The 1991 430 km of Monza was the second round of the 1991 World Sportscar Championship season, taking place at Autodromo Nazionale Monza, Italy. It took place on May 5, 1991.
Class winners in bold. Cars failing to complete 90% of the winner's distance marked as Not Classified (NC).
| Pos | Class | No | Team | Drivers | Chassis | Tyre | Laps |
|---|---|---|---|---|---|---|---|
| Engine | |||||||
| 1 | C1 | 3 | Silk Cut Jaguar | Derek Warwick Martin Brundle |
Jaguar XJR-14 | G | 75 |
| Cosworth HB 3.5L V8 | |||||||
| 2 | C1 | 4 | Silk Cut Jaguar | Teo Fabi Martin Brundle |
Jaguar XJR-14 | G | 74 |
| Cosworth HB 3.5L V8 | |||||||
| 3 | C2 | 1 | Team Sauber Mercedes | Jochen Mass Jean-Louis Schlesser |
Mercedes-Benz C11 | G | 73 |
| Mercedes-Benz M119 5.0L Turbo V8 | |||||||
| 4 | C1 | 8 | Euro Racing | Cor Euser Charles Zwolsman |
Spice SE90C | G | 71 |
| Ford Cosworth DFR 3.5L V8 | |||||||
| 5 | C2 | 11 | Porsche Kremer Racing | Manuel Reuter Harri Toivonen |
Porsche 962CK6 | Y | 71 |
| Porsche Type-935 3.2L Turbo Flat-6 | |||||||
| 6 | C2 | 16 | Repsol Brun Motorsport | Massimo Sigala Oscar Larrauri |
Porsche 962C | Y | 69 |
| Porsche Type-935 3.2L Turbo Flat-6 | |||||||
| 7 | C2 | 18 | Mazdaspeed | Maurizio Sandro Sala Pierre Dieudonné |
Mazda 787 | D | 69 |
| Mazda R26B 2.6L 4-Rotor | |||||||
| 8 | C1 | 5 | Peugeot Talbot Sport | Mauro Baldi Philippe Alliot |
Peugeot 905 | M | 69 |
| Peugeot SA35 3.5L V10 | |||||||
| 9 | C2 | 12 | Courage Compétition | Lionel Robert François Migault |
Cougar C26S | G | 68 |
| Porsche Type-935 3.2L Turbo Flat-6 | |||||||
| 10 | C2 | 13 | Courage Compétition | Michel Trollé Claude Bourbonnais |
Cougar C26S | G | 67 |
| Porsche Type-935 3.2L Turbo Flat-6 | |||||||
| 11 DNF |
C1 | 6 | Peugeot Talbot Sport | Keke Rosberg Yannick Dalmas |
Peugeot 905 | M | 64 |
| Peugeot SA35 3.5L V10 | |||||||
| 12 DNF |
C2 | 17 | Repsol Brun Motorsport | Jésus Pareja Walter Brun |
Porsche 962C | Y | 39 |
| Porsche Type-935 3.0L Turbo Flat-6 | |||||||
| 13 DNF |
C1 | 7 | Louis Descartes | Philippe de Henning Luigi Taverna |
ALD C91 | G | 30 |
| Ford Cosworth DFR 3.5L V8 | |||||||
| 14 DNF |
C1 | 2 | Team Sauber Mercedes | Karl Wendlinger Michael Schumacher |
Mercedes-Benz C291 | G | 20 |
| Mercedes-Benz M291 3.5L Flat-12 | |||||||
| 15 DNF |
C2 | 14 | Team Salamin Primagaz | Antoine Salamin Max Cohen-Olivar |
Porsche 962C | G | 15 |
| Porsche Type-935 3.0L Turbo Flat-6 | |||||||
| 16 DNF |
C2 | 21 | Konrad Motorsport | Franz Konrad Stefan Johansson |
Porsche 962C | G | 14 |
| Porsche Type-935 3.2L Turbo Flat-6 | |||||||
| 17 DNF |
C2 | 15 | Veneto Equipe SRL | Marco Brand Andrea Filipinni |
Lancia LC2 | D | 12 |
| Ferrari 308C 3.0L Turbo V8 |
| World Sportscar Championship | ||
|---|---|---|
| Previous race: 1991 430km of Suzuka |
1991 season | Next race: 1991 430km of Silverstone |