Velika nagrada SAD-a 1991.

Velika nagrada SAD-a 1991.
Utrka 1. od 16. u Formula 1 – sezona 1991.
Detalji trke
Datum	10. mart 1991.
Službeni naziv	XXVIII Iceberg United States Grand Prix
Lokacija	Phoenix Street Circuit, Phoenix, Arizona
Broj krugova	81
Dužina kruga	3.721 km
Dužina trke	301.401 km
Posljednja trka
Pol pozicija	Ayrton Senna ; McLaren-Honda ; 1:21.434
Pobjedničko postolje	1. Ayrton Senna ; McLaren-Honda ; 2h 00m 47.828s; ( 149.706 km/h ) ; 2. Alain Prost ; Ferrari ; +16.322s ; 3. Nelson Piquet ; Benetton-Ford ; +17.376s
Najbrži krug	Jean Alesi ; Ferrari ; 1:39.856

Velika nagrada SAD-a 1991. (formalno poznata kao "1991 United States Grand Prix") bila je utrka bolida Formule 1 održana 10. marta 1991. kao prva u sezoni 1991. i ujedno druga utrka održana u Phoenixu.

Rezultati

Pretkvalifikacije

Poz	B	Ime	Konstruktor	Vrijeme	Gap
1.	21	Emanuele Pirro	Dallara-Judd	1:28.288
2.	22	JJ Lehto	Dallara-Judd	1:28.792	+0.504
3.	34	Nicola Larini	Lambo-Lamborghini	1:30.244	+1.956
4.	32	Bertrand Gachot	Jordan-Ford	1:30.304	+2.016

5.	33	Andrea de Cesaris	Jordan-Ford	1:30.930	+2.649
6.	31	Pedro Chaves	Coloni-Ford	1:31.113	+2.825
7.	14	Olivier Grouillard	Fondmetal-Ford	1:31.113	+2.825
8.	35	Eric van de Poele	Lambo-Lamborghini	1:37.046	+8.758

Kvalifikacije

Poz	B	Ime	Konstruktor	Q1	Q2	Gap
1.	1	Ayrton Senna	McLaren-Honda	1:23.530	1:21.434
2.	27	Alain Prost	Ferrari	1:24.507	1.22.555	+1.121
3.	6	Riccardo Patrese	Williams-Renault	1:24.726	1.22.833	+1.399
4.	5	Nigel Mansell	Williams-Renault	1:25.277	1.23.218	+1.784
5.	20	Nelson Piquet	Benetton-Ford	1:25.026	1:23.384	+1.950
6.	28	Jean Alesi	Ferrari	1:23.519	1.23.805	+2.085
7.	2	Gerhard Berger	McLaren-Honda	1:25.914	1.23.742	+2.308
8.	19	Roberto Moreno	Benetton-Ford	1:25.170	1.23.881	+2.447
9.	21	Emanuele Pirro	Dallara-Judd	1:24.876	1.24.792	+3.358
10.	22	JJ Lehto	Dallara-Judd	1:26.765	1.24.891	+3.457
11.	4	Stefano Modena	Tyrrell-Honda	1:25.065	1.25.557	+3.631
12.	7	Martin Brundle	Brabham-Yamaha	1:27.184	1.25.385	+3.951
13.	11	Mika Häkkinen	Lotus-Judd	1:27.976	1.25.448	+4.014
14.	32	Bertrand Gachot	Jordan-Ford	1:27.568	1.25.701	+4.267
15.	23	Pierluigi Martini	Minardi-Ferrari	1:25.815	1.25.715	+4.281
16.	3	Satoru Nakajima	Tyrrell-Honda	1:26.058	1.25.752	+4.318
17.	34	Nicola Larini	Lambo-Lamborghini	1:27.761	1.25.791	+4.357
18.	16	Ivan Capelli	Leyton House-Ilmor	1:54.845	1.26.121	+4.687
19.	29	Éric Bernard	Lola-Ford	1:27.446	1.26.425	+4.991
20.	25	Thierry Boutsen	Ligier-Lamborghini	1:27.984	1.26.500	+5.066
21.	30	Aguri Suzuki	Lola-Ford	1:26.987	1.26.548	+5.114
22.	17	Gabriele Tarquini	AGS-Ford	1:27.164	1.26.851	+5.417
23.	15	Maurício Gugelmin	Leyton House-Ilmor	1:26.865	1.26.875	+5.431
24.	8	Mark Blundell	Brabham-Yamaha	1:30.061	1.26.915	+5.481
25.	9	Michele Alboreto	Footwork-Porsche	1:29.067	1.27.015	+5.581
26.	24	Gianni Morbidelli	Minardi-Ferrari	1:27.625	1.27.042	+5.608
Grid ograničena na 26 mjesta.
27.	10	Alex Caffi	Footwork-Porsche	1:29.388	1.27.519	+6.085
28.	18	Stefan Johansson	AGS-Ford	1:29.857	1.27.753	+6.319
29.	26	Érik Comas	Ligier-Lamborghini	1:28.904	1.27.159	+6.725
30.	12	Julian Bailey	Lotus-Judd	1:30.758	1.28.570	+7.136

