| «1981-15» | Las Vegas Grand Prix - I Caesar's Palace Grand Prix |
| 1981-10-17 | Caesars Palace - 75 laps × 3.65 km : 273.75 km |
| Pos | Grid | Car | Driver | Constructor | Time | Gap | Interval |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 2 | Carlos Reutemann | Williams • Ford Cosworth | 01:17.821 | 168.849 km/h | |
| 2 | 2 | 1 | Alan Jones | Williams • Ford Cosworth | 01:17.995 | +00.174 (+0.224%) | +00.174 |
| 3 | 3 | 27 | Gilles Villeneuve | Ferrari | 01:18.060 | +00.239 (+0.307%) | +00.065 |
| 4 | 4 | 5 | Nelson Piquet | Brabham • Ford Cosworth | 01:18.161 | +00.340 (+0.437%) | +00.101 |
| 5 | 5 | 15 | Alain Prost | Renault | 01:18.433 | +00.612 (+0.786%) | +00.272 |
| 6 | 6 | 7 | John Watson | McLaren • Ford Cosworth | 01:18.617 | +00.796 (+1.023%) | +00.184 |
| 7 | 7 | 25 | Patrick Tambay | Ligier • Matra | 01:18.681 | +00.860 (+1.105%) | +00.064 |
| 8 | 8 | 23 | Bruno Giacomelli | Alfa Romeo | 01:18.792 | +00.971 (+1.248%) | +00.111 |
| 9 | 9 | 12 | Nigel Mansell | Lotus • Ford Cosworth | 01:19.044 | +01.223 (+1.572%) | +00.252 |
| 10 | 10 | 22 | Mario Andretti | Alfa Romeo | 01:19.068 | +01.247 (+1.602%) | +00.024 |
| 11 | 11 | 29 | Riccardo Patrese | Arrows • Ford Cosworth | 01:19.152 | +01.331 (+1.710%) | +00.084 |
| 12 | 12 | 26 | Jacques Laffite | Ligier • Matra | 01:19.167 | +01.346 (+1.730%) | +00.015 |
| 13 | 13 | 16 | René Arnoux | Renault | 01:19.197 | +01.376 (+1.768%) | +00.030 |
| 14 | 14 | 8 | Andrea de Cesaris | McLaren • Ford Cosworth | 01:19.217 | +01.396 (+1.794%) | +00.020 |
| 15 | 15 | 11 | Elio de Angelis | Lotus • Ford Cosworth | 01:19.562 | +01.741 (+2.237%) | +00.345 |
| 16 | 16 | 6 | Hector Rebaque | Brabham • Ford Cosworth | 01:19.571 | +01.750 (+2.249%) | +00.009 |
| 17 | 17 | 4 | Michele Alboreto | Tyrrell • Ford Cosworth | 01:19.774 | +01.953 (+2.510%) | +00.203 |
| 18 | 18 | 28 | Didier Pironi | Ferrari | 01:19.899 | +02.078 (+2.670%) | +00.125 |
| 19 | 19 | 3 | Eddie Cheever | Tyrrell • Ford Cosworth | 01:20.475 | +02.654 (+3.410%) | +00.576 |
| 20 | 20 | 20 | Keke Rosberg | Fittipaldi • Ford Cosworth | 01:20.729 | +02.908 (+3.737%) | +00.254 |
| 21 | 21 | 32 | Jean-Pierre Jarier | Osella • Ford Cosworth | 01:20.781 | +02.960 (+3.804%) | +00.052 |
| 22 | 22 | 36 | Derek Warwick | Toleman • Hart | 01:21.294 | +03.473 (+4.463%) | +00.513 |
| 23 | 23 | 33 | Marc Surer | Theodore • Ford Cosworth | 01:21.430 | +03.609 (+4.638%) | +00.136 |
| 24 | 24 | 14 | Eliseo Salazar | Ensign • Ford Cosworth | 01:21.629 | +03.808 (+4.893%) | +00.199 |
| 25 | 9 | Slim Borgudd | ATS • Ford Cosworth | 01:21.665 | +03.844 (+4.940%) | +00.036 | |
| 26 | 21 | Chico Serra | Fittipaldi • Ford Cosworth | 01:21.672 | +03.851 (+4.949%) | +00.007 | |
| 27 | 17 | Derek Daly | March • Ford Cosworth | 01:21.824 | +04.003 (+5.144%) | +00.152 | |
| 28 | 30 | Jacques Sr Villeneuve | Arrows • Ford Cosworth | 01:22.822 | +05.001 (+6.426%) | +00.998 | |
| 29 | 35 | Brian Henton | Toleman • Hart | 01:22.960 | +05.139 (+6.604%) | +00.138 | |
| 30 | 31 | Beppe Gabbiani | Osella • Ford Cosworth | 01:26.634 | +08.813 (+11.325%) | +03.674 |