| «1986-15» | Mexico Grand Prix - X Gran Premio de Mexico |
| 1986-10-12 | Mexico City - Autódromo Hermanos Rodríguez - 68 laps × 4.421 km : 300.628 km |
| Pos | Grid | Car | Driver | Constructor | Q1 | Q2 | Best | Gap | Interval |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 12 | Ayrton Senna | Lotus • Renault | 01:18.367 | 01:16.990 | 01:16.990 | 206.723 km/h | |
| 2 | 2 | 6 | Nelson Piquet | Williams • Honda | 01:18.037 | 01:17.279 | 01:17.279 | +00.289 (+0.375%) | +00.289 |
| 3 | 3 | 5 | Nigel Mansell | Williams • Honda | 01:18.269 | 01:17.514 | 01:17.514 | +00.524 (+0.681%) | +00.235 |
| 4 | 4 | 20 | Gerhard Berger | Benetton • BMW | 01:17.780 | 01:17.609 | 01:17.609 | +00.619 (+0.804%) | +00.095 |
| 5 | 5 | 7 | Riccardo Patrese | Brabham • BMW | 01:21.241 | 01:18.285 | 01:18.285 | +01.295 (+1.682%) | +00.676 |
| 6 | 6 | 1 | Alain Prost | McLaren • TAG Porsche | 01:19.294 | 01:18.421 | 01:18.421 | +01.431 (+1.859%) | +00.136 |
| 7 | 7 | 8 | Derek Warwick | Brabham • BMW | 01:19.713 | 01:18.527 | 01:18.527 | +01.537 (+1.996%) | +00.106 |
| 8 | 8 | 16 | Patrick Tambay | Lola • Ford Cosworth | 01:20.492 | 01:18.839 | 01:18.839 | +01.849 (+2.402%) | +00.312 |
| 9 | 9 | 19 | Teo Fabi | Benetton • BMW | 01:18.971 | 01:18.893 | 01:18.893 | +01.903 (+2.472%) | +00.054 |
| 10 | 10 | 26 | Philippe Alliot | Ligier • Renault | 01:20.372 | 01:19.257 | 01:19.257 | +02.267 (+2.945%) | +00.364 |
| 11 | 11 | 2 | Keke Rosberg | McLaren • TAG Porsche | 14:55.307 | 01:19.342 | 01:19.342 | +02.352 (+3.055%) | +00.085 |
| 12 | 12 | 27 | Michele Alboreto | Ferrari | 01:19.628 | 01:19.388 | 01:19.388 | +02.398 (+3.115%) | +00.046 |
| 13 | 13 | 25 | René Arnoux | Ligier • Renault | 01:19.624 | 01:20.458 | 01:19.624 | +02.634 (+3.421%) | +00.236 |
| 14 | 14 | 28 | Stefan Johansson | Ferrari | 01:20.303 | 01:19.769 | 01:19.769 | +02.779 (+3.610%) | +00.145 |
| 15 | 15 | 15 | Alan Jones | Lola • Ford Cosworth | 01:20.525 | 01:20.090 | 01:20.090 | +03.100 (+4.026%) | +00.321 |
| 16 | 16 | 3 | Martin Brundle | Tyrrell • Renault | 01:21.587 | 01:20.198 | 01:20.198 | +03.208 (+4.167%) | +00.108 |
| 17 | 17 | 11 | Johnny Dumfries | Lotus • Renault | 01:20.479 | 01:21.491 | 01:20.479 | +03.489 (+4.532%) | +00.281 |
| 18 | 18 | 14 | Jonathan Palmer | Zakspeed | 01:21.154 | 01:20.668 | 01:20.668 | +03.678 (+4.777%) | +00.189 |
| 19 | 19 | 4 | Philippe Streiff | Tyrrell • Renault | 01:20.946 | 01:21.174 | 01:20.946 | +03.956 (+5.138%) | +00.278 |
| 20 | 20 | 17 | Christian Danner | Arrows • BMW | 01:21.069 | 01:21.461 | 01:21.069 | +04.079 (+5.298%) | +00.123 |
| 21 | 21 | 18 | Thierry Boutsen | Arrows • BMW | 01:21.171 | 01:21.361 | 01:21.171 | +04.181 (+5.431%) | +00.102 |
| 22 | 22 | 23 | Andrea de Cesaris | Minardi • Motori Moderni | 01:22.470 | 01:22.521 | 01:22.470 | +05.480 (+7.118%) | +01.299 |
| 23 | 23 | 29 | Huub Rothengatter | Zakspeed | 01:23.812 | 01:22.524 | 01:22.524 | +05.534 (+7.188%) | +00.054 |
| 24 | 24 | 24 | Alessandro Nannini | Minardi • Motori Moderni | 01:25.179 | 01:23.457 | 01:23.457 | +06.467 (+8.400%) | +00.933 |
| 25 | 25 | 21 | Piercarlo Ghinzani | Osella • Alfa Romeo | 01:25.767 | 01:24.176 | 01:24.176 | +07.186 (+9.334%) | +00.719 |
| 26 | 26 | 22 | Allen Berg | Osella • Alfa Romeo | 01:26.573 | 01:27.209 | 01:26.573 | +09.583 (+12.447%) | +02.397 |