| Constructor | Chassis | Engine | Driver |
|---|---|---|---|
| W196 | Mercedes M196 2.5 L8 | ||
| 625 555 D50 |
Ferrari 555 2.5 L4 Lancia DS50 2.5 V8 |
||
| 250F | Maserati 250F1 2.5 L6 | ||
| A6GCM | Maserati 250F1 2.5 L6 | ||
| D50 | Lancia DS50 2.5 V8 | ||
| T16 | Gordini 23 2.5 L66 | ||
| 250F | Maserati 250F1 2.5 L6 | ||
| VW 55 | Vanwall 254 2.5 L4 | ||
| 250F | Maserati 250F1 2.5 L6 | ||
| 53 | Alta GP 2.5 L4 | ||
| 625 | Ferrari 625 2.5 L4 | ||
| 250F | Maserati 250F1 2.5 L6 | ||
| B | Alta GP 2.5 L4 | ||
| B | Alta GP 2.5 L4 | ||
| B | Alta GP 2.5 L4 | ||
| T40 | Bristol BS1 2.0 L6 | ||
| 250F | Maserati 250F1 2.5 L6 | ||
| 250F | Maserati 250F1 2.5 L6 | ||
| F1 | Maserati 4CLT 2.5 L4 |