Smart M 281.920, Engine
| Engine capacity | 999 cm³ |
| Maximum power (range), hp | 60 - 71 |
| Maximum torque, N*m (kg*m) at rpm. | 91 (9) / 2850 |
| Fuel used | Gasoline AI-95 |
| Fuel consumption, l/100 km | 4.7 |
| Engine type | In-line, 3-cylinder |
| Maximum power, hp (kW) at rpm | 60 (44) / 6000 |
| Compression Ratio (Range) | 10.5 |
| Cylinder diameter (range), mm | 72.2 |
| Piston stroke (range), mm | 81.3 |
| CO₂ emissions (range), g/km | 93 - 108 |
| Number of valves per cylinder (range) | 4 |
| Start-stop system |