September 21, 1986 Autódromo do Estoril | Lap distance 4.350 km
| Pos | Points | No | Driver | Car | Engine | Tyres | Laps | Race Time | Delay | Qualifying | Fastest Lap | |||
| 1 | 9 | 5 | Nigel Mansell (GBR) | Williams FW11 | Honda RA166-E | Goodyear | 70 | 1.000000.900 | 2 | 7.000000.489 | 1 | 0.000 | (53) | |
| 2 | 6 | 1 | Alain Prost (FRA) | McLaren MP4-2C | TAG TTE PO1 | Goodyear | 70 | 0.000 | +8.000000.772 | 3 | 7.000000.710 | 2 | 1.000000.092 | (61) |
| 3 | 4 | 6 | Nelson Piquet (BRA) | Williams FW11 | Honda RA166-E | Goodyear | 70 | 1.000000.174 | +9.000000.274 | 6 | 8.000000.180 | 3 | 1.000000.100 | (60) |
| 4 | 3 | 12 | Ayrton Senna (BRA) | Team Lotus 98T | Renault EF15C | Goodyear | 69 | 1.000000.534 | +1 lap | 1 | 6.000000.673 | 4 | 1.000000.283 | (60) |
| 5 | 2 | 27 | Michele Alboreto (ITA) | Ferrari F1/86 | Ferrari 126C | Goodyear | 69 | 9.000000.674 | +1 lap | 13 | 0.000 | 5 | 2.000000.073 | (58) |
| 6 | 1 | 28 | Stefan Johansson (SWE) | Ferrari F1/86 | Ferrari 126C | Goodyear | 69 | 3.000000.897 | +1 lap | 8 | 9.000000.332 | 7 | 2.000000.347 | (50) |
| 7 | 25 | René Arnoux (FRA) | Ligier JS27 | Renault EF15C | Pirelli | 69 | 7.000000.506 | +1 lap | 10 | 9.000000.657 | 15 | 4.000000.356 | (53) | |
| 8 | 19 | Teo Fabi (ITA) | Benetton B186 | BMW M12/13 | Pirelli | 68 | 5.000000.100 | +2 laps | 5 | 8.000000.071 | 8 | 2.000000.999 | (53) | |
| 9 | 11 | Johnny Dumfries (GBR) | Team Lotus 98T | Renault EF15B | Goodyear | 68 | 7.000000.785 | +2 laps | 15 | 1.000000.594 | 9 | 3.000000.737 | (49) | |
| 10 | 18 | Thierry Boutsen (BEL) | Arrows A8 | BMW M12/13 | Goodyear | 67 | 6.000000.542 | +3 laps | 21 | 2.000000.068 | 14 | 4.000000.350 | (52) | |
| 11 | 17 | Christian Danner (GER) | Arrows A8 | BMW M12/13 | Goodyear | 67 | 8.000000.533 | +3 laps | 22 | 2.000000.274 | 13 | 4.000000.268 | (64) | |
| 12 | 14 | Jonathan Palmer (GBR) | Zakspeed 861 | Zakspeed 861 | Goodyear | 67 | 3.000000.872 | +3 laps | 20 | 1.000000.929 | 17 | 4.000000.947 | (37) | |
| 13 | 22 | Allen Berg (CAN) | Osella FA1G | Alfa Romeo 890T | Pirelli | 63 | 3.000000.563 | +7 laps | 27 | 6.000000.861 | 27 | 0.000 | (34) | |
| Not classified | ||||||||||||||
| -- | 16 | Patrick Tambay (FRA) | Lola THL-2 | Ford F1 | Goodyear | 62 | 5.000000.551 | 14 | 0.000 | 11 | 3.000000.889 | (59) | ||
| -- | 24 | Alessandro Nannini (ITA) | Minardi M/85B | Motori Moderni 6VTC | Pirelli | 60 | 1.000000.946 | 18 | 1.000000.702 | 24 | 7.000000.910 | (4) | ||
| Retirement | ||||||||||||||
| engine | 7 | Riccardo Patrese (ITA) | Brabham BT55 | BMW M12/13/1 | Pirelli | 62 | 7.000000.432 | 9 | 9.000000.637 | 12 | 4.000000.243 | (36) | ||
| spun off | 20 | Gerhard Berger (AUT) | Benetton B186 | BMW M12/13 | Pirelli | 44 | 2.000000.627 | 4 | 7.000000.742 | 10 | 3.000000.850 | (26) | ||
| spun off | 23 | Andrea de Cesaris (ITA) | Minardi M/86 | Motori Moderni 6VTC | Pirelli | 43 | 4.000000.082 | 16 | 1.000000.611 | 20 | 6.000000.034 | (28) | ||
| electrical | 2 | Keke Rosberg (FIN) | McLaren MP4-2C | TAG TTE PO1 | Goodyear | 41 | 3.000000.270 | 7 | 8.000000.360 | 6 | 2.000000.242 | (36) | ||
| electrical | 8 | Derek Warwick (GBR) | Brabham BT55 | BMW M12/13/1 | Pirelli | 41 | 4.000000.793 | 12 | 9.000000.882 | 18 | 5.000000.113 | (18) | ||
| engine | 26 | Philippe Alliot (FRA) | Ligier JS27 | Renault EF15B | Pirelli | 39 | 5.000000.903 | 11 | 9.000000.769 | 16 | 4.000000.516 | (38) | ||
| engine | 4 | Philippe Streiff (FRA) | Tyrrell 015 | Renault EF15B | Goodyear | 28 | 3.000000.119 | 23 | 2.000000.388 | 21 | 6.000000.242 | (27) | ||
| engine | 3 | Martin Brundle (GBR) | Tyrrell 015 | Renault EF15B | Goodyear | 18 | 1.000000.142 | 19 | 1.000000.835 | 22 | 6.000000.612 | (15) | ||
| spun off | 15 | Alan Jones (AUS) | Lola THL-2 | Ford F1 | Goodyear | 10 | 3.000000.730 | 17 | 1.000000.646 | 19 | 5.000000.681 | (6) | ||
| transmission | 29 | Huub Rothengatter (NED) | Zakspeed 861 | Zakspeed 861 | Goodyear | 9 | 1.000000.205 | 26 | 4.000000.105 | 25 | 8.000000.397 | (7) | ||
| engine | 21 | Piercarlo Ghinzani (ITA) | Osella FA1F | Alfa Romeo 890T | Pirelli | 8 | 7.000000.792 | 24 | 3.000000.566 | 26 | 0.000 | (3) | ||
| transmission | 31 | Ivan Capelli (ITA) | AGS JH21C | Motori Moderni 6VTC | Pirelli | 6 | 9.000000.142 | 25 | 3.000000.987 | 23 | 7.000000.861 | (6) | ||
