Alex Caffi Formula One results at Estoril
| Year | Race # | Start | Finish | Car # | Team | Chassis | Engine | Tyre | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 1987 | 12 | 25 | 21 | 21 | Osella Squadra Corse | Osella FA1I | Alfa Romeo 890T | Goodyear | Osella | 1:24.792 | 27 | 0 | 0 | turbo | 0 |
| 1988 | 13 | 17 | 7 | 36 | Scuderia Italia | Dallara BMS-F188 | Ford Cosworth DFZ | Goodyear | Scuderia Italia | 1:20.922 | 69 | 0 | 0 | +1 lap | 0 |
| 1989 | 13 | 7 | 21 | 21 | Scuderia Italia | Dallara F189 | Ford DFR | Pirelli | Scuderia Italia | 1:17.661 | 33 | 0 | 0 | collision | 0 |
| 1990 | 13 | 17 | 13 | 10 | Footwork Arrows Racing | Arrows A11 | Ford DFR | Goodyear | Arrows | 1:16.946 | 58 | 0 | 0 | accident (classified) | 0 |
