Gran Premio de San Marino 2003
Ronda 4 de la temporada 2003 de Fórmula 1, disputada el 20 de abril de 2003.
Circuito: Autodromo Enzo e Dino Ferrari
Michael Schumacher ganó con Ferrari. Pole: Michael Schumacher.
Clasificación final
| Pos. | Piloto | Equipo | Parrilla | Vueltas | Tiempo | Puntos |
|---|---|---|---|---|---|---|
| 1 | Michael Schumacher | Ferrari | 1 | 62 | 1:28:12.058 | 10 |
| 2 | Kimi Räikkönen | McLaren | 6 | 62 | +1.882 | 8 |
| 3 | Rubens Barrichello | Ferrari | 3 | 62 | +2.291 | 6 |
| 4 | Ralf Schumacher | Williams | 2 | 62 | +8.803 | 5 |
| 5 | David Coulthard | McLaren | 12 | 62 | +9.411 | 4 |
| 6 | Fernando Alonso | Renault | 8 | 62 | +43.689 | 3 |
| 7 | Juan Pablo Montoya | Williams | 4 | 62 | +45.271 | 2 |
| 8 | Jenson Button | BAR | 9 | 61 | +1 Lap | 1 |
| 9 | Olivier Panis | Toyota | 10 | 61 | +1 Lap | 0 |
| 10 | Nick Heidfeld | Sauber | 11 | 61 | +1 Lap | 0 |
| 11 | Heinz-Harald Frentzen | Sauber | 14 | 61 | +1 Lap | 0 |
| 12 | Cristiano da Matta | Toyota | 13 | 61 | +1 Lap | 0 |
| 13 | Jarno Trulli | Renault | 16 | 61 | +1 Lap | 0 |
| 14 | Antônio Pizzonia | Jaguar | 15 | 60 | +2 Laps | 0 |
| 15 | Giancarlo Fisichella | Jordan | 17 | 57 | +5 Laps | 0 |
| R | Mark Webber | Jaguar | 5 | 54 | Driveshaft | 0 |
| R | Ralph Firman | Jordan | 19 | 51 | Oil line | 0 |
| R | Jos Verstappen | Minardi | 20 | 38 | Electrical | 0 |
| R | Justin Wilson | Minardi | 18 | 23 | Fuel rig | 0 |
| R | Jacques Villeneuve | BAR | 7 | 19 | Engine | 0 |
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