| «1983-04» | San Marino Grand Prix - III Gran Premio di San Marino |
| 1983-05-01 | Imola - Autodromo Internazionale Enzo e Dino Ferrari - 60 laps × 5.04 km : 302.4 km |
| Pos | Grid | Car | Driver | Constructor | Laps | Time / Gap | Interval | Points |
|---|---|---|---|---|---|---|---|---|
| 1 | 3 | 27 | Patrick Tambay | Ferrari | 60 | 1:37:52.460 | 185.381 km/h | 9 |
| 2 | 4 | 15 | Alain Prost | Renault | 60 | +48.781 | +48.781 | 6 |
| 3 | 1 | 28 | René Arnoux | Ferrari | 59 | +1 lap | 4 | |
| 4 | 11 | 1 | Keke Rosberg | Williams • Ford Cosworth | 59 | +1 lap | 3 | |
| 5 | 24 | 7 | John Watson | McLaren • Ford Cosworth | 59 | +1 lap | 2 | |
| 6 | 12 | 29 | Marc Surer | Arrows • Ford Cosworth | 59 | +1 lap | 1 | |
| 7 | 16 | 2 | Jacques Laffite | Williams • Ford Cosworth | 59 | +1 lap | ||
| 8 | 20 | 30 | Chico Serra | Arrows • Ford Cosworth | 58 | +2 laps | ||
| 9 | 25 | 26 | Raul Boesel | Ligier • Ford Cosworth | 58 | +2 laps | ||
| 10 | 10 | 23 | Mauro Baldi | Alfa Romeo | 57 | engine | ||
| 11 | 7 | 9 | Manfred Winkelhock | ATS • BMW | 57 | +3 laps | ||
| 12 | 15 | 12 | Nigel Mansell | Lotus • Ford Cosworth | 56 | wing | ||
| 13 | 5 | 6 | Riccardo Patrese | Brabham • BMW | 54 | accident | ||
| 8 | 22 | Andrea de Cesaris | Alfa Romeo | 45 | distributor | |||
| 9 | 11 | Elio de Angelis | Lotus • Renault | 43 | handling | |||
| 2 | 5 | Nelson Piquet | Brabham • BMW | 41 | valve | |||
| 19 | 25 | Jean-Pierre Jarier | Ligier • Ford Cosworth | 39 | radiator | |||
| 22 | 4 | Danny Sullivan | Tyrrell • Ford Cosworth | 37 | accident | |||
| 14 | 35 | Derek Warwick | Toleman • Hart | 27 | accident | |||
| 26 | 31 | Corrado Fabi | Osella • Ford Cosworth | 20 | spin | |||
| 17 | 36 | Bruno Giacomelli | Toleman • Hart | 20 | suspension | |||
| 18 | 8 | Niki Lauda | McLaren • Ford Cosworth | 11 | accident | |||
| 23 | 34 | Johnny Cecotto | Theodore • Ford Cosworth | 11 | accident | |||
| 13 | 3 | Michele Alboreto | Tyrrell • Ford Cosworth | 10 | accident | |||
| 21 | 33 | Roberto Guerrero | Theodore • Ford Cosworth | 3 | accident | |||
| 6 | 16 | Eddie Cheever | Renault | 2 | turbo | |||
| DNQ | 17 | Eliseo Salazar | RAM March • Ford Cosworth | |||||
| DNQ | 32 | Piercarlo Ghinzani | Osella • Alfa Romeo | |||||
| WDR | 18 | Jean-Louis Schlesser | RAM March • Ford Cosworth | not present |
Fastest lap - 01:34.437 - 192.128 km/h - Riccardo Patrese (lap 47)