Fuel consumption: 7 of 7 variants rated.
Smart roadster 74kW Brabus tops the Smart roadster ranking by Fuel consumption, at 5.3 l/100km (53.3 mpg UK · 44.4 mpg US).
Across 7 ranked variants, Fuel consumption spans from 4.9 l/100km (57.6 mpg UK · 48.0 mpg US) to 5.3 l/100km (53.3 mpg UK · 44.4 mpg US).
| # | Variant | Year | Body | Fuel | Fuel consumption |
|---|---|---|---|---|---|
| 1 | Smart roadster 74kW Brabus | 2004 | Convertible | Petrol | 5.3 l/100km (53.3 mpg UK · 44.4 mpg US) |
| 2 | Smart roadster-coupé 74kW Brabus | 2004 | Convertible | Petrol | 5.3 l/100km (53.3 mpg UK · 44.4 mpg US) |
| 3 | Smart roadster 60kW Affection | 2004 | Convertible | Petrol | 5.1 l/100km (55.4 mpg UK · 46.1 mpg US) |
| 4 | Smart roadster 45kW | 2003 | Convertible | Petrol | 5.1 l/100km (55.4 mpg UK · 46.1 mpg US) |
| 5 | Smart roadster 60kW | 2003 | Convertible | Petrol | 5.1 l/100km (55.4 mpg UK · 46.1 mpg US) |
| 6 | Smart roadster-coupé 60kW | 2003 | Convertible | Petrol | 5.1 l/100km (55.4 mpg UK · 46.1 mpg US) |
| 7 | Smart roadster 45kW | 2003 | Convertible | Petrol | 4.9 l/100km (57.6 mpg UK · 48.0 mpg US) |