.784
24. Yannick Dalmas         AGS-Ford JH25               -   4.064
25. David Brabham          Brabham-Judd BT59           -   4.158

Did Not Qualify
26. Olivier Grouillard     Osella-Ford FA1M-E          -   4.218
27. Paolo Barilla          Minardi-Ford M190           -   4.723
28. Gabriele Tarquini      AGS-Ford JH25               -   5.258
29. Bertrand Gachot        Coloni-Ford FC189C          -   6.959

Did Not Pre-qualify
30. Roberto Moreno         EuroBrun-Judd ER189B        -   7.631
31. Claudio Langes         EuroBrun-Judd ER189B        -   9.890
32. Bruno Giacomelli       Life-Judd L190               No time