1981 season/ Round 4
San Marino Grand Prix
Autodromo Enzo e Dino Ferrari, Imola, Italy. Sun, 3 May 1981. 60 laps.
Italy- Winner
- BRPIQBrabham
- Pole
VILFerrari- Fastest lap
- VIL1:48.064
Weekend
Race
- Riccardo PatreseARArrows+4.5802
- Nelson PiquetBRBrabham1:51:23.9701
- Carlos Reutemann
Williams+6.3403
Overtakes
–
No overtake data
Biggest mover
ENSUR
+12 places, P21 to P9
Beat our forecast
–
No forecast for this race
Fastest Pit Stop
–
No pit stop data
Fastest lap
VIL
1:48.064, lap 46
DNFs
14
JAB, SAL, ALB, GAB, GIA, CHE, AND, ROS, LAF, PRO, GUE, LAM, DE , MAN
| Pos | Driver | Team | Grid | Time / status | Pts |
|---|---|---|---|---|---|
| 1 | BRPIQ | BRBrabham | 5+4 | 1:51:23.970 | 9 |
| 2 | ARPAT | ARArrows | 9+7 | +4.580 | 6 |
| 3 | REU | Williams | 2-1 | +6.340 | 4 |
| 4 | BRREB | BRBrabham | 13+9 | +22.890 | 3 |
| 5 | PIR | Ferrari | 6+1 | +25.870 | 2 |
| 6 |  DE | McLaren | 14+8 | +1:06.610 | 1 |
| 7 | VIL | Ferrari | 1-6 | +1:41.970 | |
| 8 | REARN | RERenault | 3-5 | +1 Lap | |
| 9 | ENSUR | ENEnsign | 21+12 | +1 Lap | |
| 10 | WAT | McLaren | 7-3 | +2 Laps | |
| 11 | THTAM | THTheodore | 16+5 | +2 Laps | |
| 12 | JON | Williams | 8-4 | +2 Laps | |
| 13 | ATBOR | ATATS | 24+11 | +3 Laps | |
| DNF | LIJAB | LILigier | 18 | Not classified | |
| DNF | MASAL | MAMarch | 23 | Spun off | |
| DNF | TYALB | TYTyrrell | 17 | Collision | |
| DNF | OSGAB | OSOsella | 20 | Collision | |
| DNF | ARGIA | ARAlfa Romeo | 11 | Collision | |
| DNF | TYCHE | TYTyrrell | 19 | Collision | |
| DNF | ARAND | ARAlfa Romeo | 12 | Gearbox | |
| DNF | FIROS | FIFittipaldi | 15 | Engine | |
| DNF | LILAF | LILigier | 10 | Suspension | |
| DNF | REPRO | RERenault | 4 | Gearbox | |
| DNF | OSGUE | OSOsella | 22 | Accident | |
| DNF | ATLAM | ATATS | PL | Retired | |
| DNS | LODE | LOTeam Lotus | PL | Withdrew | |
| DNS | LOMAN | LOTeam Lotus | PL | Withdrew |
Fastest laps
| Rank | Driver | Time | Gap |
|---|---|---|---|
| 1 | Gilles Villeneuve | 1:48.064 |