PORTUGUESE GRAND PRIX - QUALIFYING 1
25 Sep 1988
Autódromo do Estoril, Portugal
| Pos. | No. | Driver | Team | Time |
|---|---|---|---|---|
| 1 | 12 | Ayrton SennaSEN | McLaren Honda | 1:18.032 |
| 2 | 11 | Alain ProstPRO | McLaren Honda | 1:18.378 |
| 3 | 1 | Nelson PiquetPIQ | Lotus Honda | 1:19.551 |
| 4 | 6 | Riccardo PatresePAT | Williams Judd | 1:19.878 |
| 5 | 28 | Gerhard BergerBER | Ferrari | 1:20.065 |
| 6 | 16 | Ivan CapelliCAP | March Judd | 1:20.390 |
| 7 | 20 | Thierry BoutsenBOU | Benetton Ford | 1:20.700 |
| 8 | 15 | Mauricio GugelminGUG | March Judd | 1:20.791 |
| 9 | 5 | Nigel MansellMAN | Williams Judd | 1:20.908 |
| 10 | 19 | Alessandro NanniniNAN | Benetton Ford | 1:21.008 |
| 11 | 17 | Derek WarwickWAR | Arrows Megatron | 1:21.240 |
| 12 | 23 | Pierluigi MartiniMAR | Minardi Ford | 1:21.292 |
| 13 | 22 | Andrea de CesarisDEC | Rial Ford | 1:21.386 |
| 14 | 18 | Eddie CheeverCHE | Arrows Megatron | 1:21.519 |
| 15 | 14 | Philippe StreiffSTR | AGS Ford | 1:21.644 |
| 16 | 27 | Michele AlboretoALB | Ferrari | 1:21.647 |
| 17 | 29 | Yannick DalmasDAL | Lola Ford | 1:21.655 |
| 18 | 30 | Philippe AlliotALL | Lola Ford | 1:21.809 |
| 19 | 24 | Luis Perez-SalaPER | Minardi Ford | 1:21.909 |
| 20 | 36 | Alex CaffiCAF | Dallara Ford | 1:22.349 |
| 21 | 2 | Satoru NakajimaNAK | Lotus Honda | 1:22.496 |
| 22 | 26 | Stefan JohanssonJOH | Ligier Judd | 1:22.778 |
| 23 | 25 | Rene ArnouxARN | Ligier Judd | 1:22.786 |
| 24 | 3 | Jonathan PalmerPAL | Tyrrell Ford | 1:22.797 |
| 25 | 21 | Nicola LariniLAR | Osella | 1:22.883 |
| 26 | 4 | Julian BaileyBAI | Tyrrell Ford | 1:22.946 |
| 27 | 31 | Gabriele TarquiniTAR | Coloni Ford | 1:23.057 |
| 28 | 33 | Stefano ModenaMOD | Euro Brun Ford | 1:23.075 |
| 29 | 10 | Bernd SchneiderSCH | Zakspeed | 1:23.393 |
| 30 | 9 | Piercarlo GhinzaniGHI | Zakspeed | 1:24.127 |