1991 Season - Round 4 - 1991-05-12
Ayrton Senna won the 1991 Monaco Grand Prix from pole position, leading Nigel Mansell (Williams) and Jean Alesi (Ferrari) home for McLaren.
Érik Comas (Ligier) made the biggest gain of the race, climbing from P26 on the grid to P10 at the flag — a 16-place improvement. Attrition was high, with 14 drivers failing to finish.
26 drivers were classified at the chequered flag of the 1991 Monaco Grand Prix, completing round 4 of the season.
How good was this Grand Prix?
Pick your score, 1 to 10.
| Pos | Driver | Team | Grid | Status | Fastest Lap | Points |
|---|---|---|---|---|---|---|
| 1 | Ayrton Senna | McLaren | 1 | Finished | 10 | |
| 2 | Nigel Mansell | Williams | 5 | Finished | 6 | |
| 3 | Jean Alesi | Ferrari | 9 | Finished | 4 | |
| 4 |
| Roberto Moreno |
| Benetton |
| 8 |
| +1 Lap |
| 3 |
| 5 | Alain Prost | Ferrari | 7 | +1 Lap | 2 |
| 6 | Emanuele Pirro | Dallara | 12 | +1 Lap | 1 |
| 7 | Thierry Boutsen | Ligier | 16 | +2 Laps | 0 |
| 8 | Bertrand Gachot | Jordan | 23 | +2 Laps | 0 |
| 9 | Éric Bernard | Lola | 13 | +2 Laps | 0 |
| 10 | Érik Comas | Ligier | 26 | +2 Laps | 0 |
| 11 | Jyrki Järvilehto | Dallara | 21 | +3 Laps | 0 |
| 12 | Pierluigi Martini | Minardi | 14 | +6 Laps | 0 |
| 13 | Mika Häkkinen | Team Lotus | 25 | Oil leak | 0 |
| 14 | Gianni Morbidelli | Minardi | 17 | Gearbox | 0 |
| 15 | Maurício Gugelmin | Leyton House | 15 | Throttle | 0 |
| 16 | Stefano Modena | Tyrrell | 2 | Engine | 0 |
| 17 | Riccardo Patrese | Williams | 3 | Spun off | 0 |
| 18 | Mark Blundell | Brabham | 19 | Spun off | 0 |
| 19 | Michele Alboreto | Footwork | 22 | Engine | 0 |
| 20 | Satoru Nakajima | Tyrrell | 11 | Spun off | 0 |
| 21 | Aguri Suzuki | Lola | 20 | Engine | 0 |
| 22 | Andrea de Cesaris | Jordan | 10 | Throttle | 0 |
| 23 | Ivan Capelli | Leyton House | 18 | Brakes | 0 |
| 24 | Gabriele Tarquini | AGS | 24 | Gearbox | 0 |
| 25 | Gerhard Berger | McLaren | 6 | Spun off | 0 |
| 26 | Nelson Piquet | Benetton | 4 | Suspension | 0 |