The Smart roadster (2003-2006) was offered with 4 distinct engine configurations across its trim range.
| Engine | Power | Torque | Transmission | Drive | Top speed | 0-100 km/h | Consumption | Available on |
|---|---|---|---|---|---|---|---|---|
| 0.7L Petrol | 100 hp | 130 Nm | Automatic | Rear Wheel Drive | 190 km/h | 9.8 s | 5.3 l/100km | 1 trim |
| 0.7L Petrol | 82 hp | 110 Nm | Automatic | Rear Wheel Drive | 175 km/h | 10.9 s | 5.1 l/100km | 2 trims |
| 0.7L Petrol | 62 hp | 95 Nm | Automatic | Rear Wheel Drive | 160 km/h | 15.5 s | 5.1 l/100km | 1 trim |
| 0.7L Petrol | 62 hp | 95 Nm | Manual | Rear Wheel Drive | 160 km/h | 15.5 s | 4.9 l/100km | 1 trim |
Each row is a distinct mechanical configuration — engine size, power output, transmission, drivetrain and fuel type — deduplicated across equipment trims that share the same engine. Trim-only differences (interior, wheels, options) do not create a separate row.