PORTUGUESE GRAND PRIX - OVERALL QUALIFYING
22 Sep 1991
Autódromo do Estoril, Portugal
| Pos. | No. | Driver | Team | Time |
|---|---|---|---|---|
| 1 | 7 | Martin BrundleBRU | Brabham Yamaha | 1:17.739 |
| 1 | 6 | Riccardo PatresePAT | Williams Renault | 1:13.001 |
| 2 | 2 | Gerhard BergerBER | McLaren Honda | 1:13.221 |
| 2 | 8 | Mark BlundellBLU | Brabham Yamaha | 1:17.788 |
| 3 | 1 | Ayrton SennaSEN | McLaren Honda | 1:13.444 |
| 3 | 17 | Gabriele TarquiniTAR | AGS Ford | 1:18.020 |
| 4 | 5 | Nigel MansellMAN | Williams Renault | 1:13.667 |
| 4 | 9 | Michele AlboretoALB | Footwork Porsche | 1:18.371 |
| 5 | 27 | Alain ProstPRO | Ferrari | 1:14.352 |
| 5 | 18 | Fabrizio BarbazzaBAR | AGS Ford | 1:19.292 |
| 6 | 14 | Olivier GrouillardGRO | Fondmetal Ford | 1:19.500 |
| 6 | 28 | Jean AlesiALE | Ferrari | 1:14.852 |
| 7 | 15 | Mauricio GugelminGUG | Leyton House Ilmor | 1:15.266 |
| 7 | 10 | Alex CaffiCAF | Footwork Porsche | 1:19.521 |
| 8 | 31 | Pedro ChavesCHA | Coloni Ford | 1:23.858 |
| 8 | 23 | Pierluigi MartiniMAR | Minardi Ferrari | 1:15.394 |
| 9 | 16 | Ivan CapelliCAP | Leyton House Ilmor | 1:15.481 |
| 10 | 19 | Michael SchumacherMSC | Benetton Ford | 1:15.578 |
| 11 | 20 | Nelson PiquetPIQ | Benetton Ford | 1:15.666 |
| 12 | 4 | Stefano ModenaMOD | Tyrrell Honda | 1:15.707 |
| 13 | 24 | Gianni MorbidelliMOR | Minardi Ferrari | 1:15.749 |
| 14 | 33 | Andrea de CesarisDEC | Jordan Ford | 1:15.936 |
| 16 | 32 | Roberto MorenoMOR | Jordan Ford | 1:16.080 |
| 17 | 21 | Emanuele PirroPIR | Dallara Judd | 1:16.135 |
| 18 | 22 | Jyrki JarvilehtoJAR | Dallara Judd | 1:16.532 |
| 20 | 25 | Thierry BoutsenBOU | Ligier Lamborghini | 1:16.757 |
| 21 | 3 | Satoru NakajimaNAK | Tyrrell Honda | 1:16.926 |
| 22 | 12 | Johnny HerbertHER | Lotus Judd | 1:17.015 |
| 23 | 26 | Erik ComasCOM | Ligier Lamborghini | 1:17.226 |
| 25 | 30 | Aguri SuzukiSUZ | Lola Ford | 1:17.434 |
| 26 | 11 | Mika HakkinenHAK | Lotus Judd | 1:17.714 |
| 27 | 29 | Eric BernardBER | Lola Ford | 1:17.825 |
| 29 | 34 | Nicola LariniLAR | Lambo Lamborghini | 1:18.139 |
| 30 | 35 | Eric van de PoeleVAN | Lambo Lamborghini | 1:18.266 |