Italian Grand Prix 1991 : résultats — Course
Autodromo Nazionale di Monza, Monza
| Pos | Driver | Team | Grid | Time / status | Pts |
|---|---|---|---|---|---|
| 1 | Nigel Mansell | Williams | 2 | 1:17:54.319 | 10 |
| 2 | Ayrton Senna | McLaren | 1 | +16.262 | 6 |
| 3 | Alain Prost | Ferrari | 5 | +16.829 | 4 |
| 4 | Gerhard Berger | McLaren | 3 | +27.719 | 3 |
| 5 | Michael Schumacher | Benetton | 7 | +34.463 | 2 |
| 6 | Nelson Piquet | Benetton | 8 | +45.600 | 1 |
| 7 | Andrea de Cesaris | Jordan | 14 | +51.136 | 0 |
| 8 | Ivan Capelli | Leyton House | 12 | +1:15.019 | 0 |
| 9 | Gianni Morbidelli | Minardi | 17 | +1 Lap | 0 |
| 10 | Emanuele Pirro | Dallara | 16 | +1 Lap | 0 |
| 11 | Érik Comas | Ligier | 22 | +1 Lap | 0 |
| 12 | Mark Blundell | Brabham | 11 | +1 Lap | 0 |
| 13 | Martin Brundle | Brabham | 19 | +1 Lap | 0 |
| 14 | Mika Häkkinen | Team Lotus | 25 | +4 Laps | 0 |
| 15 | Maurício Gugelmin | Leyton House | 18 | +4 Laps | 0 |
| 16 | Nicola Larini | Lambo | 23 | +5 Laps | 0 |
| 17 | Olivier Grouillard | Fondmetal | 26 | Engine | 0 |
| 18 | Jyrki Järvilehto | Dallara | 20 | Overheating | 0 |
| 19 | Stefano Modena | Tyrrell | 13 | Engine | 0 |
| 20 | Jean Alesi | Ferrari | 6 | Engine | 0 |
| 21 | Riccardo Patrese | Williams | 4 | Gearbox | 0 |
| 22 | Satoru Nakajima | Tyrrell | 15 | Throttle | 0 |
| 23 | Éric Bernard | Lola | 24 | Engine | 0 |
| 24 | Pierluigi Martini | Minardi | 10 | Spun off | 0 |
| 25 | Roberto Moreno | Jordan | 9 | Spun off | 0 |
| 26 | Thierry Boutsen | Ligier | 21 | Spun off | 0 |