Rubens Barrichello won the Italian Grand Prix 2004 at Autodromo Nazionale di Monza on 12 September 2004, starting from pole position. Michael Schumacher finished second for Ferrari, with Jenson Button completing the podium for BAR. Rubens Barrichello set the fastest lap with a time of 1:21.046.
| Pos | Grid | Driver | Team | Laps | Time / Status | Pts | FL |
|---|---|---|---|---|---|---|---|
| 1 | 1 | Rubens BarrichelloBAR | Ferrari | 53 | 1:15:18.448 | 10 | ⚡ 1:21.046 |
| 2 | 3 | Michael SchumacherMSC | Ferrari | 53 | +1.347 | 8 | |
| 3 | 6 | Jenson ButtonBUT | BAR | 53 | +10.197 | 6 | |
| 4 | 5 | Takuma SatoSAT | BAR | 53 | +15.370 | 5 | |
| 5 | 2 | Juan Pablo MontoyaMON | Williams | 53 | +32.352 | 4 | |
| 6 | 10 | David CoulthardCOU | McLaren | 53 | +33.439 | 3 | |
| 7 | 8 | Antônio PizzoniaPIZ | Williams | 53 | +33.752 | 2 | |
| 8 | 15 | Giancarlo FisichellaFIS | Sauber | 53 | +35.431 | 1 | |
| 9 | 12 | Mark WebberWEB | Jaguar | 53 | +56.761 | 0 | |
| 10 | 9 | Jarno TrulliTRU | Renault | 53 | +1:06.316 | 0 | |
| 11 | 11 | Ricardo ZontaZON | Toyota | 53 | +1:22.531 | 0 | |
| 12 | 16 | Felipe MassaMAS | Sauber | 52 | +1 Lap | 0 | |
| 13 | 14 | Christian KlienKLI | Jaguar | 52 | +1 Lap | 0 | |
| 14 | 20 | Nick HeidfeldHEI | Jordan | 52 | +1 Lap | 0 | |
| 15 | 19 | Zsolt BaumgartnerBAU | Minardi | 50 | +3 Laps | 0 | |
| R | 4 | Fernando AlonsoALO | Renault | 40 | Spun off | 0 | |
| R | 17 | Giorgio PantanoPAN | Jordan | 33 | Accident | 0 | |
| R | 18 | Gianmaria BruniBRU | Minardi | 29 | Fire | 0 | |
| R | 7 | Kimi RäikkönenRAI | McLaren | 13 | Engine | 0 | |
| R | 13 | Olivier PanisPAN | Toyota | 0 | Collision | 0 |
| Pos | Driver | Team | Q1 | Q2 | Q3 |
|---|---|---|---|---|---|
| 1 | Rubens Barrichello | Ferrari | 1:20.089 | - | - |
| 2 | Juan Pablo Montoya | Williams | 1:20.620 | - | - |
| 3 | Michael Schumacher | Ferrari | 1:20.637 | - | - |
| 4 | Fernando Alonso | Renault | 1:20.645 | - | - |
| 5 | Takuma Sato | BAR | 1:20.715 | - | - |
| 6 | Jenson Button | BAR | 1:20.786 | - | - |
| 7 | Kimi Räikkönen | McLaren | 1:20.877 | - | - |
| 8 | Antônio Pizzonia | Williams | 1:20.888 | - | - |
| 9 | Jarno Trulli | Renault | 1:21.027 | - | - |
| 10 | David Coulthard | McLaren | 1:21.049 | - | - |
| 11 | Ricardo Zonta | Toyota | 1:21.520 | - | - |
| 12 | Mark Webber | Jaguar | 1:21.602 | - | - |
| 13 | Olivier Panis | Toyota | 1:21.841 | - | - |
| 14 | Christian Klien | Jaguar | 1:21.989 | - | - |
| 15 | Giancarlo Fisichella | Sauber | 1:22.239 | - | - |
| 16 | Felipe Massa | Sauber | 1:22.287 | - | - |
| 17 | Nick Heidfeld | Jordan | 1:22.301 | - | - |
| 18 | Giorgio Pantano | Jordan | 1:23.239 | - | - |
| 19 | Zsolt Baumgartner | Minardi | 1:24.808 | - | - |
| 20 | Gianmaria Bruni | Minardi | 1:24.910 | - | - |