| «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 | Constructor | Points | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Williams • Ford Cosworth | 15 | 15 | 9 | 4 | 9 | 6 | 3 | - | 6 | - | 5 | 4 | 10 | - | 9 | 95 |
| 2 | Brabham • Ford Cosworth | 4 | - | 9 | 12 | - | - | - | 4 | 2 | 12 | 4 | 9 | 1 | 2 | 2 | 61 |
| 3 | Renault • Renault | - | - | 6 | - | - | - | - | 12 | - | 6 | 6 | 9 | 9 | - | 6 | 54 |
| 4 | Ligier • Matra | - | 1 | - | - | 6 | 4 | 6 | - | 4 | 4 | 9 | - | - | 9 | 1 | 44 |
| 5 | Ferrari • Ferrari | - | - | - | 2 | 3 | 12 | 9 | 2 | - | - | - | - | 2 | 4 | - | 34 |
| 6 | McLaren • Ford Cosworth | - | - | - | 1 | - | - | 4 | 6 | 9 | 1 | 1 | - | - | 6 | - | 28 |
| 7 | Lotus • Ford Cosworth | - | 2 | 1 | - | 6 | - | 3 | 1 | - | - | - | 2 | 3 | 1 | 3 | 22 |
| 8 | Arrows • Ford Cosworth | - | 4 | - | 6 | - | - | - | - | - | - | - | - | - | - | - | 10 |
| 9 | Alfa Romeo • Alfa Romeo | 3 | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 4 | 10 |
| 10 | Tyrrell • Ford Cosworth | 2 | - | - | - | 1 | 2 | - | - | 3 | 2 | - | - | - | - | - | 10 |
| 11 | Ensign • Ford Cosworth | - | 3 | - | - | - | 1 | - | - | - | - | - | 1 | - | - | - | 5 |
| 12 | ATS • Ford Cosworth | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | 1 |
| 13 | Theodore • Ford Cosworth | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| - | March • Ford Cosworth | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| - | Fittipaldi • Ford Cosworth | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| - | Osella • Ford Cosworth | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| - | Toleman • Hart | - | - | - | - | - | - | - | - | - | - | - | - | - |
Points System
9-6-4-3-2-1 points for the top 6 places.
Best 11 results count toward Drivers' championship.
All results count towards Constructors' championship.
Half points are awarded for races stopped before three-quarter-distance was completed.
Second drivers of teams that officially entered only one car are not eligible for points. Their points are not redistributed.