MEXICAN GRAND PRIX - PRACTICE 1
28 May 1989
Autódromo Hermanos Rodríguez, Mexico
| Pos. | No. | Driver | Team | Time / Gap |
|---|---|---|---|---|
| 1 | 1 | Ayrton SennaSEN | McLaren Honda | 1:20.328 |
| 2 | 2 | Alain ProstPRO | McLaren Honda | +0.820s |
| 3 | 27 | Nigel MansellMAN | Ferrari | +1.092s |
| 4 | 5 | Thierry BoutsenBOU | Williams Renault | +2.194s |
| 5 | 3 | Jonathan PalmerPAL | Tyrrell Ford | +2.205s |
| 6 | 7 | Martin BrundleBRU | Brabham Judd | +2.270s |
| 7 | 4 | Michele AlboretoALB | Tyrrell Ford | +2.342s |
| 8 | 30 | Philippe AlliotALL | Lola Lamborghini | +2.423s |
| 9 | 12 | Satoru NakajimaNAK | Lotus Judd | +2.445s |
| 10 | 9 | Derek WarwickWAR | Arrows Ford | +2.477s |
| 11 | 6 | Riccardo PatresePAT | Williams Renault | +2.496s |
| 12 | 19 | Alessandro NanniniNAN | Benetton Ford | +2.578s |
| 13 | 11 | Nelson PiquetPIQ | Lotus Judd | +2.629s |
| 14 | 8 | Stefano ModenaMOD | Brabham Judd | +2.630s |
| 15 | 16 | Ivan CapelliCAP | March Judd | +2.659s |
| 16 | 21 | Alex CaffiCAF | Dallara Ford | +2.720s |
| 17 | 40 | Gabriele TarquiniTAR | AGS Ford | +2.784s |
| 18 | 10 | Eddie CheeverCHE | Arrows Ford | +2.872s |
| 19 | 28 | Gerhard BergerBER | Ferrari | +2.927s |
| 20 | 26 | Olivier GrouillardGRO | Ligier Ford | +2.974s |
| 21 | 20 | Johnny HerbertHER | Benetton Ford | +3.230s |
| 22 | 36 | Stefan JohanssonJOH | Onyx Ford | +3.232s |
| 23 | 22 | Andrea de CesarisDEC | Dallara Ford | +3.649s |
| 24 | 38 | Christian DannerDAN | Rial Ford | +3.848s |
| 25 | 15 | Mauricio GugelminGUG | March Judd | +3.884s |
| 26 | 25 | Rene ArnouxARN | Ligier Ford | +3.948s |
| 27 | 29 | Yannick DalmasDAL | Lola Lamborghini | +5.683s |
| 28 | 23 | Pierluigi MartiniMAR | Minardi Ford | +6.260s |
| 29 | 31 | Roberto MorenoMOR | Coloni Ford | +10.516s |
| 30 | 24 | Luis Perez-SalaPER | Minardi Ford | +11.029s |