Portuguese Grand Prix
Autódromo do Estoril
Grand Prix starting grid
Race starts
Grid positions from race-result records; not a separately verified pre-race grid.
| POS | DRIVER | TEAM |
|---|---|---|
| 1 | Ayrton Senna | Team Lotus |
| 2 | Alain Prost | McLaren |
| 3 | Keke Rosberg | Williams |
| 4 | Elio de Angelis | Team Lotus |
| 5 | Michele Alboreto | Ferrari |
| 6 | Derek Warwick | Renault |
| 7 | Niki Lauda | McLaren |
| 8 | Andrea de Cesaris | Ligier |
| 9 | Nigel Mansell | Williams |
| 10 | Thierry Boutsen | Arrows |
| 11 | Stefan Johansson | Ferrari |
| 12 | Patrick Tambay | Renault |
| 13 | Riccardo Patrese | Alfa Romeo |
| 14 | Eddie Cheever | Alfa Romeo |
| 15 | Manfred Winkelhock | RAM |
| 16 | Nelson Piquet | Brabham |
| 17 | Gerhard Berger | Arrows |
| 18 | Jacques Laffite | Ligier |
| 19 | François Hesnault | Brabham |
| 20 | Philippe Alliot | RAM |
| 21 | Stefan Bellof | Tyrrell |
| 22 | Martin Brundle | Tyrrell |
| 23 | Jonathan Palmer | Zakspeed |
| 25 | Pierluigi Martini | Minardi |
| 26 | Piercarlo Ghinzani | Osella |
| 29 | Mauro Baldi | Spirit |