1955 Formula One season Teams and drivers Teams and drivers

| Entrant | Constructor_ | Chassis | Engine | Tyre | Driver | Rounds |
|---|---|---|---|---|---|---|
| Scuderia Ferrari | Ferrari Lancia | 625 555 D50 | Ferrari 555 2.5 L4 Lancia DS50 2.5 V8 | E | Giuseppe Farina | 1–2, 4, 7 |
| Scuderia Ferrari | Ferrari Lancia | 625 555 D50 | Ferrari 555 2.5 L4 Lancia DS50 2.5 V8 | E | Umberto Maglioli | 1, 7 |
| Scuderia Ferrari | Ferrari Lancia | 625 555 D50 | Ferrari 555 2.5 L4 Lancia DS50 2.5 V8 | E | José Froilán González | 1 |
| Scuderia Ferrari | Ferrari Lancia | 625 555 D50 | Ferrari 555 2.5 L4 Lancia DS50 2.5 V8 | E | Maurice Trintignant | 1–2, 4–7 |
| Scuderia Ferrari | Ferrari Lancia | 625 555 D50 | Ferrari 555 2.5 L4 Lancia DS50 2.5 V8 | E | Harry Schell | 2 |
| Scuderia Ferrari | Ferrari Lancia | 625 555 D50 | Ferrari 555 2.5 L4 Lancia DS50 2.5 V8 | E | Piero Taruffi | 2 |