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1991 Season
o  Season Overview
o  Drivers' Championship
o  Constructors' Championship
o  Race Results
o  Poles and Fastest Laps
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o  Calendar

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History
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o  Drivers' Championships
o  Constructors' Championships
o  Race Results
o  All-Time Calendar

Statistics
o  Data Search
o  Side-by-Side Comparisons

Other
o  Acknowledgments
o  Links
www.ChicaneF1.com
1991 Italian GP
1990 Portuguese GP

1991 Portuguese GP

1991 Spanish GP
1992 Portuguese GP
 XX  Grande Premio de Portugal


Overview - Entry List - Pre-Qualifying - Qualification
Starting Grid - Classification - Fastest Laps - Laps Led

Details
DateSunday 22 September 1991
Start time14:00
EventPortuguese GP
CircuitEstoril
Event FormatRace of 71 laps
Race13 of 16
Championship race513
Circuit
Laps71
Circuit Perimeter4350 m
Race Distance4350 × 71 = 308.850 km
Grid Format2-2-2-2 (staggered)
Pole PositionLeft
First CornerRight
Track DirectionClockwise
Weather
WeatherSunny, Hot, Dry
Participants
Entries34
Qualifiers26
Finishers17
Championship DebutantsGalp (Lubricant Manufacturer)
MilestonesBraun Tyrrell Honda - 25th Race Entry (Entrant)
Camel Benetton Ford - 25th Race Entry (Entrant)
Canon Williams Team - 10th Win (Entrant)
Elf - 75th Fastest Lap (Lubricant Manufacturer)
Footwork Grand Prix International - 25th Race Entry (Entrant)
Footwork - 25th Race Entry (Car Manufacturer)
Ilmor - 25th Race Entry (Engine Manufacturer)
Jordan - 25th Race Entry (Car Manufacturer)
Lambo - 25th Race Entry (Car Manufacturer)
Larrousse F1 - 25th Race Entry (Entrant)
Modena Team SpA - 25th Race Entry (Entrant)
Team 7Up Jordan - 25th Race Entry (Entrant)
Williams - 50th Win (Car Manufacturer)
Records Broken 1. Most 14th Place Finishes in a SeasonLotus (4),
2. Most 14th Place Finishes in a SeasonMika Häkkinen (3),
3. Most 22nd Fastest LapsTyrrell (18),
4. Most 6th Place Qualifications in a SeasonFerrari (8)
Records Extended 1. Most Constructors' Championship Points ScoresFerrari (431),
2. Most RetirementsLotus (534),
3. Most Drivers' Championship Points ScoresFerrari (563),
4. Most Podium FinishesFerrari (362),
5. Most 3rd Place FinishesFerrari (117),
6. Most 12th Place FinishesBrabham (28),
7. Most 3rd Fastest LapsMcLaren (64),
8. Most 8th Fastest LapsFerrari (39),
9. Most 17th Fastest LapsLotus (34),
10. Most 19th Fastest LapsLigier (27),
11. Most Race EntriesLotus (1230),
12. Most Race EntriesRiccardo Patrese (222),
13. Most Failures to Pre-QualifyColoni (51),
14. Most 5th Place QualificationsFerrari (117),
15. Most 5th Place QualificationsAlain Prost (27),
16. Most 6th Place QualificationsFerrari (99),
17. Most 15th Place QualificationsBrabham (46),
18. Most 6th Place Qualifications in a SeasonJean Alesi (7)

Championships
1 Ayrton Senna 83 
same
2 Nigel Mansell 59 
same
3 Riccardo Patrese 44 
same
4 Gerhard Berger 31 
same
5 Nélson Piquet 25 
up
6 Alain Prost 25 
down
7 Jean Alesi 18 
same
8 Stefano Modena 9 
same
9 Andrea de Cesaris 9 
same
10 Roberto Moreno 8 
same
11 Pierluigi Martini 6 
up
12 J J Lehto 4 
down
13 Bertrand Gachot 4 
down
14 Michael Schumacher 3 
same
15 Mika Häkkinen 2 
down
 Satoru Nakajima 2 
down
17 Mark Blundell 1 
same
 Aguri Suzuki 1 
same
 Ivan Capelli 1 
same
 Julian Bailey 1 
same
 Éric Bernard 1 
same
 Emanuele Pirro 1 
same
1 McLaren / Honda 114 
same
2 Williams / Renault 103 
same
3 Ferrari / Ferrari 43 
same
4 Benetton / Ford 36 
same
5 Jordan / Ford 13 
same
6 Tyrrell / Honda 11 
same
7 Minardi / Ferrari 6 
up
8 Dallara / Judd 5 
down
9 Lotus / Judd 3 
same
10 Lola / Ford 2 
same
11 Brabham / Yamaha 1 
same
 Leyton House / Ilmor 1 
same

Results
 WinnerPole PositionFastest Lap
Car NumberCar 6Car 6Car 5
EntrantCanon Williams TeamCanon Williams TeamCanon Williams Team
DriverRiccardo PatreseRiccardo PatreseNigel Mansell
CarWilliams FW14Williams FW14Williams FW14
EngineRenault 3.5 V10Renault 3.5 V10Renault 3.5 V10
Time1:35'42.3041'13.0011'18.179
Speed193.626 km/h214.518 km/h200.310 km/h


Overview - Entry List - Pre-Qualifying - Qualification
Starting Grid - Classification - Fastest Laps - Laps Led