| Date | Sunday 12 October 1986 |
| Start time | 14:00 |
| Event | Mexican GP |
| Circuit | Mexico City |
| Event Format | Race of 68 laps |
| Championship | World Championship |
| Race number | #15 of 16 in 1986 #435 (of all time) |
| Laps | 68 |
| Circuit Perimeter | 4421 m |
| Race Distance | 4421 × 68 = 300.628 km |
| Grid Format | 2-2-2-2 (staggered) |
| Pole Position | Right |
| First Corner | Right |
| Track Direction | Clockwise |
| Weather | Partially cloudy, Hot, Dry |
| Entries | 26 |
| Qualifiers | 26 |
| Finishers | 16 |
| Debutants | None |
| Milestones | Benetton Formula Ltd – 1st Win (Entrant)
Renault – 50th Pole Position (Engine Manufacturer)
TAG – 100th Race Entry (Engine Manufacturer)
Gerhard Berger – 1st Win (Driver)
Benetton – 1st Win (Car Manufacturer)
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| Records Broken |
1. Most 3rd Place Qualifications in a Season – Williams (8),
2. Most 26th Place Qualifications in a Season – Osella (8),
3. Most 26th Place Qualifications in a Season – Allen Berg (6)
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| Records Extended |
1. Most Retirements – Lotus (471),
2. Most Fastest Laps in a Season – Williams (10),
3. Most Race Entries – Lotus (1074),
4. Most Poles – Lotus (106),
5. Most 17th Place Qualifications – Lotus (41),
6. Most 25th Place Qualifications – Osella (17),
7. Most 25th Place Qualifications – Piercarlo Ghinzani (7),
8. Most 26th Place Qualifications – Osella (18),
9. Most 2nd Place Qualifications in a Season – Williams (10),
10. Most 25th Place Qualifications in a Season – Osella (8)
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