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1991 Season
o  Season Overview
o  Points graph
o  Drivers' Championship
o  Constructors' Championship
o  Race Results
o  Poles and Fastest Laps
o  Participations Matrix
o  Line-Up
o  Calendar

Profiles
o  Drivers
o  Teams
o  Cars
o  Engines
o  Tyres
o  Lubricants
o  Entrants
o  Designers
o  Car Numbers
o  Sponsors
o  Events
o  Circuits

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

Statistics
o  Data Search

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 Season Mika Häkkinen (3),
3. Most 6th Place Qualifications in a SeasonFerrari (8)
Records Extended 1. Most RetirementsLotus (534),
2. Most Drivers' Championship Points ScoresFerrari (563),
3. Most Constructors' Championship Points ScoresFerrari (431),
4. Most Podium FinishesFerrari (362),
5. Most 3rd Place FinishesFerrari (117),
6. Most 12th Place FinishesBrabham (28),
7. Most Race EntriesLotus (1230),
8. Most Race Entries Riccardo Patrese (222),
9. Most Failures to Pre-QualifyColoni (51),
10. Most 5th Place QualificationsFerrari (117),
11. Most 5th Place Qualifications Alain Prost (27),
12. Most 6th Place QualificationsFerrari (99),
13. Most 15th Place QualificationsBrabham (46),
14. Most 6th Place Qualifications in a Season Jean Alesi (7)

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

Results
 WinnerPole PositionFastest Lap
Car NumberCar 6Car 6Car 5
EntrantCanon Williams TeamCanon Williams TeamCanon Williams Team
Driver Riccardo Patrese Riccardo Patrese Nigel 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