PORTUGUESE GRAND PRIX - QUALIFYING 1
23 Sep 1990
Autódromo do Estoril, Portugal
| Pos. | No. | Driver | Team | Time |
|---|---|---|---|---|
| 1 | 27 | Ayrton SennaSEN | McLaren Honda | 1:14.246 |
| 2 | 1 | Alain ProstPRO | Ferrari | 1:14.530 |
| 3 | 28 | Gerhard BergerBER | McLaren Honda | 1:14.552 |
| 4 | 2 | Nigel MansellMAN | Ferrari | 1:14.861 |
| 5 | 6 | Riccardo PatresePAT | Williams Renault | 1:15.539 |
| 6 | 20 | Nelson PiquetPIQ | Benetton Ford | 1:15.542 |
| 7 | 5 | Thierry BoutsenBOU | Williams Renault | 1:15.646 |
| 8 | 4 | Jean AlesiALE | Tyrrell Ford | 1:16.092 |
| 9 | 19 | Alessandro NanniniNAN | Benetton Ford | 1:16.123 |
| 10 | 29 | Eric BernardBER | Lola Lamborghini | 1:16.477 |
| 11 | 23 | Pierluigi MartiniMAR | Minardi Ford | 1:17.045 |
| 12 | 3 | Satoru NakajimaNAK | Tyrrell Ford | 1:17.097 |
| 13 | 30 | Aguri SuzukiSUZ | Lola Lamborghini | 1:17.189 |
| 14 | 22 | Andrea de CesarisDEC | Dallara Ford | 1:17.252 |
| 15 | 26 | Philippe AlliotALL | Ligier Ford | 1:17.330 |
| 16 | 12 | Martin DonnellyDON | Lotus Lamborghini | 1:17.414 |
| 17 | 15 | Mauricio GugelminGUG | Leyton House Judd | 1:17.569 |
| 18 | 21 | Emanuele PirroPIR | Dallara Ford | 1:17.653 |
| 19 | 11 | Derek WarwickWAR | Lotus Lamborghini | 1:17.904 |
| 20 | 8 | Stefano ModenaMOD | Brabham Judd | 1:17.962 |
| 21 | 16 | Ivan CapelliCAP | Leyton House Judd | 1:18.242 |
| 22 | 14 | Olivier GrouillardGRO | Osella Ford | 1:18.512 |
| 23 | 18 | Yannick DalmasDAL | AGS Ford | 1:18.581 |
| 24 | 9 | Michele AlboretoALB | Arrows Ford | 1:18.630 |
| 25 | 24 | Paolo BarillaBAR | Minardi Ford | 1:18.669 |
| 26 | 10 | Alex CaffiCAF | Arrows Ford | 1:18.725 |
| 27 | 25 | Nicola LariniLAR | Ligier Ford | 1:18.958 |
| 28 | 7 | David BrabhamBRA | Brabham Judd | 1:18.967 |
| 29 | 17 | Gabriele TarquiniTAR | AGS Ford | 1:20.226 |
| 30 | 31 | Bertrand GachotGAC | Coloni Ford | 1:20.662 |