SAN MARINO GRAND PRIX - PRACTICE 1
28 Apr 1991
Autodromo Internazionale Enzo e Dino Ferrari, San Marino
| Pos. | No. | Driver | Team | Time / Gap |
|---|---|---|---|---|
| 1 | 1 | Ayrton SennaSEN | McLaren Honda | 1:22.701 |
| 2 | 2 | Gerhard BergerBER | McLaren Honda | +0.641s |
| 3 | 27 | Alain ProstPRO | Ferrari | +0.809s |
| 4 | 6 | Riccardo PatresePAT | Williams Renault | +1.103s |
| 5 | 28 | Jean AlesiALE | Ferrari | +1.235s |
| 6 | 5 | Nigel MansellMAN | Williams Renault | +1.453s |
| 7 | 4 | Stefano ModenaMOD | Tyrrell Honda | +2.753s |
| 8 | 23 | Pierluigi MartiniMAR | Minardi Ferrari | +3.248s |
| 9 | 22 | Jyrki JarvilehtoJAR | Dallara Judd | +3.394s |
| 10 | 33 | Andrea de CesarisDEC | Jordan Ford | +3.492s |
| 11 | 30 | Aguri SuzukiSUZ | Lola Ford | +3.578s |
| 12 | 24 | Gianni MorbidelliMOR | Minardi Ferrari | +3.726s |
| 13 | 15 | Mauricio GugelminGUG | Leyton House Ilmor | +3.883s |
| 14 | 16 | Ivan CapelliCAP | Leyton House Ilmor | +4.022s |
| 15 | 7 | Martin BrundleBRU | Brabham Yamaha | +4.051s |
| 16 | 29 | Eric BernardBER | Lola Ford | +4.140s |
| 17 | 32 | Bertrand GachotGAC | Jordan Ford | +4.391s |
| 18 | 26 | Erik ComasCOM | Ligier Lamborghini | +4.494s |
| 19 | 35 | Eric van de PoeleVAN | Lambo Lamborghini | +4.709s |
| 20 | 8 | Mark BlundellBLU | Brabham Yamaha | +4.788s |
| 21 | 25 | Thierry BoutsenBOU | Ligier Lamborghini | +4.889s |
| 22 | 19 | Roberto MorenoMOR | Benetton Ford | +5.184s |
| 23 | 17 | Gabriele TarquiniTAR | AGS Ford | +5.241s |
| 24 | 20 | Nelson PiquetPIQ | Benetton Ford | +5.251s |
| 25 | 12 | Julian BaileyBAI | Lotus Judd | +5.985s |
| 26 | 11 | Mika HakkinenHAK | Lotus Judd | +6.347s |
| 27 | 18 | Fabrizio BarbazzaBAR | AGS Ford | +7.857s |
| 28 | 9 | Michele AlboretoALB | Footwork Porsche | +10.066s |
| 29 | 3 | Satoru NakajimaNAK | Tyrrell Honda | +13.987s |
| 30 | 10 | Alex CaffiCAF | Footwork Porsche | +15.613s |