JJ Lehto Formula One results at Estoril
| Year | Race # | Start | Finish | Car # | Team | Chassis | Engine | Tyre | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 1991 | 13 | 18 | 24 | 22 | Scuderia Italia SpA | Dallara 191 | Judd GV | Pirelli | Scuderia Italia | 1:16.532 | 14 | 0 | 0 | gearbox | 0 |
| 1992 | 14 | 19 | 15 | 21 | Scuderia Italia SpA | Dallara 192 | Ferrari Type 037 | Goodyear | Scuderia Italia | 1:17.474 | 51 | 0 | 0 | physical | 0 |
| 1993 | 14 | 12 | 7 | 30 | Sauber AG | Sauber C12 | Sauber 2175 | Goodyear | Sauber | 1:14.833 | 69 | 0 | 0 | +2 laps | 0 |
| 1994 | 13 | 14 | 19 | 5 | Mild Seven Benetton Ford | Benetton B194 | Ford ECA Zetec-R | Goodyear | Benetton | 1:22.369 | 60 | 0 | 0 | spun off | 0 |
