Petrol | ||||
| 3.0 V8 Ford-Cosworth DFV | 485 hp / 357kW | Rear Wheel Drive | 1979-1980 | |
| 3.0 V8 Ford-Cosworth DFV (BT49B) | 485 hp / 357kW | Rear Wheel Drive | 1980 | |
| 3.0 V8 Ford-Cosworth DFV (BT49C) | 490 hp / 360kW | Rear Wheel Drive | 1981-1982 | |
| 3.0 V8 Ford-Cosworth DFV (BT49D) | 490 hp / 360kW | Rear Wheel Drive | 1982 | |