Round 12 · 8 September 1991
1991 Italian Grand Prix: results
Nigel Mansell (Williams) won the 1991 Italian Grand Prix, round 12 of the championship, held on 8 September 1991 at Autodromo Nazionale di Monza (Italy), starting from position 2. Ayrton Senna (McLaren) and Alain Prost (Ferrari) completed the podium. Pole position went to Ayrton Senna.
Final classification
| Pos | Driver | Team | Grid | Time / gap | Pts | Status |
|---|---|---|---|---|---|---|
| 1 | Nigel Mansell | Williams | 2 | 1:17:54.319 | 10 | Finished |
| 2 | Ayrton Senna | McLaren | 1 | +16.262 s | 6 | Finished |
| 3 | Alain Prost | Ferrari | 5 | +16.829 s | 4 | Finished |
| 4 | Gerhard Berger | McLaren | 3 | +27.719 s | 3 | Finished |
| 5 | Michael Schumacher | Benetton | 7 | +34.463 s | 2 | Finished |
| 6 | Nelson Piquet | Benetton | 8 | +45.600 s | 1 | Finished |
| 7 | Andrea de Cesaris | Jordan | 14 | +51.136 s | — | Finished |
| 8 | Ivan Capelli | Leyton House | 12 | +75.019 s | — | Finished |
| 9 | Gianni Morbidelli | Minardi | 17 | +1 Lap | — | +1 Lap |
| 10 | Emanuele Pirro | Dallara | 16 | +1 Lap | — | +1 Lap |
| 11 | Érik Comas | Ligier | 22 | +1 Lap | — | +1 Lap |
| 12 | Mark Blundell | Brabham | 11 | +1 Lap | — | +1 Lap |
| 13 | Martin Brundle | Brabham | 19 | +1 Lap | — | +1 Lap |
| 14 | Mika Häkkinen | Team Lotus | 25 | +4 Laps | — | +4 Laps |
| 15 | Maurício Gugelmin | Leyton House | 18 | +4 Laps | — | +4 Laps |
| 16 | Nicola Larini | Lambo | 23 | +5 Laps | — | +5 Laps |
| 17 | Olivier Grouillard | Fondmetal | 26 | — | — | Engine |
| 18 | Jyrki Järvilehto | Dallara | 20 | — | — | Overheating |
| 19 | Stefano Modena | Tyrrell | 13 | — | — | Engine |
| 20 | Jean Alesi | Ferrari | 6 | — | — | Engine |
| 21 | Riccardo Patrese | Williams | 4 | — | — | Gearbox |
| 22 | Satoru Nakajima | Tyrrell | 15 | — | — | Throttle |
| 23 | Éric Bernard | Lola | 24 | — | — | Engine |
| 24 | Pierluigi Martini | Minardi | 10 | — | — | Spun off |
| 25 | Roberto Moreno | Jordan | 9 | — | — | Spun off |
| 26 | Thierry Boutsen | Ligier | 21 | — | — | Spun off |