«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
PosConstructorPoints
1 McLaren • Honda10141610-4493131696114
2 Williams • Renault-6-65161210161021010103
3 Ferrari • Ferrari64-6--9442-4443
4 Benetton • Ford Cosworth42-3102-2--73336
5 Jordan • Ford Cosworth----53113----13
6 Tyrrell • Honda5---6--------11
7 Minardi • Ferrari--3---------36
8 Dallara • Judd--41---------5
9 Lotus • Judd--3----------3
10 Lola • Ford Cosworth1----1-------2
11 Leyton House • Ilmor---------1---1
12 Brabham • Yamaha----------1--1
- AGS • Ford Cosworth--------------
- Fondmetal • Ford Cosworth--------------
- Lamborghini • Lamborghini--------------
- Ligier • Lamborghini--------------
- Coloni • Ford Cosworth--------------
- Footwork • Porsche-------
- Footwork • Ford Cosworth--------

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.