1986.14-Portogallo
XV Grande Premio de Portugal – 21 settembre – Estoril
70 giri x 4.350 km – 304.500 km
ELENCO ISCRITTI
| N° | Pilota | Squadra | Telaio | Motore | |
| 1 | Alain PROST | Marlboro McLaren International | McLaren | MP4/2C | TAG Porsche |
| 2 | Keke ROSBERG | Marlboro McLaren International | McLaren | MP4/2C | TAG Porsche |
| 3 | Martin BRUNDLE | Data General Team Tyrrell | Tyrrell | 015 | Renault |
| 4 | Philippe STREIFF | Data General Team Tyrrell | Tyrrell | 015 | Renault |
| 5 | Nigel MANSELL | Canon Williams Honda Team | Williams | FW11 | Honda |
| 6 | Nelson PIQUET | Canon Williams Honda Team | Williams | FW11 | Honda |
| 7 | Riccardo PATRESE | Motor Racing Developments Ltd | Brabham | BT55 | BMW |
| 8 | Derek WARWICK | Motor Racing Developments Ltd | Brabham | BT55 | BMW |
| 11 | Johnny DUMFRIES | John Player Special Team Lotus | Lotus | 98T | Renault |
| 12 | Ayrton SENNA | John Player Special Team Lotus | Lotus | 98T | Renault |
| 14 | Jonathan PALMER | West Zakspeed Racing | Zakspeed | 861 | Zakspeed |
| 15 | Alan JONES | Team Haas (USA) Ltd | Lola | THL2 | Ford Cosworth |
| 16 | Patrick TAMBAY | Team Haas (USA) Ltd | Lola | THL2 | Ford Cosworth |
| 17 | Christian DANNER | Barclay Arrows BMW | Arrows | A8 | BMW |
| 18 | Thierry BOUTSEN | Barclay Arrows BMW | Arrows | A8 | BMW |
| 19 | Teo FABI | Benetton Formula Ltd | Benetton | B186 | BMW |
| 20 | Gerhard BERGER | Benetton Formula Ltd | Benetton | B186 | BMW |
| 21 | Piercarlo GHINZANI | Osella Squadra Corse | Osella | FA1G | Alfa Romeo |
| 22 | Allen BERG | Osella Squadra Corse | Osella | FA1F | Alfa Romeo |
| 23 | Andrea De CESARIS | Minardi F1 Team | Minardi | M186 | Motori Moderni |
| 24 | Alessandro NANNINI | Minardi F1 Team | Minardi | M185B | Motori Moderni |
| 25 | René ARNOUX | Equipe Ligier | Ligier | JS27 | Renault |
| 26 | Philippe ALLIOT | Equipe Ligier | Ligier | JS27 | Renault |
| 27 | Michele ALBORETO | Scuderia Ferrari SpA SEFAC | Ferrari | F186 | Ferrari |
| 28 | Stefan JOHANSSON | Scuderia Ferrari SpA SEFAC | Ferrari | F186 | Ferrari |
| 29 | Huub ROTHENGATTER | West Zakspeed Racing | Zakspeed | 861 | Zakspeed |
| 31 | Ivan CAPELLI | Jolly Club SpA | AGS | JH21C | Motori Moderni |
QUALIFICAZIONI
| Pos | Pilota | Telaio | Motore | Tempo |
| 1 | Ayrton SENNA | Lotus | Renault | 1’16”673 |
| 2 | Nigel MANSELL | Williams | Honda | 1’17”489 |
| 3 | Alain PROST | McLaren | TAG Porsche | 1’17”710 |
| 4 | Gerhard BERGER | Benetton | BMW | 1’17”742 |
| 5 | Teo FABI | Benetton | BMW | 1’18”071 |
| 6 | Nelson PIQUET | Williams | Honda | 1’18”180 |
| 7 | Keke ROSBERG | McLaren | TAG Porsche | 1’18”360 |
| 8 | Stefan JOHANSSON | Ferrari | Ferrari | 1’19”332 |
| 9 | Riccardo PATRESE | Brabham | BMW | 1’19”637 |
