Real MPG: Smart Fortwo Cabriolet (2016 - 2019) 1.0 Automatic
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                                54.3–68.9
                            
                            Official MPG(NEDC)
                                    54.6
                                
                                Official MPG(WLTP)
40.0–49.9                            
                            Real MPG
                        
                                45.0
                            
                            Real MPGAverage
                                    73%
                                
                                of Official MPG(NEDC)
                                    82%
                                
                                of Official MPG(WLTP)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 0.9 | 52.3–67.3 mpg | - | 53.9 mpg | 90% | |
| 0.9 Automatic | 53.3–68.9 mpg | 44.1 mpg | 52.5 mpg | 119%* | |
| 0.9T 109 Automatic | 61.4–68.9 mpg | - | - | - | |
| 1.0 | 55.4–68.9 mpg | 56.0 mpg | - | -* | 
Read the Honest John review...
Smart Fortwo Cabriolet (2016 - 2019)
                Great around town. Folding fabric roof can be operated at any speed. Simple to drive.
            
        Rivals
| Smart Fortwo Cabriolet (2016 - 2019) | 51.6 | avg mpg | 
| Suzuki Swift (2017 - 2024) | 60.8 | avg mpg | 
| Mazda 2 (2015 - 2025) | 52.7 | avg mpg | 
| Citroen C3 (2017 - 2024) | 46.9 | avg mpg | 

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