1991 430 km of Mexico City
The 1991 430 km of Mexico City was the seventh round of the 1991 World Sportscar Championship season, taking place at Autodromo Hermanos Rodriguez, Mexico. It took place on October 6, 1991.
Official results
Class winners in bold. Cars failing to complete 90% of the winner's distance marked as Not Classified.| Pos | Class | No | Team | Drivers | Chassis | Tyre | Laps |
| Pos | Class | No | Team | Drivers | Engine | Tyre | Laps |
| 1 | C1 | 6 |  Peugeot Talbot Sport |  Keke Rosberg Yannick Dalmas | Peugeot 905 Evo 1B | 98 | |
| 1 | C1 | 6 | Peugeot Talbot Sport | Keke Rosberg Yannick Dalmas | Peugeot SA35 3.5L V10 | 98 | |
| 2 | C1 | 5 | Peugeot Talbot Sport |  Mauro Baldi Philippe Alliot | Peugeot 905 Evo 1B | 97 | |
| 2 | C1 | 5 | Peugeot Talbot Sport | Mauro Baldi Philippe Alliot | Peugeot SA35 3.5L V10 | 97 | |
| 3 | C2 | 14 |  Team Salamin Primagaz Joest Racing | Bernd Schneider "John Winter" | Porsche 962C | 94 | |
| 3 | C2 | 14 | Team Salamin Primagaz Joest Racing | Bernd Schneider "John Winter" | Porsche Type-935 3.2L Turbo Flat-6 | 94 | |
| 4 | C1 | 8 |  Euro Racing | Cor Euser Charles Zwolsman | Spice SE90C | 93 | |
| 4 | C1 | 8 | Euro Racing | Cor Euser Charles Zwolsman | Ford Cosworth DFR 3.5L V8 | 93 | |
| 5 | C2 | 59 | Team Salamin Primagaz Joest Racing |  Derek Bell Gianpiero Moretti | Porsche 962C | 92 | |
| 5 | C2 | 59 | Team Salamin Primagaz Joest Racing | Derek Bell Gianpiero Moretti | Porsche Type-935 3.2L Turbo Flat-6 | 92 | |
| 6 | C1 | 3 | Silk Cut Jaguar | Derek Warwick David Brabham | Jaguar XJR-14 | 92 | |
| 6 | C1 | 3 | Silk Cut Jaguar | Derek Warwick David Brabham | Cosworth HB 3.5L V8 | 92 | |
| 7 | C2 | 13 | Courage Compétition | Pascal Fabre Lionel Robert | Cougar C26S | 90 | |
| 7 | C2 | 13 | Courage Compétition | Pascal Fabre Lionel Robert | Porsche Type-935 3.2L Turbo Flat-6 | 90 | |
| 8 | C2 | 17 | Repsol Brun Motorsport |  Jésus Pareja Massimo Sigala | Porsche 962C | 89 | |
| 8 | C2 | 17 | Repsol Brun Motorsport | Jésus Pareja Massimo Sigala | Porsche Type-935 3.2L Turbo Flat-6 | 89 | |
| 9 | C2 | 18 |  Mazdaspeed |  Pierre Dieudonné Yojiro Terada | Mazda 787 | 89 | |
| 9 | C2 | 18 | Mazdaspeed | Pierre Dieudonné Yojiro Terada | Mazda R26B 2.6L 4-Rotor | 89 | |
| 10 | C2 | 12 | Courage Compétition | François Migault Tomas Saldaña | Cougar C26S | 88 | |
| 10 | C2 | 12 | Courage Compétition | François Migault Tomas Saldaña | Porsche Type-935 3.2L Turbo Flat-6 | 88 | |
| 11 DNF | C1 | 1 | Team Sauber Mercedes | Jochen Mass Jean-Louis Schlesser | Mercedes-Benz C291 | 80 | |
| 11 DNF | C1 | 1 | Team Sauber Mercedes | Jochen Mass Jean-Louis Schlesser | Mercedes-Benz M291 3.5L Flat-12 | 80 | |
| 12 DNF | C1 | 2 | Team Sauber Mercedes |  Karl Wendlinger Michael Schumacher | Mercedes-Benz C291 | 63 | |
| 12 DNF | C1 | 2 | Team Sauber Mercedes | Karl Wendlinger Michael Schumacher | Mercedes-Benz M291 3.5L Flat-12 | 63 | |
| 13 DNF | C1 | 21 | Konrad Motorsport | Franz Konrad Stefan Johansson | Konrad KM-011 | 36 | |
| 13 DNF | C1 | 21 | Konrad Motorsport | Franz Konrad Stefan Johansson | Lamborghini 3512 3.5L V12 | 36 | |
| 14 DNF | C1 | 16 | Repsol Brun Motorsport |  Oscar Larrauri | Brun C91 | 31 | |
| 14 DNF | C1 | 16 | Repsol Brun Motorsport | Oscar Larrauri | Judd EV 3.5L V8 | 31 | |
| 15 DNF | C2 | 11 | Porsche Kremer Racing | Manuel Reuter Tomas Lopez | Porsche 962CK6 | 19 | |
| 15 DNF | C2 | 11 | Porsche Kremer Racing | Manuel Reuter Tomas Lopez | Porsche Type-935 3.2L Turbo Flat-6 | 19 | |
| 16 DNF | C1 | 7 | Louis Descartes | Luigi Taverna Patrick Gonin | ALD C91 | 1 | |
| 16 DNF | C1 | 7 | Louis Descartes | Luigi Taverna Patrick Gonin | Ford Cosworth DFR 3.5L V8 | 1 | |
| DNS | C1 | 4 | Silk Cut Jaguar | Teo Fabi | Jaguar XJR-14 | - | |
| DNS | C1 | 4 | Silk Cut Jaguar | Teo Fabi | Cosworth HB 3.5L V8 | - |
Statistics
- Pole Position - Philippe Alliot - 1:19.229
- Fastest Lap - Michael Schumacher - 1:21.611
- Average Speed - 173.964 km/h