Portuguese Grand Prix
Round 14 · 21 September 1986 ·Autódromo do Estoril, Estoril, Portugal
Prost
McLaren
2
Mansell
Williams
1
Piquet
Williams
3
Race classification
| Pos. | Driver | Nationality | Team | Laps | Time | Pts. |
|---|---|---|---|---|---|---|
| 1 | Nigel Mansell |  British | Williams | 70 | 1:37:21.900 | 9 |
| 2 | Alain Prost |  French | McLaren | 70 | +18.772 | 6 |
| 3 | Nelson Piquet |  Brazilian | Williams | 70 | +49.274 | 4 |
| 4 | Ayrton Senna | Brazilian | Team Lotus | 69 | Out of fuel | 3 |
| 5 | Michele Alboreto |  Italian | Ferrari | 69 | +1 Lap | 2 |
| 6 | Stefan Johansson |  Swedish | Ferrari | 69 | +1 Lap | 1 |
| 7 | René Arnoux | French | Ligier | 69 | +1 Lap | 0 |
| 8 | Teo Fabi | Italian | Benetton | 68 | +2 Laps | 0 |
| 9 | Johnny Dumfries | British | Team Lotus | 68 | +2 Laps | 0 |
| 10 | Thierry Boutsen |  Belgian | Arrows | 67 | +3 Laps | 0 |
| 11 | Christian Danner |  German | Arrows | 67 | +3 Laps | 0 |
| 12 | Jonathan Palmer | British | Zakspeed | 67 | +3 Laps | 0 |
| 13 | Allen Berg |  Canadian | Osella | 63 | +7 Laps | 0 |
| R | Riccardo Patrese | Italian | Brabham | 62 | Engine | 0 |
| N | Patrick Tambay | French | Lola | 62 | Not classified | 0 |
| N | Alessandro Nannini | Italian | Minardi | 60 | Not classified | 0 |
| R | Gerhard Berger |  Austrian | Benetton | 44 | Spun off | 0 |
| R | Andrea de Cesaris | Italian | Minardi | 43 | Spun off | 0 |
| R | Keke Rosberg |  Finnish | McLaren | 41 | Electrical | 0 |
| R | Derek Warwick | British | Brabham | 41 | Electrical | 0 |
| R | Philippe Alliot | French | Ligier | 39 | Engine | 0 |
| R | Philippe Streiff | French | Tyrrell | 28 | Engine | 0 |
| R | Martin Brundle | British | Tyrrell | 18 | Engine | 0 |
| R | Alan Jones |  Australian | Lola | 10 | Brakes | 0 |
| R | Huub Rothengatter |  Dutch | Zakspeed | 9 | Transmission | 0 |
| R | Piercarlo Ghinzani | Italian | Osella | 8 | Engine | 0 |
| R | Ivan Capelli | Italian | AGS | 6 | Transmission | 0 |
- R
- Retired
- N
- Not classified