Daihatsu EF-VE, Engine
| Engine capacity | 659 cm³ |
| Maximum power (range), hp | 48 - 58 |
| Maximum torque, N*m (kg*m) at rpm. | 57 (6) / 4000 |
| Fuel used | Natural gas |
| Fuel consumption, l/100 km | 3.7 - 7.2 |
| Engine type | In-line, 3-cylinder |
| Additional engine information | DVVT |
| Maximum power, hp (kW) at rpm | 48 (35) / 5900 |
| Compression Ratio (Range) | 10.5 - 11 |
| Cylinder diameter (range), mm | 68 |
| Piston stroke (range), mm | 60.5 - 61 |
| Mechanism for changing cylinder volume | |
| Valve drive | SOHC |
| Number of valves per cylinder (range) | 2 - 4 |
| Start-stop system |