The Powertrain of the MINI 3 Door are as follow:
| Variants | 2018 MINI 3 Door Cooper | 2018 MINI 3 Door Cooper S | 2018 MINI 3 Door John Cooper Works |
| Capacity (L) | 1.5L | 2.0L | 2.0L |
| Aspiration Form | Turbo | Turbo | Turbo |
| Cylinder Arrangement | Inline | Inline | Inline |
| Number of Cylinders | 3 | 4 | 4 |
| Compression Ratio | 11:1 | 11:1 | 11:1 |
| Valvetrain | DOHC | DOHC | DOHC |
| Timing Type | Chain | Chain | |
| Horsepower (PS) | 138 | 195 | 234 |
| Rpm at Max Hp | 4500 | 5000 | 5200 |
| Torque(Nm) | 220 | 280 | 320 |
| Rpm at Max torque | 1250 | 1350 | 1450 |
| Top Speed (km/h) | 210 | 235 | 246 |
| Fuel | Petrol | Petrol | Petrol |
