Ronda 4 — tiempos Q1, Q2 y Q3 - 2005-04-24
Kimi Räikkönen (McLaren) firmó la pole del San Marino Grand Prix de 2005 con un crono de 1:22.994.
Fernando Alonso (Renault) completó la primera fila a 0.558s de la pole, con Jenson Button (BAR) tercero en parrilla. Rubens Barrichello (Ferrari) entró a Q3 en P10, mientras que Ralf Schumacher (Toyota) se quedó fuera por 0.071s.
La Q3 se decidió en un margen de 1.357s — de la pole a P10 — con Rubens Barrichello (Ferrari) cerrando el top 10.
| Pos | Piloto | Escudería | Q1 | Q2 | Q3 | Diferencia |
|---|---|---|---|---|---|---|
| 1 | 7Kimi Räikkönen | McLaren | 1:19.886 | 1:22.994 | — | 1:22.994 |
| 2 | 14Fernando Alonso | Renault | 1:19.889 | 1:23.552 | — | +0.558 |
| 3 | 22Jenson Button | BAR | 1:20.464 | 1:23.641 | — | +0.647 |
| 4 |
| Mark Webber |
| Williams |
| 1:20.442 |
| 1:24.069 |
| — |
| +1.075 |
| 5 | Jarno Trulli | Toyota | 1:20.492 | 1:24.026 | — | +1.032 |
| 6 | Takuma Sato | BAR | 1:20.851 | 1:23.807 | — | +0.813 |
| 7 | Alexander Wurz | McLaren | 1:20.632 | 1:24.057 | — | +1.063 |
| 8 | 19Felipe Massa | Sauber | 1:20.593 | 1:24.337 | — | +1.343 |
| 9 | Nick Heidfeld | Williams | 1:20.807 | 1:24.389 | — | +1.395 |
| 10 | Rubens Barrichello | Ferrari | 1:20.892 | 1:24.351 | — | +1.357 |
| 11 | Ralf Schumacher | Toyota | 1:20.994 | 1:24.422 | — | +1.428 |
| 12 | Jacques Villeneuve | Sauber | 1:20.999 | 1:25.260 | — | +2.266 |
| 13 | Giancarlo Fisichella | Renault | 1:21.708 | 1:25.002 | — | +2.008 |
| 14 | Michael Schumacher | Ferrari | 1:20.260 | 1:26.984 | — | +3.990 |
| 15 | David Coulthard | Red Bull | 1:21.632 | 1:26.438 | — | +3.444 |
| 16 | Vitantonio Liuzzi | Red Bull | 1:21.804 | 1:26.351 | — | +3.357 |
| 17 | Narain Karthikeyan | Jordan | 1:23.123 | 1:28.976 | — | +5.982 |
| 18 | Tiago Monteiro | Jordan | 1:25.100 | 1:29.152 | — | +6.158 |
| 19 | Patrick Friesacher | Minardi | 1:26.484 | 1:30.564 | — | +7.570 |
| 20 | Christijan Albers | Minardi | 1:25.921 | — | — | +2.927 |