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 | Riccardo Patrese | Williams |
| 2 | Gerhard Berger | McLaren |
| 3 | Ayrton Senna | McLaren |
| 4 | Nigel Mansell | Williams |
| 5 | Alain Prost | Ferrari |
| 6 | Jean Alesi | Ferrari |
| 7 | Maurício Gugelmin | Leyton House |
| 8 | Pierluigi Martini | Minardi |
| 9 | Ivan Capelli | Leyton House |
| 10 | Michael Schumacher | Benetton |
| 11 | Nelson Piquet | Benetton |
| 12 | Stefano Modena | Tyrrell |
| 13 | Gianni Morbidelli | Minardi |
| 14 | Andrea de Cesaris | Jordan |
| 15 | Mark Blundell | Brabham |
| 16 | Emanuele Pirro | Dallara |
| 17 | Satoru Nakajima | Tyrrell |
| 18 | Jyrki Järvilehto | Dallara |
| 19 | Martin Brundle | Brabham |
| 20 | Thierry Boutsen | Ligier |
| 21 | Roberto Moreno | Jordan |
| 22 | Michele Alboreto | Footwork |
| 23 | Érik Comas | Ligier |
| 24 | Mika Häkkinen | Team Lotus |
| 25 | Aguri Suzuki | Lola |
| 26 | Johnny Herbert | Team Lotus |