The 1991 Italian Grand Prix was Round 12 of the 1991 FIA Formula 1 World Championship. The event was held at Monza, Italy on Sunday, 8 September 1991. Ayrton Senna started on pole position in the McLaren Honda and Nigel Mansell was the race winner in the Williams Renault.
1991 Coca Cola Italian Grand Prix Race Result
| Pos. | No. | Driver | Nationality | Team | Tyre | Laps | Time/Retired | Race Time | Gap | Interval | Best Lap | Lap | Speed | Started | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Nigel Mansell | Great Britain | Williams Renault | Goodyear | 53 | 1:17:54.319 | 1:17:54.319 | - | - | 1:26.828 | 47 | 236.749 | 2 | 10 |
| 2 | 1 | Ayrton Senna | Brazil | McLaren Honda | Goodyear | 53 | +16.262 | 1:18:10.581 | +16.262 | +16.262 | 1:26.061 | 41 | 235.928 | 1 | 6 |
| 3 | 27 | Alain Prost | France | Ferrari | Goodyear | 53 | +16.829 | 1:18:11.148 | +16.829 | +0.567 | 1:27.247 | 40 | 235.899 | 5 | 4 |
| 4 | 2 | Gerhard Berger | Austria | McLaren Honda | Goodyear | 53 | +27.719 | 1:18:22.038 | +27.719 | +10.890 | 1:27.465 | 43 | 235.353 | 3 | 3 |
| 5 | 19 | Michael Schumacher | Germany | Benetton Ford | Pirelli | 53 | +34.463 | 1:18:28.782 | +34.463 | +6.744 | 1:27.472 | 43 | 235.016 | 7 | 2 |
| 6 | 20 | Nelson Piquet | Brazil | Benetton Ford | Pirelli | 53 | +45.600 | 1:18:39.919 | +45.600 | +11.137 | 1:26.437 | 39 | 234.461 | 8 | 1 |
| 7 | 33 | Andrea de Cesaris | Italy | Jordan Ford | Goodyear | 53 | +51.136 | 1:18:45.455 | +51.136 | +5.536 | 1:27.152 | 51 | 234.186 | 14 | |
| 8 | 16 | Ivan Capelli | Italy | Leyton House Ilmor | Goodyear | 53 | +1:15.019 | 1:19:09.338 | +1:15.019 | +23.883 | 1:28.455 | 27 | 233.009 | 12 | |
| 9 | 24 | Gianni Morbidelli | Italy | Minardi Ferrari | Goodyear | 52 | +1 lap | 1:17:59.979 | 1 lap | 1 lap | 1:27.905 | 37 | 232.001 | 17 | |
| 10 | 21 | Emanuele Pirro | Italy | Dallara Judd | Pirelli | 52 | +1 lap | 1:18:27.296 | 1 lap | +27.317 | 1:28.644 | 45 | 230.654 | 16 | |
| 11 | 26 | Érik Comas | France | Ligier Lamborghini | Goodyear | 52 | +1 lap | 1:18:38.572 | 1 lap | +11.276 | 1:29.568 | 28 | 230.103 | 22 | |
| 12 | 8 | Mark Blundell | Great Britain | Brabham Yamaha | Pirelli | 52 | +1 lap | 1:18:38.585 | 1 lap | +0.013 | 1:26.870 | 51 | 230.102 | 11 | |
| 13 | 7 | Martin Brundle | Great Britain | Brabham Yamaha | Pirelli | 52 | +1 lap | 1:19:11.060 | 1 lap | +32.475 | 1:26.590 | 52 | 228.530 | 19 | |
| 14 | 11 | Mika Häkkinen | Finland | Lotus Judd | Goodyear | 49 | +4 laps | 1:17:56.967 | 4 laps | 3 laps | 1:33.025 | 5 | 218.757 | 25 | |
| 15 | 15 | Maurício Gugelmin | Brazil | Leyton House Ilmor | Goodyear | 49 | +4 laps | 1:18:06.012 | 4 laps | +9.045 | 1:29.354 | 36 | 218.334 | 18 | |
| 16 | 34 | Nicola Larini | Italy | Lambo Lamborghini | Goodyear | 48 | +5 laps | 1:18:41.146 | 5 laps | 1 lap | 1:28.413 | 43 | 212.287 | 23 | |
| DNF | 14 | Olivier Grouillard | France | Fondmetal Ford | Goodyear | 46 | Engine | 1:10:02.058 | 1:29.726 | 41 | 228.573 | 26 | |||
| DNF | 22 | JJ Lehto | Finland | Dallara Judd | Pirelli | 35 | Over Heating | 53:21.942 | 1:28.264 | 30 | 228.236 | 20 | |||
| DNF | 4 | Stefano Modena | Italy | Tyrrell Honda | Pirelli | 32 | Engine | 48:34.629 | 1:29.901 | 12 | 229.243 | 13 | |||
| DNF | 28 | Jean Alesi | France | Ferrari | Goodyear | 29 | Engine | 44:02.549 | 1:27.300 | 28 | 229.142 | 6 | |||
| DNF | 6 | Riccardo Patrese | Italy | Williams Renault | Goodyear | 27 | Gearbox | 39:57.844 | 1:27.552 | 25 | 235.111 | 4 | |||
| DNF | 3 | Satoru Nakajima | Japan | Tyrrell Honda | Pirelli | 24 | Throttle | 36:36.740 | 1:30.140 | 19 | 228.119 | 15 | |||
| DNF | 29 | Éric Bernard | France | Lola Ford | Goodyear | 21 | Engine | 32:12.372 | 1:30.326 | 17 | 226.912 | 24 | |||
| DNF | 23 | Pierluigi Martini | Italy | Minardi Ferrari | Goodyear | 8 | Spun Off | 12:08.571 | 1:28.893 | 6 | 229.270 | 10 | |||
| DNF | 32 | Roberto Moreno | Brazil | Jordan Ford | Goodyear | 2 | Spun Off | 3:12.064 | 1:32.238 | 2 | 217.427 | 9 | |||
| DNF | 25 | Thierry Boutsen | Belgium | Ligier Lamborghini | Goodyear | 1 | Spun Off | 1:45.997 | 1:45.997 | 1 | 196.986 | 21 | |||
| DNQ | 9 | Michele Alboreto | Italy | Footwork Porsche | Goodyear | ||||||||||
| DNQ | 12 | Michael Bartels | Germany | Lotus Judd | Goodyear | ||||||||||
| DNQ | 35 | Eric van de Poele | Belgium | Lambo Lamborghini | Goodyear | ||||||||||
| DNQ | 30 | Aguri Suzuki | Japan | Lola Ford | Goodyear | ||||||||||
| DNPQ | 18 | Fabrizio Barbazza | Italy | AGS Ford | Goodyear | ||||||||||
| DNPQ | 17 | Gabriele Tarquini | Italy | AGS Ford | Goodyear | ||||||||||
| DNPQ | 13 | Pedro Chaves | Portugal | Coloni Ford | Goodyear | ||||||||||
| DNPQ | 10 | Alex Caffi | Italy | Footwork Porsche | Goodyear |