PORTUGUESE GRAND PRIX - PRACTICE 1
24 Sep 1989
Autódromo do Estoril, Portugal
| Pos. | No. | Driver | Team | Time / Gap | 
|---|---|---|---|---|
| 1 | 1 | Ayrton SennaSEN | McLaren Honda | 1:17.132 | 
| 2 | 2 | Alain ProstPRO | McLaren Honda | +0.505s | 
| 3 | 28 | Gerhard BergerBER | Ferrari | +0.936s | 
| 4 | 7 | Martin BrundleBRU | Brabham Judd | +0.940s | 
| 5 | 27 | Nigel MansellMAN | Ferrari | +1.009s | 
| 6 | 6 | Riccardo PatresePAT | Williams Renault | +1.143s | 
| 7 | 19 | Alessandro NanniniNAN | Benetton Ford | +1.223s | 
| 8 | 24 | Luis Perez-SalaPER | Minardi Ford | +1.369s | 
| 9 | 23 | Pierluigi MartiniMAR | Minardi Ford | +1.462s | 
| 10 | 21 | Alex CaffiCAF | Dallara Ford | +1.534s | 
| 11 | 16 | Ivan CapelliCAP | March Judd | +1.685s | 
| 12 | 8 | Stefano ModenaMOD | Brabham Judd | +1.759s | 
| 13 | 3 | Jonathan PalmerPAL | Tyrrell Ford | +1.774s | 
| 14 | 31 | Roberto MorenoMOR | Coloni Ford | +1.805s | 
| 15 | 30 | Philippe AlliotALL | Lola Lamborghini | +1.893s | 
| 16 | 11 | Nelson PiquetPIQ | Lotus Judd | +2.172s | 
| 17 | 5 | Thierry BoutsenBOU | Williams Renault | +2.334s | 
| 18 | 25 | Rene ArnouxARN | Ligier Ford | +2.478s | 
| 19 | 36 | Stefan JohanssonJOH | Onyx Ford | +2.513s | 
| 20 | 20 | Emanuele PirroPIR | Benetton Ford | +2.839s | 
| 21 | 15 | Mauricio GugelminGUG | March Judd | +2.845s | 
| 22 | 10 | Eddie CheeverCHE | Arrows Ford | +2.899s | 
| 23 | 12 | Satoru NakajimaNAK | Lotus Judd | +3.021s | 
| 24 | 26 | Olivier GrouillardGRO | Ligier Ford | +3.207s | 
| 25 | 4 | Johnny HerbertHER | Tyrrell Ford | +3.236s | 
| 26 | 22 | Andrea de CesarisDEC | Dallara Ford | +3.645s | 
| 27 | 9 | Derek WarwickWAR | Arrows Ford | +3.672s | 
| 28 | 29 | Michele AlboretoALB | Lola Lamborghini | +4.507s | 
| 29 | 38 | Christian DannerDAN | Rial Ford | +5.262s | 
| 30 | 39 | Pierre Henri RaphanelRAP | Rial Ford | +7.604s |