Results from the 1991 Formula One Portuguese Grand Prix held at Estoril on September 22, 1991

Classification

Pos	No	Driver	Team	Laps	Time/Retired	Grid	Points
1	6	Riccardo Patrese	Williams-Renault	71	35:42.3	1	10
2	1	Ayrton Senna	McLaren-Honda	71	20.941	3	6
3	28	Jean Alesi	Ferrari	71	53.554	6	4
4	23	Pierluigi Martini	Minardi-Ferrari	71	+ 1:03.498	71	3
5	20	Nelson Piquet	Benetton-Ford	71	+ 1:10.033	11	2
6	19	Michael Schumacher	Benetton-Ford	71	+ 1:16.582	10	1
7	15	Mauricio Gugelmin	Leyton House-Ilmor		+ 1 Lap
8	33	Andrea de Cesaris	Jordan-Ford		+ 1 Lap
9	24	Gianni Morbidelli	Minardi-Ferrari		+ 1 Lap
10	32	Roberto Moreno	Jordan-Ford		+1 Lap
11	26	Eric Comas	Ligier-Lamborghini		+ 1 Lap
12	7	Martin Brundle	Brabham-Yamaha		+ 2 Laps
13	3	Satoru Nakajima	Tyrrell-Honda		+ 3 Laps
14	11	Mika Hakkinen	Lotus-Judd		+ 3 Laps
15	9	Michele Alboreto	Footwork-Porsche		+ 3 Laps
16	25	Thierry Boutsen	Ligier-Lamborghini		+ 3 Lpas
17	16	Ivan Capelli	Leyton House-Ilmor		Spun Off
Ret	4	Stefano Modena	Tyrrell-Honda		Engine
DSQ	5	Nigel Mansell	Williams-Renault		Disqualified
Ret	30	Aguri Suzuki	Lola-Ford		Transmission
Ret	27	Alain Prost	Ferrari		Engine
Ret	2	Gerhard Berger	McLaren-Honda		Engine
Ret	21	Emanuele Pirro	Dallara-Judd	18	Engine	17
Ret	22	Jyrki Jarvilehto Lehto	Dallara-Judd	14	Gearbox	18
Ret	8	Mark Blundell	Brabham-Yamaha	12	Suspension	15
Ret	12	Johnny Herbert	Lotus-Judd	1	Engine	22
DNQ	29	Eric Bernard	Lola-Ford
DNQ	17	Gabriele Tarquini	AGS-Ford
DNQ	34	Nicola Larini	Lambo-Lamborghini
DNQ	35	Eric van de Poele	Lambo-Lamborghini
DNPQ	18	Fabrizio Barbazza	AGS-Ford
DNPQ	14	Olivier Grouillard	Fondmetal-Ford
DNPQ	10	Alex Caffi	Footwork-Porsche

Notes

• Fastest Lap: Nigel Mansell 1'18.179

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