| «1983-13» | Italy Grand Prix - LIV Gran Premio d'Italia |
| 1983-09-11 | Monza - Autodromo Nazionale di Monza - 52 laps × 5.8 km : 301.6 km |
| Pos | Grid | Car | Driver | Constructor | Laps | Time / Gap | Interval | Points |
|---|---|---|---|---|---|---|---|---|
| 1 | 4 | 5 | Nelson Piquet | Brabham • BMW | 52 | 1:23:10.880 | 217.549 km/h | 9 |
| 2 | 3 | 28 | René Arnoux | Ferrari | 52 | +10.212 | +10.212 | 6 |
| 3 | 7 | 16 | Eddie Cheever | Renault | 52 | +18.612 | +08.400 | 4 |
| 4 | 2 | 27 | Patrick Tambay | Ferrari | 52 | +29.023 | +10.411 | 3 |
| 5 | 8 | 11 | Elio de Angelis | Lotus • Renault | 52 | +53.680 | +24.657 | 2 |
| 6 | 12 | 35 | Derek Warwick | Toleman • Hart | 52 | +01:13.348 | +19.668 | 1 |
| 7 | 14 | 36 | Bruno Giacomelli | Toleman • Hart | 52 | +01:33.922 | +20.574 | |
| 8 | 11 | 12 | Nigel Mansell | Lotus • Renault | 52 | +01:36.035 | +02.113 | |
| 9 | 19 | 25 | Jean-Pierre Jarier | Ligier • Ford Cosworth | 51 | +1 lap | ||
| 10 | 20 | 29 | Marc Surer | Arrows • Ford Cosworth | 51 | +1 lap | ||
| 11 | 16 | 1 | Keke Rosberg | Williams • Ford Cosworth | 51 | 1mn penalty | ||
| 12 | 26 | 34 | Johnny Cecotto | Theodore • Ford Cosworth | 50 | +2 laps | ||
| 13 | 21 | 33 | Roberto Guerrero | Theodore • Ford Cosworth | 50 | +2 laps | ||
| 25 | 31 | Corrado Fabi | Osella • Alfa Romeo | 45 | engine | |||
| 22 | 4 | Danny Sullivan | Tyrrell • Ford Cosworth | 44 | fuel pump | |||
| 18 | 30 | Thierry Boutsen | Arrows • Ford Cosworth | 41 | valve | |||
| 9 | 9 | Manfred Winkelhock | ATS • BMW | 35 | exhaust | |||
| 24 | 3 | Michele Alboreto | Tyrrell • Ford Cosworth | 28 | clutch | |||
| 5 | 15 | Alain Prost | Renault | 26 | turbo | |||
| 13 | 8 | Niki Lauda | McLaren • TAG Porsche | 24 | electrics | |||
| 15 | 7 | John Watson | McLaren • TAG Porsche | 13 | fuel injection | |||
| 23 | 32 | Piercarlo Ghinzani | Osella • Alfa Romeo | 10 | gearbox | |||
| 10 | 23 | Mauro Baldi | Alfa Romeo | 4 | turbo | |||
| 17 | 40 | Stefan Johansson | Spirit • Honda | 4 | distributor | |||
| 1 | 6 | Riccardo Patrese | Brabham • BMW | 2 | engine | |||
| 6 | 22 | Andrea de Cesaris | Alfa Romeo | 2 | spin | |||
| DNQ | 26 | Raul Boesel | Ligier • Ford Cosworth | |||||
| DNQ | 2 | Jacques Laffite | Williams • Ford Cosworth | |||||
| DNQ | 17 | Kenny Acheson | RAM March • Ford Cosworth |
Fastest lap - 01:34.431 - 221.114 km/h - Nelson Piquet (lap 20)