4. GRAN PREMIO DI SAN MARINO - FASTEST LAPS
06 May 1984
Autodromo Internazionale Enzo e Dino Ferrari, San Marino
| Pos. | No. | Driver | Team | Lap | Time |
|---|---|---|---|---|---|
| 1 | 1 | Nelson PiquetPIQ | Brabham BMW | 48 | 1:33.275 |
| 2 | 28 | Rene ArnouxARN | Ferrari | 44 | 1:33.373 |
| 3 | 7 | Alain ProstPRO | McLaren TAG | 50 | 1:33.580 |
| 4 | 26 | Andrea de CesarisDEC | Ligier Renault | 55 | 1:34.415 |
| 5 | 11 | Elio de AngelisDEA | Lotus Renault | 54 | 1:34.525 |
| 6 | 8 | Niki LaudaLAU | McLaren TAG | 11 | 1:34.686 |
| 7 | 2 | Teo FabiFAB | Brabham BMW | 44 | 1:35.534 |
| 8 | 23 | Eddie CheeverCHE | Alfa Romeo | 27 | 1:35.849 |
| 9 | 16 | Derek WarwickWAR | Renault | 12 | 1:36.000 |
| 10 | 27 | Michele AlboretoALB | Ferrari | 20 | 1:36.053 |
| 11 | 17 | Marc SurerSUR | Arrows BMW | 25 | 1:37.089 |
| 12 | 14 | Manfred WinkelhockWIN | ATS BMW | 11 | 1:37.319 |
| 13 | 10 | Jonathan PalmerPAL | RAM Hart | 44 | 1:37.472 |
| 14 | 9 | Philippe AlliotALL | RAM Hart | 47 | 1:38.199 |
| 15 | 20 | Johnny CecottoCEC | Toleman Hart | 52 | 1:38.208 |
| 16 | 5 | Jacques LaffiteLAF | Williams Honda | 11 | 1:38.517 |
| 17 | 22 | Riccardo PatresePAT | Alfa Romeo | 3 | 1:39.389 |
| 18 | 21 | Mauro BaldiBAL | Spirit Ford | 46 | 1:39.404 |
| 19 | 18 | Thierry BoutsenBOU | Arrows BMW | 52 | 1:39.430 |
| 20 | 6 | Keke RosbergROS | Williams Honda | 2 | 1:39.769 |
| 21 | 30 | Jo GartnerGAR | Osella Alfa Romeo | 41 | 1:40.949 |
| 22 | 12 | Nigel MansellMAN | Lotus Renault | 2 | 1:41.622 |