Race Result
| GP n. 514 - 29/09/1991 - Grand Prix of Spain Circuit de Catalunya |
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| Winner: | Nigel Mansell / Williams-Renault - 1:38'41.541 | ||||||
| Pole Position: | Gerhard Berger / McLaren-Honda - 1:18.751 | ||||||
| Fastest Lap: | Riccardo Patrese / Williams-Renault - 1:22.837 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 5 |  Nigel Mansell |
Williams-Renault | 65 | 1:38'41.541 | 2 | 10 |
| 2 | 27 |  Alain Prost |
Ferrari | 65 | +11.331 | 6 | 6 |
| 3 | 6 |  Riccardo Patrese |
Williams-Renault | 65 | +15.909 | 4 | 4 |
| 4 | 28 | Jean Alesi |
Ferrari | 65 | +22.772 | 7 | 3 |
| 5 | 1 |  Ayrton Senna |
McLaren-Honda | 65 | + 1'02.402 | 3 | 2 |
| 6 | 19 |  Michael Schumacher |
Benetton-Ford | 65 | + 1'19.468 | 5 | 1 |
| 7 | 15 | Mauricio Gugelmin |
Leyton House-Ilmor | 64 | + 1 lap | 13 | 0 |
| 8 | 22 |  Jyrki Jarvi Lehto |
Dallara-Judd | 64 | + 1 lap | 15 | 0 |
| 9 | 32 | Alessandro Zanardi |
Jordan-Ford | 64 | + 1 lap | 20 | 0 |
| 10 | 7 | Martin Brundle |
Brabham-Yamaha | 63 | + 2 laps | 11 | 0 |
| 11 | 20 | Nelson Piquet |
Benetton-Ford | 63 | + 2 laps | 10 | 0 |
| 12 | 14 | Gabriele Tarquini |
Fondmetal-Ford | 63 | + 2laps | 22 | 0 |
| 13 | 23 | Pierluigi Martini |
Minardi-Ferrari | 63 | + 2 laps | 19 | 0 |
| 14 | 24 | Gianni Morbidelli |
Minardi-Ferrari | 62 | collision | 16 | 0 |
| 15 | 21 | Emanuele Pirro |
Dallara-Judd | 62 | + 3 laps | 9 | 0 |
| 16 | 4 | Stefano Modena |
Tyrrell-Honda | 62 | + 3 laps | 14 | 0 |
| 17 | 3 |  Satoru Nakajima |
Tyrrell-Honda | 62 | + 3 laps | 18 | 0 |
| Ret | 8 | Mark Blundell |
Brabham-Yamaha | 49 | engine | 12 | 0 |
| Ret | 26 | Erik Comas |
Ligier-Lamborghini | 36 | electrical | 25 | 0 |
| Ret | 2 |  Gerhard Berger |
McLaren-Honda | 33 | electrical | 1 | 0 |
| Ret | 9 | Michele Alboreto |
Footwork-Porsche | 23 | engine | 24 | 0 |
| Ret | 33 | Andrea de Cesaris |
Jordan-Ford | 22 | electrical | 17 | 0 |
| Ret | 11 | Mika Hakkinen |
Lotus-Judd | 5 | spun off | 21 | 0 |
| Ret | 16 | Ivan Capelli |
Leyton House-Ilmor | 1 | collision | 8 | 0 |
| Ret | 25 |  Thierry Boutsen |
Ligier-Lamborghini | 0 | collision | 26 | 0 |
| Ret | 29 | Eric Bernard |
Lola-Ford | 0 | collision | 23 | 0 |
| Dnq | 17 | Olivier Grouillard |
AGS-Ford | did not qualify | 0 | ||
| Dnq | 18 | Fabrizio Barbazza |
AGS-Ford | did not qualify | 0 | ||
| Dnq | 10 | Alex Caffi |
Footwork-Porsche | did not qualify | 0 | ||
| Dnq | 34 | Nicola Larini |
Lambo-Lamborghini | did not qualify | 0 | ||
| Dnq | 35 | Eric van de Poele |
Lambo-Lamborghini | did not qualify | 0 | ||
| Dnq | 30 | Aguri Suzuki |
Lola-Ford | did not qualify | 0 | ||
| Dnq | 12 | Michael Bartels |
Lotus-Judd | did not qualify | 0 | ||