| 10 | René ARNOUX | Ligier | Renault | 1’19”657 |
| 11 | Philippe ALLIOT | Ligier | Renault | 1’19”769 |
| 12 | Derek WARWICK | Brabham | BMW | 1’19”882 |
| 13 | Michele ALBORETO | Ferrari | Ferrari | 1’20”019 |
| 14 | Patrick TAMBAY | Lola | Ford Cosworth | 1’20”761 |
| 15 | Johnny DUMFRIES | Lotus | Renault | 1’21”594 |
| 16 | Andrea De CESARIS | Minardi | Motori Moderni | 1’21”611 |
| 17 | Alan JONES | Lola | Ford Cosworth | 1’21”646 |
| 18 | Alessandro NANNINI | Minardi | Motori Moderni | 1’21”702 |
| 19 | Martin BRUNDLE | Tyrrell | Renault | 1’21”835 |
| 20 | Jonathan PALMER | Zakspeed | Zakspeed | 1’21”929 |
| 21 | Thierry BOUTSEN | Arrows | BMW | 1’22”068 |
| 22 | Christian DANNER | Arrows | BMW | 1’22”274 |
| 23 | Philippe STREIFF | Tyrrell | Renault | 1’22”388 |
| 24 | Piercarlo GHINZANI | Osella | Alfa Romeo | 1’23”566 |
| 25 | Ivan CAPELLI | AGS | Motori Moderni | 1’23”987 |
| 26 | Huub ROTHENGATTER | Zakspeed | Zakspeed | 1’24”105 |
| 27 | Allen BERG | Osella | Alfa Romeo | 1’26”861 |
ORDINE DI ARRIVO
| Pos | N° | Pilota | Telaio | Motore | Giro | |
| 1 | 5 | Nigel MANSELL | Williams | Honda | 70 | 1h 37m 21.900s ( 187.644 km/h ) |
| 2 | 1 | Alain PROST | McLaren | TAG Porsche | 70 | ( +18.772s ) |
| 3 | 6 | Nelson PIQUET | Williams | Honda | 70 | ( +49.274s ) |
| 4 | 12 | Ayrton SENNA | Lotus | Renault | 69 | |
| 5 | 27 | Michele ALBORETO | Ferrari | Ferrari | 69 | |
| 6 | 28 | Stefan JOHANSSON | Ferrari | Ferrari | 69 | |
| 7 | 25 | René ARNOUX | Ligier | Renault | 69 | |
| 8 | 19 | Teo FABI | Benetton | BMW | 68 | |
| 9 | 11 | Johnny DUMFRIES | Lotus | Renault | 68 | |
| 10 | 18 | Thierry BOUTSEN | Arrows | BMW | 67 | |
| 11 | 17 | Christian DANNER | Arrows | BMW | 67 | |
| 12 | 14 | Jonathan PALMER | Zakspeed | Zakspeed | 67 | |
| 13 | 22 | Allen BERG | Osella | Alfa Romeo | 63 | |
| ab | 7 | Riccardo PATRESE | Brabham | BMW | 62 | |
| nc | 16 | Patrick TAMBAY | Lola | Ford Cosworth | 62 | |
| ab | 24 | Alessandro NANNINI | Minardi | Motori Moderni | 60 | |
| ab | 20 | Gerhard BERGER | Benetton | BMW | 44 | |
| ab | 23 | Andrea De CESARIS | Minardi | Motori Moderni | 43 | |
| ab | 2 | Keke ROSBERG | McLaren | TAG Porsche | 41 | |
| ab | 8 | Derek WARWICK | Brabham | BMW | 41 | |
| ab | 26 | Philippe ALLIOT | Ligier | Renault | 39 | |
| ab | 4 | Philippe STREIFF | Tyrrell | Renault | 28 | |
| ab | 3 | Martin BRUNDLE | Tyrrell | Renault | 18 | |
| ab | 15 | Alan JONES | Lola | Ford Cosworth | 10 | |
| ab | 29 | Huub ROTHENGATTER | Zakspeed | Zakspeed | 9 | |
| ab | 21 | Piercarlo GHINZANI | Osella | Alfa Romeo | 8 | |
| ab | 31 | Ivan CAPELLI | AGS | Motori Moderni | 6 |
GIRO VELOCE
| Pilota | Telaio | Motore | Tempo | Giro | Media |
| Nigel MANSELL | Williams | Honda | 1’20”943 | 53 | 193.469 |
