The 1986 Portuguese Grand Prix was Round 14 of the 1986 FIA Formula 1 World Championship. The event was held at Estoril, Portugal on Sunday, 21 September 1986. Ayrton Senna started on pole position in the Lotus Renault and Nigel Mansell was the race winner in the Williams Honda.
6 Grande Premio De Portugal Race Result
| Pos. | No. | Driver | Nationality | Team | Tyre | Laps | Time/Retired | Race Time | Gap | Interval | Best Lap | Lap | Started | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Nigel Mansell | Great Britain | Williams Honda | Goodyear | 70 | 1:37:21.900 | 1:37:21.900 | - | - | 1:20.943 | 53 | 2 | 9 |
| 2 | 1 | Alain Prost | France | McLaren TAG | Goodyear | 70 | +18.772 | 1:21.092 | 61 | 3 | 6 | |||
| 3 | 6 | Nelson Piquet | Brazil | Williams Honda | Goodyear | 70 | +49.274 | 1:38:11.174 | +49.274 | 1:21.100 | 60 | 6 | 4 | |
| 4 | 12 | Ayrton Senna | Brazil | Lotus Renault | Goodyear | 69 | Out of Fuel | 1 lap | 1 lap | 1:21.283 | 60 | 1 | 3 | |
| 5 | 27 | Michele Alboreto | Italy | Ferrari | Goodyear | 69 | +1 lap | 1 lap | 1:22.073 | 58 | 13 | 2 | ||
| 6 | 28 | Stefan Johansson | Sweden | Ferrari | Goodyear | 69 | +1 lap | 1 lap | 1:22.347 | 50 | 8 | 1 | ||
| 7 | 25 | René Arnoux | France | Ligier Renault | Pirelli | 69 | +1 lap | 1 lap | 1:24.356 | 53 | 10 | |||
| 8 | 19 | Teo Fabi | Italy | Benetton BMW | Pirelli | 68 | +2 laps | 2 laps | 1 lap | 1:22.999 | 53 | 5 | ||
| 9 | 11 | Johnny Dumfries | Great Britain | Lotus Renault | Goodyear | 68 | +2 laps | 2 laps | 1:23.737 | 49 | 15 | |||
| 10 | 18 | Thierry Boutsen | Belgium | Arrows BMW | Goodyear | 67 | +3 laps | 3 laps | 1 lap | 1:24.350 | 52 | 21 | ||
| 11 | 17 | Christian Danner | Germany | Arrows BMW | Goodyear | 67 | +3 laps | 3 laps | 1:24.268 | 64 | 22 | |||
| 12 | 14 | Jonathan Palmer | Great Britain | Zakspeed | Goodyear | 67 | +3 laps | 3 laps | 1:24.947 | 37 | 20 | |||
| 13 | 22 | Allen Berg | Canada | Osella Alfa Romeo | Pirelli | 63 | +7 laps | 7 laps | 4 laps | 1:30.477 | 34 | 27 | ||
| DNF | 7 | Riccardo Patrese | Italy | Brabham BMW | Pirelli | 62 | Engine | 8 laps | 1 lap | 1:24.243 | 36 | 9 | ||
| NC | 16 | Patrick Tambay | France | Lola Ford | Goodyear | 62 | +8 laps | 8 laps | 1:23.889 | 59 | 14 | |||
| NC | 24 | Alessandro Nannini | Italy | Minardi Motori Moderni | Pirelli | 60 | +10 Laps | 10 laps | 2 laps | 1:27.910 | 4 | 18 | ||
| DNF | 20 | Gerhard Berger | Austria | Benetton BMW | Pirelli | 44 | Spun Off | 26 laps | 16 laps | 1:23.850 | 26 | 4 | ||
| DNF | 23 | Andrea de Cesaris | Italy | Minardi Motori Moderni | Pirelli | 43 | Spun Off | 27 laps | 1 lap | 1:26.034 | 28 | 16 | ||
| DNF | 2 | Keke Rosberg | Finland | McLaren TAG | Goodyear | 41 | Electrical | 29 laps | 2 laps | 1:22.242 | 36 | 7 | ||
| DNF | 8 | Derek Warwick | Great Britain | Brabham BMW | Pirelli | 41 | Electrical | 29 laps | 1:25.113 | 18 | 12 | |||
| DNF | 26 | Philippe Alliot | France | Ligier Renault | Pirelli | 39 | Engine | 31 laps | 2 laps | 1:24.516 | 38 | 11 | ||
| DNF | 4 | Philippe Streiff | France | Tyrrell Renault | Goodyear | 28 | Engine | 42 laps | 11 laps | 1:26.242 | 27 | 23 | ||
| DNF | 3 | Martin Brundle | Great Britain | Tyrrell Renault | Goodyear | 18 | Engine | 52 laps | 10 laps | 1:26.612 | 15 | 19 | ||
| DNF | 15 | Alan Jones | Australia | Lola Ford | Goodyear | 10 | Spun Off | 60 laps | 8 laps | 1:25.681 | 6 | 17 | ||
| DNF | 29 | Huub Rothengatter | Netherlands | Zakspeed | Goodyear | 9 | Transmission | 61 laps | 1 lap | 1:28.397 | 7 | 26 | ||
| DNF | 21 | Piercarlo Ghinzani | Italy | Osella Alfa Romeo | Pirelli | 8 | Engine | 62 laps | 1 lap | 1:30.016 | 3 | 24 | ||
| DNF | 31 | Ivan Capelli | Italy | AGS Motori Moderni | Pirelli | 6 | Transmission | 64 laps | 2 laps | 1:27.861 | 6 | 25 |