Grand Prix d'Italie 1991
Manche 12 de la saison 1991 de Formule 1, disputée le 8 septembre 1991.
Circuit : Autodromo Nazionale di Monza
Nigel Mansell s'est imposé avec Williams. Pole position : Ayrton Senna.
Classement
| Pos. | Pilote | Écurie | Grille | Tours | Temps | Points |
|---|---|---|---|---|---|---|
| 1 | Nigel Mansell | Williams | 2 | 53 | 1:17:54.319 | 10 |
| 2 | Ayrton Senna | McLaren | 1 | 53 | +16.262 | 6 |
| 3 | Alain Prost | Ferrari | 5 | 53 | +16.829 | 4 |
| 4 | Gerhard Berger | McLaren | 3 | 53 | +27.719 | 3 |
| 5 | Michael Schumacher | Benetton | 7 | 53 | +34.463 | 2 |
| 6 | Nelson Piquet | Benetton | 8 | 53 | +45.600 | 1 |
| 7 | Andrea de Cesaris | Jordan | 14 | 53 | +51.136 | 0 |
| 8 | Ivan Capelli | Leyton House | 12 | 53 | +1:15.019 | 0 |
| 9 | Gianni Morbidelli | Minardi | 17 | 52 | +1 Lap | 0 |
| 10 | Emanuele Pirro | Dallara | 16 | 52 | +1 Lap | 0 |
| 11 | Érik Comas | Ligier | 22 | 52 | +1 Lap | 0 |
| 12 | Mark Blundell | Brabham | 11 | 52 | +1 Lap | 0 |
| 13 | Martin Brundle | Brabham | 19 | 52 | +1 Lap | 0 |
| 14 | Mika Häkkinen | Team Lotus | 25 | 49 | +4 Laps | 0 |
| 15 | Maurício Gugelmin | Leyton House | 18 | 49 | +4 Laps | 0 |
| 16 | Nicola Larini | Lambo | 23 | 48 | +5 Laps | 0 |
| R | Olivier Grouillard | Fondmetal | 26 | 46 | Engine | 0 |
| R | Jyrki Järvilehto | Dallara | 20 | 35 | Overheating | 0 |
| R | Stefano Modena | Tyrrell | 13 | 32 | Engine | 0 |
| R | Jean Alesi | Ferrari | 6 | 29 | Engine | 0 |
| R | Riccardo Patrese | Williams | 4 | 27 | Gearbox | 0 |
| R | Satoru Nakajima | Tyrrell | 15 | 24 | Throttle | 0 |
| R | Éric Bernard | Lola | 24 | 21 | Engine | 0 |
| R | Pierluigi Martini | Minardi | 10 | 8 | Spun off | 0 |
| R | Roberto Moreno | Jordan | 9 | 2 | Spun off | 0 |
| R | Thierry Boutsen | Ligier | 21 | 1 | Spun off | 0 |
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