1951 Formula One season Teams and drivers Teams and drivers

| Entrant | Constructor_ | Chassis | Engine | Tyre | Driver | Rounds |
|---|---|---|---|---|---|---|
| Scuderia Milano | Maserati - Milano Maserati | 4CLT/50 4CLT/48 | Milano 1.5 L4 s Maserati 4CLT 1.5 L4 s | P | Juan Jover | 8 |
| Joe Kelly | Alta | GP | Alta 1.5 L4 s | D | Joe Kelly | 5 |
| BRM Ltd | BRM | P15 | BRM P15 1.5 V16 s | D | Reg Parnell | 5, 7 |
| BRM Ltd | BRM | P15 | BRM P15 1.5 V16 s | D | Peter Walker | 5 |
| BRM Ltd | BRM | P15 | BRM P15 1.5 V16 s | D | Ken Richardson | 7 |
| BRM Ltd | BRM | P15 | BRM P15 1.5 V16 s | D | Hans Stuck | 7 |
| Bob Gerard | ERA | B | ERA 1.5 L6 s | D | Bob Gerard | 5 |
| Brian Shawe-Taylor | ERA | B | ERA 1.5 L6 s | D | Brian Shawe-Taylor | 5 |