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1991 Grand Prix of Portugal

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Formula One race number 13 of 16
Sunday, September 22, 1991 at Autodromo do Estoril, Lisbon, Portugal
71 laps on a 4.350 kilometer road course (308.850 kilometers)

Time of race: 1:35:42.304
Average speed: 193.626 kph
Pole time: 73.001 seconds

Cautions: none
Margin of victory: 20.941 sec
Attendance: n/a
Lead changes: 2

Glossary 1991 Formula One results / 1991 standings

Pos	St	#	Driver	Team	Chass./Eng.	Laps	Status	Led	Pts
1	1	6	Riccardo Patrese	Canon Williams Renault	Williams FW14 / Renault RS3	71	1:35:42.304	59	10
2	3	1	Ayrton Senna	Honda Marlboro McLaren	McLaren MP4-6 / Honda RA121E	71	+20.941	0	6
3	6	28	Jean Alesi	Scuderia Ferrari SpA	Ferrari 643 / Ferrari 037	71	+53.554	0	4
4	8	23	Pierluigi Martini	SCM Minardi Team	Minardi M191 / Ferrari 037	71	+63.498	0	3
5	11	20	Nelson Piquet	Camel Benetton Ford	Benetton B191 / Ford HB5	71	+70.033	0	2
6	10	19	Michael Schumacher	Camel Benetton Ford	Benetton B191 / Ford HB5	71	+76.582	0	1
7	7	15	Mauricio Gugelmin	Leyton House Racing	Leyton House CG911 / Ilmor 2175A	70	+1 lap	0	0
8	14	33	Andrea de Cesaris	Team 7-Up Jordan	Jordan 191 / Ford HB4	70	+1 lap	0	0
9	13	24	Gianni Morbidelli	SCM Minardi Team	Minardi M191 / Ferrari 037	70	+1 lap	0	0
10	21	32	Roberto Moreno	Team 7-Up Jordan	Jordan 191 / Ford HB4	70	+1 lap	0	0
11	23	26	Erik Comas	Ligier Gitanes	Ligier JS35B / Lamborghini 3512	70	+1 lap	0	0
12	19	7	Martin Brundle	Motor Racing Developments Ltd.	Brabham BT60Y / Yamaha OX99	69	+2 laps	0	0
13	17	3	Satoru Nakajima	Braun Tyrrell Honda	Tyrrell 020 / Honda RA101E	68	+3 laps	0	0
14	24	11	Mika Hakkinen	Team Lotus	Lotus 102B / Judd EV	68	+3 laps	0	0
15	22	9	Michele Alboreto	Footwork Grand Prix International	Footwork FA12C / Ford DFR	68	+3 laps	0	0
16	20	25	Thierry Boutsen	Ligier Gitanes	Ligier JS35B / Lamborghini 3512	68	+3 laps	0	0
17	9	16	Ivan Capelli	Leyton House Racing	Leyton House CG911 / Ilmor 2175A	64	spun off	0	0
ret	12	4	Stefano Modena	Braun Tyrrell Honda	Tyrrell 020 / Honda RA101E	56	engine	0	0
dsq	4	5	Nigel Mansell	Canon Williams Renault	Williams FW14 / Renault RS3	51	disqualified	12	0
ret	25	30	Aguri Suzuki	Larrousse F1	Lola LC91 / Ford DFR	40	transmission	0	0
ret	5	27	Alain Prost	Scuderia Ferrari SpA	Ferrari 643 / Ferrari 037	39	engine	0	0
ret	2	2	Gerhard Berger	Honda Marlboro McLaren	McLaren MP4-6 / Honda RA121E	37	engine	0	0
ret	16	21	Emanuele Pirro	Scuderia Italia SpA	Dallara 191 / Judd GV	18	engine	0	0
ret	18	22	J.J. Lehto	Scuderia Italia SpA	Dallara 191 / Judd GV	14	gearbox	0	0
ret	15	8	Mark Blundell	Motor Racing Developments Ltd.	Brabham BT60Y / Yamaha OX99	12	suspension	0	0
ret	26	12	Johnny Herbert	Team Lotus	Lotus 102B / Judd EV	1	engine	0	0

Fastest Lap: 200.310 kph by Nigel Mansell

Pos	Name	Nbr	Owner
Failed to qualify, withdrew, or driver changes:
27	Eric Bernard	29	Larrousse F1
28	Gabriele Tarquini	17	Automobiles Gonfaronnaises Sp
29	Nicola Larini	34	Modena Team SpA
30	Eric van de Poele	35	Modena Team SpA
31	Fabrizio Barbazza	18	Automobiles Gonfaronnaises Sp
32	Olivier Grouillard	14	Fondmetal F1 SpA
33	Alex Caffi	10	Footwork Grand Prix Intl.
34	Pedro Chaves	31	Coloni SpA

Leader	From Lap	To Lap	# Of Laps
Lap leader breakdown:
Riccardo Patrese	1	17	17
Nigel Mansell	18	29	12
Riccardo Patrese	30	71	42

Rank	Driver	Points	Diff
Points Standings after this race:
1	Ayrton Senna	83
2	Nigel Mansell	59	-24
3	Riccardo Patrese	44	-39
4	Gerhard Berger	31	-52
5	Nelson Piquet	25	-58
5	Alain Prost	25	-58
7	Jean Alesi	18	-65
8	Stefano Modena	9	-74
8	Andrea de Cesaris	9	-74
10	Roberto Moreno	8	-75
11	Pierluigi Martini	6	-77
12	J.J. Lehto	4	-79
12	Bertrand Gachot	4	-79
14	Michael Schumacher	3	-80
15	Satoru Nakajima	2	-81
15	Mika Hakkinen	2	-81
17	Ivan Capelli	1	-82
17	Mark Blundell	1	-82
17	Emanuele Pirro	1	-82
17	Julian Bailey	1	-82
17	Eric Bernard	1	-82