1984 Formula One season Drivers and constructors Drivers and constructors

| Entrant | Constructor_ | Chassis | Engine | Tyres | Driver | Rounds |
|---|---|---|---|---|---|---|
| Barclay Nordica Arrows BMW | Arrows - BMW | A7 | BMW M12 /13 1.5 L4 t | G | Marc Surer | 4, 6, 9-16 |
| Barclay Nordica Arrows BMW | Arrows - BMW | A7 | BMW M12 /13 1.5 L4 t | G | Thierry Boutsen | 3, 5-16 |
| Toleman Group Motorsport | Toleman - Hart | TG183B TG184 | Hart 415T 1.5 L4 t | P | Ayrton Senna | 1-13, 15-16 |
| Toleman Group Motorsport | Toleman - Hart | TG183B TG184 | Hart 415T 1.5 L4 t | P | Stefan Johansson | 14 |
| Toleman Group Motorsport | Toleman - Hart | TG183B TG184 | Hart 415T 1.5 L4 t | P | Stefan Johansson | 15-16 |
| Toleman Group Motorsport | Toleman - Hart | TG183B TG184 | Hart 415T 1.5 L4 t | P | Johnny Cecotto | 1-10 |