| «1981-13» | Italy Grand Prix - LII Gran Premio d'Italia |
| 1981-09-13 | Monza - Autodromo Nazionale di Monza - 52 laps × 5.8 km : 301.6 km |
| Pos | Car | Driver | Constructor | Time | Speed | Lap | Gap |
|---|---|---|---|---|---|---|---|
| 1 | 2 | Carlos Reutemann | Williams • Ford Cosworth | 01:37.528 | 214.092 km/h | 48 | |
| 2 | 1 | Alan Jones | Williams • Ford Cosworth | 01:37.536 | 214.075 km/h | 47 | +00.008 |
| 3 | 5 | Nelson Piquet | Brabham • Ford Cosworth | 01:37.598 | 213.939 km/h | 45 | +00.070 |
| 4 | 15 | Alain Prost | Renault | 01:37.702 | 213.711 km/h | 9 | +00.174 |
| 5 | 16 | René Arnoux | Renault | 01:37.886 | 213.309 km/h | 8 | +00.358 |
| 6 | 23 | Bruno Giacomelli | Alfa Romeo | 01:37.893 | 213.294 km/h | 48 | +00.365 |
| 7 | 11 | Elio de Angelis | Lotus • Ford Cosworth | 01:38.498 | 211.984 km/h | 31 | +00.970 |
| 8 | 26 | Jacques Laffite | Ligier • Matra | 01:38.532 | 211.911 km/h | 5 | +01.004 |
| 9 | 25 | Patrick Tambay | Ligier • Matra | 01:38.575 | 211.818 km/h | 9 | +01.047 |
| 10 | 27 | Gilles Villeneuve | Ferrari | 01:38.814 | 211.306 km/h | 3 | +01.286 |
| 11 | 17 | Derek Daly | March • Ford Cosworth | 01:39.139 | 210.613 km/h | 8 | +01.611 |
| 12 | 7 | John Watson | McLaren • Ford Cosworth | 01:39.366 | 210.132 km/h | 8 | +01.838 |
| 13 | 8 | Andrea de Cesaris | McLaren • Ford Cosworth | 01:39.481 | 209.889 km/h | 32 | +01.953 |
| 14 | 22 | Mario Andretti | Alfa Romeo | 01:39.585 | 209.670 km/h | 30 | +02.057 |
| 15 | 28 | Didier Pironi | Ferrari | 01:39.652 | 209.529 km/h | 9 | +02.124 |
| 16 | 14 | Eliseo Salazar | Ensign • Ford Cosworth | 01:40.131 | 208.527 km/h | 7 | +02.603 |
| 17 | 3 | Eddie Cheever | Tyrrell • Ford Cosworth | 01:40.165 | 208.456 km/h | 7 | +02.637 |
| 18 | 12 | Nigel Mansell | Lotus • Ford Cosworth | 01:40.257 | 208.265 km/h | 4 | +02.729 |
| 19 | 4 | Michele Alboreto | Tyrrell • Ford Cosworth | 01:40.628 | 207.497 km/h | 7 | +03.100 |
| 20 | 29 | Riccardo Patrese | Arrows • Ford Cosworth | 01:40.845 | 207.050 km/h | 7 | +03.317 |
| 21 | 9 | Slim Borgudd | ATS • Ford Cosworth | 01:41.117 | 206.493 km/h | 4 | +03.589 |
| 22 | 32 | Jean-Pierre Jarier | Osella • Ford Cosworth | 01:41.835 | 205.038 km/h | 3 | +04.307 |
| 23 | 35 | Brian Henton | Toleman • Hart | 01:43.825 | 201.108 km/h | 3 | +06.297 |