SAN MARINO GRAND PRIX - FASTEST LAPS
13 May 1990
Autodromo Internazionale Enzo e Dino Ferrari, San Marino
| Pos. | No. | Driver | Team | Lap | Time |
|---|---|---|---|---|---|
| 1 | 19 | Alessandro NanniniNAN | Benetton Ford | 60 | 1:27.156 |
| 2 | 1 | Alain ProstPRO | Ferrari | 56 | 1:27.164 |
| 3 | 6 | Riccardo PatresePAT | Williams Renault | 42 | 1:27.475 |
| 4 | 2 | Nigel MansellMAN | Ferrari | 38 | 1:27.626 |
| 5 | 28 | Gerhard BergerBER | McLaren Honda | 48 | 1:27.636 |
| 6 | 20 | Nelson PiquetPIQ | Benetton Ford | 37 | 1:28.558 |
| 7 | 5 | Thierry BoutsenBOU | Williams Renault | 14 | 1:28.840 |
| 8 | 4 | Jean AlesiALE | Tyrrell Ford | 46 | 1:29.144 |
| 9 | 12 | Martin DonnellyDON | Lotus Lamborghini | 58 | 1:29.527 |
| 10 | 29 | Eric BernardBER | Lola Lamborghini | 34 | 1:29.731 |
| 11 | 26 | Philippe AlliotALL | Ligier Ford | 44 | 1:29.813 |
| 12 | 11 | Derek WarwickWAR | Lotus Lamborghini | 56 | 1:29.829 |
| 13 | 25 | Nicola LariniLAR | Ligier Ford | 55 | 1:30.461 |
| 14 | 27 | Ayrton SennaSEN | McLaren Honda | 3 | 1:30.615 |
| 15 | 24 | Paolo BarillaBAR | Minardi Ford | 55 | 1:30.848 |
| 16 | 30 | Aguri SuzukiSUZ | Lola Lamborghini | 14 | 1:31.136 |
| 17 | 36 | Jyrki JarvilehtoJAR | Onyx Ford | 35 | 1:31.374 |
| 18 | 8 | Stefano ModenaMOD | Brabham Judd | 21 | 1:31.661 |
| 19 | 35 | Gregor FoitekFOI | Onyx Ford | 34 | 1:31.964 |
| 20 | 14 | Olivier GrouillardGRO | Osella Ford | 52 | 1:32.011 |
| 21 | 22 | Andrea de CesarisDEC | Dallara Ford | 21 | 1:32.125 |
| 22 | 15 | Mauricio GugelminGUG | Leyton House Judd | 9 | 1:32.547 |
| 23 | 21 | Emanuele PirroPIR | Dallara Ford | 2 | 1:34.266 |