Round 4

Mexico

Weekend schedule

Pos	No.	Driver	Team	Time	Gap	Laps
01	2	Alain Prost	McLaren	1:18.626	—	—
02	1	Ayrton Senna	McLaren	1:18.639	+0.013	—
03	27	Nigel Mansell	Ferrari	1:19.146	+0.520	—
04	6	Riccardo Patrese	Williams	1:19.951	+1.325	—
05	16	Ivan Capelli	March	1:20.428	+1.802	—
06	36	Stefan Johansson	Onyx	1:20.566	+1.940	—
07	19	Alessandro Nannini	Benetton	1:20.613	+1.987	—
08	11	Nelson Piquet	Lotus	1:20.784	+2.158	—
09	4	Michele Alboreto	Tyrrell	1:20.831	+2.205	—
10	8	Stefano Modena	Brabham	1:20.956	+2.330	—
11	23	Pierluigi Martini	Minardi	1:20.980	+2.354	—
12	28	Gerhard Berger	Ferrari	1:21.000	+2.374	—
13	26	Olivier Grouillard	Ligier	1:21.030	+2.404	—
14	40	Gabriele Tarquini	AGS	1:21.119	+2.493	—
15	9	Derek Warwick	Arrows	1:21.152	+2.526	—
16	5	Thierry Boutsen	Williams	1:21.158	+2.532	—
17	12	Satoru Nakajima	Lotus	1:21.199	+2.573	—
18	24	Luis Pérez-Sala	Minardi	1:21.356	+2.730	—
19	22	Andrea de Cesaris	Dallara	1:21.642	+3.016	—
20	10	Eddie Cheever	Arrows	1:21.703	+3.077	—
21	21	Alex Caffi	Dallara	1:21.760	+3.134	—
22	29	Yannick Dalmas	Lola	1:21.774	+3.148	—
23	38	Christian Danner	Rial	1:21.854	+3.228	—
24	25	René Arnoux	Ligier	1:21.972	+3.346	—
25	20	Johnny Herbert	Benetton	1:22.151	+3.525	—
26	7	Martin Brundle	Brabham	1:22.371	+3.745	—
27	15	Maurício Gugelmin	March	1:22.634	+4.008	—
28	3	Jonathan Palmer	Tyrrell	1:22.677	+4.051	—
29	30	Philippe Alliot	Lola	1:22.949	+4.323	—
30	31	Roberto Moreno	Coloni	1:26.255	+7.629	—