| «1985-02» | Portugal Grand Prix - XIV Grande Premio de Portugal |
| 1985-04-21 | Estoril - Autódromo Fernanda Pires da Silva - 67 laps × 4.35 km : 291.45 km |
| Pos | Grid | Car | Driver | Constructor | Q1 | Q2 | Best | Gap | Interval |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 12 | Ayrton Senna | Lotus • Renault | 01:21.708 | 01:21.007 | 01:21.007 | 193.317 km/h | |
| 2 | 2 | 2 | Alain Prost | McLaren • TAG Porsche | 01:23.887 | 01:21.420 | 01:21.420 | +00.413 (+0.510%) | +00.413 |
| 3 | 3 | 6 | Keke Rosberg | Williams • Honda | 15:59.178 | 01:21.904 | 01:21.904 | +00.897 (+1.107%) | +00.484 |
| 4 | 4 | 11 | Elio de Angelis | Lotus • Renault | 01:22.306 | 01:22.159 | 01:22.159 | +01.152 (+1.422%) | +00.255 |
| 5 | 5 | 27 | Michele Alboreto | Ferrari | 01:23.831 | 01:22.577 | 01:22.577 | +01.570 (+1.938%) | +00.418 |
| 6 | 6 | 16 | Derek Warwick | Renault | 01:24.538 | 01:23.084 | 01:23.084 | +02.077 (+2.564%) | +00.507 |
| 7 | 7 | 1 | Niki Lauda | McLaren • TAG Porsche | 01:23.670 | 01:23.288 | 01:23.288 | +02.281 (+2.816%) | +00.204 |
| 8 | 8 | 25 | Andrea de Cesaris | Ligier • Renault | 01:24.723 | 01:23.302 | 01:23.302 | +02.295 (+2.833%) | +00.014 |
| 9 | 9 | 5 | Nigel Mansell | Williams • Honda | 01:26.459 | 01:23.594 | 01:23.594 | +02.587 (+3.194%) | +00.292 |
| 10 | 10 | 7 | Nelson Piquet | Brabham • BMW | 01:25.580 | 01:23.618 | 01:23.618 | +02.611 (+3.223%) | +00.024 |
| 11 | 11 | 28 | Stefan Johansson | Ferrari | 01:25.136 | 01:23.652 | 01:23.652 | +02.645 (+3.265%) | +00.034 |
| 12 | 12 | 15 | Patrick Tambay | Renault | 01:25.718 | 01:24.111 | 01:24.111 | +03.104 (+3.832%) | +00.459 |
| 13 | 13 | 22 | Riccardo Patrese | Alfa Romeo | 01:24.519 | 01:24.230 | 01:24.230 | +03.223 (+3.979%) | +00.119 |
| 14 | 14 | 23 | Eddie Cheever | Alfa Romeo | 01:24.880 | 01:24.563 | 01:24.563 | +03.556 (+4.390%) | +00.333 |
| 15 | 15 | 9 | Manfred Winkelhock | RAM • Hart | 01:34.876 | 01:24.721 | 01:24.721 | +03.714 (+4.585%) | +00.158 |
| 16 | 16 | 18 | Thierry Boutsen | Arrows • BMW | 01:24.747 | 01:26.695 | 01:24.747 | +03.740 (+4.617%) | +00.026 |
| 17 | 17 | 17 | Gerhard Berger | Arrows • BMW | 01:26.154 | 01:24.842 | 01:24.842 | +03.835 (+4.734%) | +00.095 |
| 18 | 18 | 26 | Jacques Laffite | Ligier • Renault | 01:24.943 | 01:26.181 | 01:24.943 | +03.936 (+4.859%) | +00.101 |
| 19 | 19 | 8 | François Hesnault | Brabham • BMW | 14:46.042 | 01:25.717 | 01:25.717 | +04.710 (+5.814%) | +00.774 |
| 20 | 20 | 10 | Philippe Alliot | RAM • Hart | 01:27.430 | 01:26.187 | 01:26.187 | +05.180 (+6.395%) | +00.470 |
| 21 | 21 | 4 | Stefan Bellof | Tyrrell • Ford Cosworth | 01:27.284 | 01:27.474 | 01:27.284 | +06.277 (+7.749%) | +01.097 |
| 22 | 22 | 3 | Martin Brundle | Tyrrell • Ford Cosworth | 01:28.694 | 01:27.602 | 01:27.602 | +06.595 (+8.141%) | +00.318 |
| 23 | 23 | 30 | Jonathan Palmer | Zakspeed | 01:28.166 | 01:28.166 | +07.159 (+8.838%) | +00.564 | |
| 24 | 24 | 21 | Mauro Baldi | Spirit • Hart | 01:30.231 | 01:28.473 | 01:28.473 | +07.466 (+9.216%) | +00.307 |
| 25 | 25 | 29 | Pierluigi Martini | Minardi • Ford Cosworth | 01:31.205 | 01:28.596 | 01:28.596 | +07.589 (+9.368%) | +00.123 |
| 26 | 26 | 24 | Piercarlo Ghinzani | Osella • Alfa Romeo | 01:30.855 | 01:30.855 | +09.848 (+12.157%) | +02.259 |