Real MPG: Mazda 6 (2008 - 2012) 2.2 D 163
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                                51.4–52.3
                            
                            Official MPG(NEDC)
36.2–56.0                            
                            Real MPG
                        
                                47.7
                            
                            Real MPGAverage
                                    92%
                                
                                of Official MPG(NEDC)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 1.8 | 36.7–43.5 mpg | - | 38.1 mpg | 95% | |
| 2.0 | 35.3–40.9 mpg | - | 35.8 mpg | 94% | |
| 2.0 Automatic | 36.7–37.2 mpg | - | 30.4 mpg | 82% | |
| 2.0 D | 46.3–50.4 mpg | - | 43.3 mpg | 90% | |
| 2.2 D | 49.6–54.3 mpg | - | 45.5 mpg | 88% | |
| 2.3 | 32.5 mpg | - | 24.1 mpg | 74% | |
| 2.3 DISI Turbo | 27.7 mpg | - | 24.6 mpg | 89% | |
| 2.5 | 34.4–35.3 mpg | - | 31.8 mpg | 91% | 
Read the Honest John review...
Mazda 6 (2008 - 2012)
                Neatly styled, entry-level models a good balance of ride and handling, excellent 2.2-litre diesel engine.
            
        Rivals
| Mazda 6 (2008 - 2012) | 39.6 | avg mpg | 
| Skoda Octavia (2013 - 2020) | 52.2 | avg mpg | 
| Toyota Avensis (2009 - 2015) | 41.5 | avg mpg | 
| Kia Sportage (2010 - 2016) | 38.2 | avg mpg | 

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