Subaru KF-VE, Engine
| Engine capacity | 658 cm³ |
| Maximum power (range), hp | 45 - 58 |
| Maximum torque, N*m (kg*m) at rpm. | 53 (5) / 4000 |
| Fuel used | Natural gas |
| Fuel consumption, l/100 km | 3.9 - 6.8 |
| Engine type | In-line, 3-cylinder |
| Maximum power, hp (kW) at rpm | 45 (33) / 7200 |
| Mechanism for changing cylinder volume | |
| Valve drive | DOHC |
| Start-stop system |