PORTUGUESE GRAND PRIX - QUALIFYING 1
22 Sep 1991
Autódromo do Estoril, Portugal
| Pos. | No. | Driver | Team | Time |
|---|---|---|---|---|
| 1 | 2 | Gerhard BergerBER | McLaren Honda | 1:13.221 |
| 2 | 1 | Ayrton SennaSEN | McLaren Honda | 1:13.752 |
| 3 | 5 | Nigel MansellMAN | Williams Renault | 1:13.944 |
| 4 | 6 | Riccardo PatresePAT | Williams Renault | 1:14.041 |
| 5 | 27 | Alain ProstPRO | Ferrari | 1:15.018 |
| 6 | 23 | Pierluigi MartiniMAR | Minardi Ferrari | 1:15.394 |
| 7 | 16 | Ivan CapelliCAP | Leyton House Ilmor | 1:15.481 |
| 8 | 28 | Jean AlesiALE | Ferrari | 1:15.572 |
| 9 | 33 | Andrea de CesarisDEC | Jordan Ford | 1:15.972 |
| 10 | 4 | Stefano ModenaMOD | Tyrrell Honda | 1:16.018 |
| 11 | 20 | Nelson PiquetPIQ | Benetton Ford | 1:16.241 |
| 12 | 19 | Michael SchumacherMSC | Benetton Ford | 1:16.477 |
| 13 | 24 | Gianni MorbidelliMOR | Minardi Ferrari | 1:16.540 |
| 14 | 8 | Mark BlundellBLU | Brabham Yamaha | 1:16.567 |
| 15 | 22 | Jyrki JarvilehtoJAR | Dallara Judd | 1:16.724 |
| 16 | 21 | Emanuele PirroPIR | Dallara Judd | 1:16.725 |
| 17 | 3 | Satoru NakajimaNAK | Tyrrell Honda | 1:16.926 |
| 18 | 32 | Roberto MorenoMOR | Jordan Ford | 1:16.956 |
| 19 | 15 | Mauricio GugelminGUG | Leyton House Ilmor | 1:17.214 |
| 20 | 7 | Martin BrundleBRU | Brabham Yamaha | 1:17.298 |
| 21 | 30 | Aguri SuzukiSUZ | Lola Ford | 1:17.434 |
| 22 | 12 | Johnny HerbertHER | Lotus Judd | 1:17.713 |
| 23 | 25 | Thierry BoutsenBOU | Ligier Lamborghini | 1:18.005 |
| 24 | 29 | Eric BernardBER | Lola Ford | 1:18.186 |
| 25 | 26 | Erik ComasCOM | Ligier Lamborghini | 1:18.192 |
| 26 | 17 | Gabriele TarquiniTAR | AGS Ford | 1:18.295 |
| 27 | 9 | Michele AlboretoALB | Footwork Porsche | 1:18.389 |
| 28 | 11 | Mika HakkinenHAK | Lotus Judd | 1:18.947 |
| 29 | 35 | Eric van de PoeleVAN | Lambo Lamborghini | 1:20.411 |
| 30 | 34 | Nicola LariniLAR | Lambo Lamborghini | 1:21.612 |