«1991-13»Portugal Grand Prix - XX Grande Premio de Portugal
1991-09-22 Estoril - Autódromo Fernanda Pires da Silva - 71 laps × 4.35 km : 308.85 km
EntrantsQualyGridRaceLap-by-LapFastest Laps•Driver StandingsConstructor Standings
PosDriverPoints
1 Ayrton Senna • McLaren10101010-443-10106683
2 Nigel Mansell • Williams---6161010106-10-59
3 Riccardo Patrese • Williams-6--4102-642-1044
4 Gerhard Berger • McLaren-46----63363-31
5 Nelson Piquet • Benetton42--10--2--41225
6 Alain Prost • Ferrari63-2--64---4-25
7 Jean Alesi • Ferrari-1-4--3-42--418
8 Stefano Modena • Tyrrell3---6--------9
9 Andrea de Cesaris • Jordan----331-2----9
10 Roberto Moreno • Jordan---3-2----3--8
11 Pierluigi Martini • Minardi--3---------36
12 JJ Lehto • Dallara--4----------4
13 Bertrand Gachot • Jordan----2--11-4
14 Michael Schumacher • Benetton-213
15 Satoru Nakajima • Tyrrell2------------2
16 Mika Hakkinen • Lotus--2----------2
17 Aguri Suzuki • Lola1------------1
18 Ivan Capelli • Leyton House---------1---1
19 Emanuele Pirro • Dallara---1---------1
20 Mark Blundell • Brabham----------1--1
21 Eric Bernard • Lola-----1-------1
22 Julian Bailey • Lotus--1-1
- Mauricio Gugelmin • Leyton House--------------
- Gabriele Tarquini • AGS--------------
- Pedro Chaves • Coloni--------------
- Eric van de Poele • Lamborghini--------------
- Thierry Boutsen • Ligier--------------
- Martin Brundle • Brabham--------------
- Gianni Morbidelli • Minardi--------------
- Olivier Grouillard • Fondmetal--------------
- Erik Comas • Ligier--------------
- Nicola Larini • Lamborghini--------------
- Michele Alboreto • Footwork--------------
- Alex Caffi • Footwork----------
- Stefan Johansson • Footwork-------
- Fabrizio Barbazza • AGS------------
- Johnny Herbert • Lotus-------
- Michael Bartels • Lotus----

Points System

10-6-4-3-2-1 points for the top 6 places.
Half points are awarded for races stopped before three-quarter-distance was completed.