Utrka

Poz	B	Ime	Konstruktor	Krugovi	Vrijeme/Odustati	Grid	Bodovi
1.	1	Ayrton Senna	McLaren-Honda	81	2:00:47.828	1.	10
2.	27	Alain Prost	Ferrari	81	+16.322	2.	6
3.	20	Nelson Piquet	Benetton-Ford	81	+17.376	5.	4
4.	4	Stefano Modena	Tyrrell-Honda	81	+25.409	11.	3
5.	3	Satoru Nakajima	Tyrrell-Honda	80	+1 Krug	16.	2
6.	30	Aguri Suzuki	Lola-Ford	79	+2 Kruga	21.	1
7.	34	Nicola Larini	Lambo-Lamborghini	78	+3 Kruga	17.
8.	17	Gabriele Tarquini	AGS-Ford	77	+4 Kruga	22.
9.	23	Pierluigi Martini	Minardi-Ferrari	75	Motor	15.
10.	32	Bertrand Gachot	Jordan-Ford	75	Motor	14.
11.	7	Martin Brundle	Brabham-Yamaha	73	+8 Kruga	12.
12.	28	Jean Alesi	Ferrari	72	Mjenjač	6.
13.	11	Mika Häkkinen	Lotus-Judd	59	Motor	13.
Odu	6	Riccardo Patrese	Williams-Renault	49	Mjenjač	13.
Odu	19	Roberto Moreno	Benetton-Ford	49	Sudar	8.
Odu	9	Michele Alboreto	Footwork-Porsche	41	Motor	25.
Odu	16	Ivan Capelli	Leyton House-Ilmor	40	Mjenjač	18.
Odu	25	Thierry Boutsen	Ligier-Lamborghini	40	Motor	20.
Odu	2	Gerhard Berger	McLaren-Honda	36	Pumpa za gorivo	7.
Odu	5	Nigel Mansell	Williams-Renault	35	Mjenjač	4.
Odu	15	Maurício Gugelmin	Leyton House-Ilmor	34	Mjenjač	23.
Odu	8	Mark Blundell	Brabham-Yamaha	32	Zavrtiti	24.
Odu	21	Emanuele Pirro	Dallara-Judd	16	Mjenjač	9.
Odu	24	Gianni Morbidelli	Minardi-Ferrari	15	Mjenjač	26.
Odu	22	JJ Lehto	Dallara-Judd	12	Mjenjač	10.
Odu	29	Éric Bernard	Lola-Ford	4	Motor	19.
NKV	10	Alex Caffi	Footwork-Porsche
NKV	18	Stefan Johansson	AGS-Ford
NKV	26	Érik Comas	Ligier-Lamborghini
NKV	12	Julian Bailey	Lotus-Judd
NPKV	33	Andrea de Cesaris	Jordan-Ford
NPKV	31	Pedro Chaves	Coloni-Ford
NPKV	14	Olivier Grouillard	Fondmetal-Ford
NPKV	35	Eric van de Poele	Lambo-Lamborghini