Round 14 · 21 September 1986
1986 Portuguese Grand Prix: results
Nigel Mansell (Williams) won the 1986 Portuguese Grand Prix, round 14 of the championship, held on 21 September 1986 at Autódromo do Estoril (Portugal), starting from position 2. Alain Prost (McLaren) and Nelson Piquet (Williams) completed the podium. Pole position went to Ayrton Senna.
Final classification
| Pos | Driver | Team | Grid | Time / gap | Pts | Status |
|---|---|---|---|---|---|---|
| 1 | Nigel Mansell | Williams | 2 | 1:37:21.900 | 9 | Finished |
| 2 | Alain Prost | McLaren | 3 | +18.772 s | 6 | Finished |
| 3 | Nelson Piquet | Williams | 6 | +49.274 s | 4 | Finished |
| 4 | Ayrton Senna | Team Lotus | 1 | — | 3 | Out of fuel |
| 5 | Michele Alboreto | Ferrari | 13 | +1 Lap | 2 | +1 Lap |
| 6 | Stefan Johansson | Ferrari | 8 | +1 Lap | 1 | +1 Lap |
| 7 | René Arnoux | Ligier | 10 | +1 Lap | — | +1 Lap |
| 8 | Teo Fabi | Benetton | 5 | +2 Laps | — | +2 Laps |
| 9 | Johnny Dumfries | Team Lotus | 15 | +2 Laps | — | +2 Laps |
| 10 | Thierry Boutsen | Arrows | 21 | +3 Laps | — | +3 Laps |
| 11 | Christian Danner | Arrows | 22 | +3 Laps | — | +3 Laps |
| 12 | Jonathan Palmer | Zakspeed | 20 | +3 Laps | — | +3 Laps |
| 13 | Allen Berg | Osella | 27 | +7 Laps | — | +7 Laps |
| 14 | Riccardo Patrese | Brabham | 9 | — | — | Engine |
| 15 | Patrick Tambay | Lola | 14 | — | — | Not classified |
| 16 | Alessandro Nannini | Minardi | 18 | — | — | Not classified |
| 17 | Gerhard Berger | Benetton | 4 | — | — | Spun off |
| 18 | Andrea de Cesaris | Minardi | 16 | — | — | Spun off |
| 19 | Keke Rosberg | McLaren | 7 | — | — | Electrical |
| 20 | Derek Warwick | Brabham | 12 | — | — | Electrical |
| 21 | Philippe Alliot | Ligier | 11 | — | — | Engine |
| 22 | Philippe Streiff | Tyrrell | 23 | — | — | Engine |
| 23 | Martin Brundle | Tyrrell | 19 | — | — | Engine |
| 24 | Alan Jones | Lola | 17 | — | — | Brakes |
| 25 | Huub Rothengatter | Zakspeed | 26 | — | — | Transmission |
| 26 | Piercarlo Ghinzani | Osella | 24 | — | — | Engine |
| 27 | Ivan Capelli | AGS | 25 | — | — | Transmission |