| «1987-12» | Portugal Grand Prix - XVI Grande Premio de Portugal |
| 1987-09-20 | Estoril - Autódromo Fernanda Pires da Silva - 70 laps × 4.35 km : 304.5 km |
| Pos | Grid | Car | Driver | Constructor | Q1 | Q2 | Best | Gap | Interval |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 28 | Gerhard Berger | Ferrari | 01:18.448 | 01:17.620 | 01:17.620 | 201.752 km/h | |
| 2 | 2 | 5 | Nigel Mansell | Williams • Honda | 01:17.951 | 01:18.235 | 01:17.951 | +00.331 (+0.426%) | +00.331 |
| 3 | 3 | 1 | Alain Prost | McLaren • TAG Porsche | 01:18.404 | 01:17.994 | 01:17.994 | +00.374 (+0.482%) | +00.043 |
| 4 | 4 | 6 | Nelson Piquet | Williams • Honda | 01:18.164 | 01:18.164 | +00.544 (+0.701%) | +00.170 | |
| 5 | 5 | 12 | Ayrton Senna | Lotus • Honda | 01:18.382 | 01:18.354 | 01:18.354 | +00.734 (+0.946%) | +00.190 |
| 6 | 6 | 27 | Michele Alboreto | Ferrari | 01:20.069 | 01:18.540 | 01:18.540 | +00.920 (+1.185%) | +00.186 |
| 7 | 7 | 7 | Riccardo Patrese | Brabham • BMW | 01:21.506 | 01:19.965 | 01:19.965 | +02.345 (+3.021%) | +01.425 |
| 8 | 8 | 2 | Stefan Johansson | McLaren • TAG Porsche | 01:20.134 | 01:20.227 | 01:20.134 | +02.514 (+3.239%) | +00.169 |
| 9 | 9 | 20 | Thierry Boutsen | Benetton • Ford Cosworth | 01:20.305 | 01:20.558 | 01:20.305 | +02.685 (+3.459%) | +00.171 |
| 10 | 10 | 19 | Teo Fabi | Benetton • Ford Cosworth | 01:20.483 | 01:20.548 | 01:20.483 | +02.863 (+3.688%) | +00.178 |
| 11 | 11 | 18 | Eddie Cheever | Arrows • Megatron | 01:21.324 | 01:21.207 | 01:21.207 | +03.587 (+4.621%) | +00.724 |
| 12 | 12 | 17 | Derek Warwick | Arrows • Megatron | 01:21.397 | 01:21.587 | 01:21.397 | +03.777 (+4.866%) | +00.190 |
| 13 | 13 | 8 | Andrea de Cesaris | Brabham • BMW | 01:22.060 | 01:21.725 | 01:21.725 | +04.105 (+5.289%) | +00.328 |
| 14 | 14 | 24 | Alessandro Nannini | Minardi • Motori Moderni | 01:21.784 | 01:22.128 | 01:21.784 | +04.164 (+5.365%) | +00.059 |
| 15 | 15 | 11 | Satoru Nakajima | Lotus • Honda | 01:22.222 | 01:22.222 | +04.602 (+5.929%) | +00.438 | |
| 16 | 16 | 10 | Christian Danner | Zakspeed | 01:22.424 | 01:22.358 | 01:22.358 | +04.738 (+6.104%) | +00.136 |
| 17 | 17 | 9 | Martin Brundle | Zakspeed | 01:22.400 | 01:22.794 | 01:22.400 | +04.780 (+6.158%) | +00.042 |
| 18 | 18 | 25 | René Arnoux | Ligier • Megatron | 01:23.637 | 01:23.237 | 01:23.237 | +05.617 (+7.237%) | +00.837 |
| 19 | 19 | 30 | Philippe Alliot | Lola • Ford Cosworth | 01:24.181 | 01:23.580 | 01:23.580 | +05.960 (+7.678%) | +00.343 |
| 20 | 20 | 23 | Adrian Campos | Minardi • Motori Moderni | 01:24.822 | 01:23.591 | 01:23.591 | +05.971 (+7.693%) | +00.011 |
| 21 | 21 | 4 | Philippe Streiff | Tyrrell • Ford Cosworth | 01:23.810 | 01:24.436 | 01:23.810 | +06.190 (+7.975%) | +00.219 |
| 22 | 22 | 16 | Ivan Capelli | March • Ford Cosworth | 01:24.533 | 01:23.905 | 01:23.905 | +06.285 (+8.097%) | +00.095 |
| 23 | 23 | 26 | Piercarlo Ghinzani | Ligier • Megatron | 01:24.105 | 01:24.979 | 01:24.105 | +06.485 (+8.355%) | +00.200 |
| 24 | 24 | 3 | Jonathan Palmer | Tyrrell • Ford Cosworth | 01:24.392 | 01:24.217 | 01:24.217 | +06.597 (+8.499%) | +00.112 |
| 25 | 25 | 21 | Alex Caffi | Osella • Alfa Romeo | 01:24.792 | 01:25.232 | 01:24.792 | +07.172 (+9.240%) | +00.575 |
| 26 | 26 | 22 | Franco Forini | Osella • Alfa Romeo | 01:27.219 | 01:26.635 | 01:26.635 | +09.015 (+11.614%) | +01.843 |
| 27 | 14 | Pascal Fabre | AGS • Ford Cosworth | 01:28.756 | 01:26.946 | 01:26.946 | +09.326 (+12.015%) | +00.311 |