Lucas' best results as a driver were in sports car racing at the wheel of a Ferrari, winning at Spa-Francorchamps and Montlhéry in 1949. He retired in 1957 after a crash at the Moroccan Grand Prix.
| Year | Entrant | Chassis | Engine | 1 | 2 | 3 | 4 | 5 | 6 | 7 | WDC | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1955 | Equipe Gordini | Gordini Type 32 | Gordini Straight-8 | ARG | MON | 500 | BEL | NED | GBR | ITA Ret | - | 0 |