| «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 | Qualy | Car | Driver | Constructor |
|---|---|---|---|---|
| 1 | 1 | 12 | Ayrton Senna | Lotus • Renault |
| 2 | 2 | 6 | Nelson Piquet | Williams • Honda |
| 3 | 3 | 5 | Nigel Mansell | Williams • Honda |
| 4 | 4 | 20 | Gerhard Berger | Benetton • BMW |
| 5 | 5 | 7 | Riccardo Patrese | Brabham • BMW |
| 6 | 6 | 1 | Alain Prost | McLaren • TAG Porsche |
| 7 | 7 | 8 | Derek Warwick | Brabham • BMW |
| 8 | 8 | 16 | Patrick Tambay | Lola • Ford Cosworth |
| 9 | 9 | 19 | Teo Fabi | Benetton • BMW |
| 10 | 10 | 26 | Philippe Alliot | Ligier • Renault |
| 11 | 11 | 2 | Keke Rosberg | McLaren • TAG Porsche |
| 12 | 12 | 27 | Michele Alboreto | Ferrari |
| 13 | 13 | 25 | René Arnoux | Ligier • Renault |
| 14 | 14 | 28 | Stefan Johansson | Ferrari |
| 15 | 15 | 15 | Alan Jones | Lola • Ford Cosworth |
| 16 | 16 | 3 | Martin Brundle | Tyrrell • Renault |
| 17 | 17 | 11 | Johnny Dumfries | Lotus • Renault |
| 18 | 18 | 14 | Jonathan Palmer | Zakspeed |
| 19 | 19 | 4 | Philippe Streiff | Tyrrell • Renault |
| 20 | 20 | 17 | Christian Danner | Arrows • BMW |
| 21 | 21 | 18 | Thierry Boutsen | Arrows • BMW |
| 22 | 22 | 23 | Andrea de Cesaris | Minardi • Motori Moderni |
| 23 | 23 | 29 | Huub Rothengatter | Zakspeed |
| 24 | 24 | 24 | Alessandro Nannini | Minardi • Motori Moderni |
| 25 | 25 | 21 | Piercarlo Ghinzani | Osella • Alfa Romeo |
| 26 | 26 | 22 | Allen Berg | Osella • Alfa Romeo |