Real MPG: BMW 6 Series (2004 - 2011)
An entertaining car along an open road. The M6 is a phenomenal drive.
Not at home in urban environments. Tyre wear. Rear backrests are very upright.
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 630i | 34.0–35.8 mpg | - | 28.9 mpg | 83% | |
| 630i Automatic | 34.9–36.7 mpg | - | 26.1 mpg | 73% | |
| 635d | 39.2–40.9 mpg | - | 35.3 mpg | 88% | |
| 650i | 22.4 mpg | - | 24.2 mpg | 108% | |
| 650i Automatic | 22.4–26.9 mpg | - | 20.9 mpg | 85% |
Read the Honest John review...
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BMW 6 Series (2004 - 2011)
An entertaining car along an open road. The M6 is a phenomenal drive.
Rivals
| BMW 6 Series (2004 - 2011) | 28.7 | avg mpg |
| Mercedes-Benz SLK (2004 - 2011) | 29.8 | avg mpg |
| Porsche Boxster (2005 - 2012) | 27.6 | avg mpg |
| Mazda MX-5 (2005 - 2015) | 35.1 | avg mpg |
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