1991 Monaco Grand Prix: Wikis


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Monaco  1991 Monaco Grand Prix
Race details
Race 4 of 16 in the 1991 Formula One season
Montecarlo 1986.jpg
Date 12 May 1991
Official name XLIX Grand Prix Automobile de Monaco
Location Circuit de Monaco, Monte Carlo
Course Street circuit
3.328 km (2.068 mi)
Distance 78 laps, 259.584 km (161.298 mi)
Weather Cloudy, mild, dry
Pole position
Driver Brazil Ayrton Senna McLaren-Honda
Time 1:20.344
Fastest lap
Driver France Alain Prost Ferrari
Time 1:24.368 on lap 77
First Brazil Ayrton Senna McLaren-Honda
Second United Kingdom Nigel Mansell Williams-Renault
Third France Jean Alesi Ferrari

The 1991 Monaco Grand Prix was a Formula One race held at Monaco on May 12, 1991.



The race was won by Ayrton Senna in the McLaren.
Nigel Mansell finished in second place, scoring his first points of the season.
Mansell's team-mate, Riccardo Patrese, ran in third place until crashing on oil dropped by Stefano Modena, whose engine expired just ahead of him.
Alain Prost finished in fifth position after being delayed by a slow late-race pit stop.

Ayrton Senna shocked no-one by taking pole position, but second place was a surprise with Stefano Modena taking full advantage of the superior Pirelli qualifying tyres to be second followed by Patrese, Piquet, a disappointing Mansell, Berger, Prost, Moreno, Alesi, and de Cesaris. Alex Caffi had a huge accident in practice and would not participate in the race. Elsewhere Martin Brundle was disqualified for missing a weight check. At the start Senna got away well followed by Modena, Patrese, Mansell, and Prost. In the usual first corner mayhem Berger ran into the back of Piquet, dropping the Austrian to the back of the pack and breaking Piquet's suspension, Berger would later crash out. Senna quickly built up a huge lead over Modena and Patrese, and both the chasers were eliminated on lap 42 when Modena's engine blew in the tunnel spreading oil on the track which caused Patrese to crash. Senna now had a huge lead over Prost and Mansell, but the Englishman was in no mood to stay third and passed Prost with a daring move going into the chicane. Prost would later pit to repair a loose wheel and problems with the stop dropped him down to fifth. Senna duly won his fourth Monaco Grand Prix in five years by 18 seconds over Mansell, who drove a brilliant race, Alesi, Moreno, Prost, and Emanuelle Pirro in the Dallara. The second place finish was Nigel Mansell's first points of the season and the gearbox issues that had troubled the start of his season did not re-appear.


Pos No Driver Constructor Laps Time/Retired Grid Points
1 1 Brazil Ayrton Senna McLaren-Honda 78 1:53:02.334 1 10
2 5 United Kingdom Nigel Mansell Williams-Renault 78 + 18.348 5 6
3 28 France Jean Alesi Ferrari 78 + 47.455 9 4
4 19 Brazil Roberto Moreno Benetton-Ford 77 + 1 Lap 8 3
5 27 France Alain Prost Ferrari 77 + 1 Lap 7 2
6 21 Italy Emanuele Pirro Dallara-Judd 77 + 1 Lap 12 1
7 25 Belgium Thierry Boutsen Ligier-Lamborghini 76 + 2 laps 16  
8 32 Belgium Bertrand Gachot Jordan-Ford 76 + 2 laps 23  
9 29 France Éric Bernard Lola-Ford 76 + 2 laps 13  
10 26 France Érik Comas Ligier-Lamborghini 76 +2 laps 26  
11 22 Finland Jyrki Järvilehto Dallara-Judd 75 + 3 Laps 21  
12 23 Italy Pierluigi Martini Minardi-Ferrari 72 + 6 laps 14  
Ret 11 Finland Mika Häkkinen Lotus-Judd 64 Oil leak 25  
Ret 24 Italy Gianni Morbidelli Minardi-Ferrari 49 Gearbox 17  
Ret 15 Brazil Maurício Gugelmin Leyton House-Ilmor 43 Throttle 15  
Ret 4 Italy Stefano Modena Tyrrell-Honda 42 Engine 2  
Ret 6 Italy Riccardo Patrese Williams-Renault 42 Spun Off 3  
Ret 8 United Kingdom Mark Blundell Brabham-Yamaha 41 Spun off 19  
Ret 9 Italy Michele Alboreto Footwork-Porsche 39 Engine 22  
Ret 3 Japan Satoru Nakajima Tyrrell-Honda 35 Spun off 11  
Ret 30 Japan Aguri Suzuki Lola-Ford 24 Engine 20  
Ret 33 Italy Andrea de Cesaris Jordan-Ford 21 Throttle 10  
Ret 16 Italy Ivan Capelli Leyton House-Ilmor 12 Brakes 18  
Ret 17 Italy Gabriele Tarquini AGS-Ford 9 Gearbox 24  
Ret 2 Austria Gerhard Berger McLaren-Honda 9 Spun Off 6  
Ret 20 Brazil Nelson Piquet Benetton-Ford 0 Suspension 4  
DNQ 12 United Kingdom Julian Bailey Lotus-Judd    
DNQ 18 Italy Fabrizio Barbazza AGS-Ford    
DNQ 10 Italy Alex Caffi Footwork-Porsche    
DNQ 7 United Kingdom Martin Brundle Brabham-Yamaha    
DNPQ 34 Italy Nicola Larini Lambo-Lamborghini    
DNPQ 35 Belgium Eric van de Poele Lambo-Lamborghini    
DNPQ 31 Portugal Pedro Chaves Coloni-Ford    
DNPQ 14 France Olivier Grouillard Fondmetal-Ford    


  • Lap leaders: Ayrton Senna 78 (1-78)
  • Last race: Julian Bailey
  • Gerhard Berger made an error at the first corner at the start and he demoted to 26th.
  • Mansell's first points of the season (2nd position)
  • Martin Brundle DSQ for not weighing in by FIA Stewards
  • Alex Caffi had a huge shunt by the swimming pool section of the circuit in the Footwork-Porsche
  • Stefano Modena in the Tyrrell Honda V10 put in a stunning qualifying lap to join the front row of the grid with Senna in his V12 powered Honda Marlboro McLaren
  • In the opening stages of the race, a marshal picking up some debris from an earlier incident at Ste Devote was almost clipped by Ayrton Senna
  • Ayrton Senna's 4th victory out of 4 races in the 1991 season


Previous race:
1991 San Marino Grand Prix
FIA Formula One World Championship
1991 season
Next race:
1991 Canadian Grand Prix
Previous race:
1990 Monaco Grand Prix
Monaco Grand Prix Next race:
1992 Monaco Grand Prix


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