Smart OM 660 DE 8 LA, Engine
| Engine capacity | 799 cm³ |
| Maximum power (range), hp | 45 - 54 |
| Maximum torque, N*m (kg*m) at rpm. | 110 (11) / 2500 |
| Fuel used | Diesel fuel |
| Fuel consumption, l/100 km | 3.4 |
| Engine type | In-line, 3-cylinder |
| Additional engine information | Common-rail direct fuel injection |
| Maximum power, hp (kW) at rpm | 45 (33) / 3800 |
| Cylinder diameter (range), mm | 65.5 |
| Piston stroke (range), mm | 79 |
| Supercharger | Turbine |
| CO₂ emissions (range), g/km | 86 - 89 |
| Number of valves per cylinder (range) | 2 |
| Start-stop system |