1984 Formula One season Drivers and constructors Drivers and constructors

| Entrant | Constructor_ | Chassis | Engine | Tyres | Driver | Rounds |
|---|---|---|---|---|---|---|
| Toleman Group Motorsport | Toleman - Hart | TG183B TG184 | Hart 415T 1.5 L4 t | P | Pierluigi Martini | 14 |
| Spirit Racing | Spirit - Hart | 101B 101C | Hart 415T 1.5 L4 t | P | Mauro Baldi | 1-6, 15-16 |
| Spirit Racing | Spirit - Hart | 101B 101C | Hart 415T 1.5 L4 t | P | Huub Rothengatter | 7, 9-14 |
| Spirit Racing | Spirit - Ford | 101C | Ford Cosworth DFV 3.0 V8 | P | Huub Rothengatter | 8 |
| Benetton Team Alfa Romeo | Alfa Romeo | 184T | Alfa Romeo 890T 1.5 V8 t | G | Riccardo Patrese | All |
| Benetton Team Alfa Romeo | Alfa Romeo | 184T | Alfa Romeo 890T 1.5 V8 t | G | Eddie Cheever | All |