1981 Grand Prix of USA-Las Vegas
17 October - Caesars Palace: 273.750km (3.650km x 75 laps)


Pole Position: Carlos Reutemann, Williams-Ford FW07C, 1:17.821


Results
 1. Alan Jones                Williams-Ford FW07C      1:44:09.077 (157.703 km/h)
 2. Alain Prost               Renault RE30            -     20.048
 3. Bruno Giacomelli          Alfa Romeo 179C         -     20.428
 4. Nigel Mansell             Lotus-Ford 87           -     47.473
 5. Nelson Piquet             Brabham-Ford BT49C      -   1:16.438
 6. Jacques Laffite           Ligier-Matra JS17       -   1:18.175
 7. John Watson               McLaren-Ford MP4        -   1:18.497
 8. Carlos Reutemann          Williams-Ford FW07C     -  1 lap
 9. Didier Pironi             Ferrari 126CK           -  2 laps
10. Keke Rosberg              Fittipaldi-Ford F8C     -  2 laps
11. Riccardo Patrese          Arrows-Ford A3          -  4 laps
12. Andrea de Cesaris         McLaren-Ford MP4        -  6 laps
    
Fastest lap: Didier Pironi, 1:20.156 (163.930 km/h on lap 49)
    

Retirements    
    Michele Alboreto          Tyrrell-Ford 011        -  8 laps (Engine)
    Eliseo Salazar            Ensign-Ford N180B       - 14 laps (Not classified)
    Derek Warwick             Toleman-Hart TG181      - 33 laps (Gearbox)
    Mario Andretti            Alfa Romeo 179D         - 46 laps (Rear Suspension/Accident)
    Gilles Villeneuve         Ferrari 126CK           - 53 laps (Disqualified/Started from wrong grid position)
    Hector Rebaque            Brabham-Ford BT49C      - 55 laps (Throttle/Spin)
    Marc Surer                Theodore-Ford TY01      - 56 laps (Rear suspension)
    René Arnoux               Renault RE30            - 65 laps (Electrics)
    Eddie Cheever             Tyrrell-Ford 011        - 65 laps (Engine)
    Patrick Tambay            Ligier-Matra JS17       - 73 laps (Accident)
    Elio de Angelis           Lotus-Ford 87           - 73 laps (Water leak)
    Jean-Pierre Jarier        Osella-Ford FA1C        - 75 laps (Transmission)
    
Did Not Qualify    
    Slim Borgudd              ATS-Ford HGS1
    Chico Serra               Fittipaldi-Ford F8C
    Derek Daly                March-Ford 811
    Jacques Villeneuve        Arrows-Ford A3
    Brian Henton              Toleman-Hart TG181
    Beppe Gabbiani            Osella-Ford FA1B


    Race leaders:
    Alan Jones                 1-75 (75 laps = 273.749 km)
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                                Starting Grid

 1. Carlos Reutemann          Williams-Ford FW07C      1:17.821 (168.849 km/h)
 2. Alan Jones                Williams-Ford FW07C     -   0.174
 3. Gilles Villeneuve         Ferrari 126CK           -   0.239
 4. Nelson Piquet             Brabham-Ford BT49C      -   0.340
 5. Alain Prost               Renault RE30            -   0.612
 6. John Watson               McLaren-Ford MP4        -   0.796
 7. Patrick Tambay            Ligier-Matra JS17       -   0.860
 8. Bruno Giacomelli          Alfa Romeo 179C         -   0.971
 9. Nigel Mansell             Lotus-Ford 87           -   1.223
10. Mario Andretti            Alfa Romeo 179D         -   1.247
11. Riccardo Patrese          Arrows-Ford A3          -   1.331
12. Jacques Laffite           Ligier-Matra JS17       -   1.346
13. René Arnoux               Renault RE30            -   1.376
14. Andrea de Cesaris         McLaren-Ford MP4        -   1.396
15. Elio de Angelis           Lotus-Ford 87           -   1.741
16. Hector Rebaque            Brabham-Ford BT49C      -   1.750
17. Michele Alboreto          Tyrrell-Ford 011        -   1.953
18. Didier Pironi             Ferrari 126CK           -   2.078
19. Eddie Cheever             Tyrrell-Ford 011        -   2.654
20. Keke Rosberg              Fittipaldi-Ford F8C     -   2.908
21. Jean-Pierre Jarier        Osella-Ford FA1C        -   2.960
22. Derek Warwick             Toleman-Hart TG181      -   3.473
23. Marc Surer                Theodore-Ford TY01      -   3.609
24. Eliseo Salazar            Ensign-Ford N180B       -   3.808
    
Did Not Qualify
25. Slim Borgudd              ATS-Ford HGS1           -   3.844
26. Chico Serra               Fittipaldi-Ford F8C     -   3.851
27. Derek Daly                March-Ford 811          -   4.003
28. Jacques Villeneuve        Arrows-Ford A3          -   5.001
29. Brian Henton              Toleman-Hart TG181      -   5.139
30. Beppe Gabbiani            Osella-Ford FA1B        -   8.813