Real MPG: Citroen C6 (2005 - 2012)
It looks and drives like a big Citroen should - idiomatic, smooth and very hushed. Plenty of high-tech gadgets. Excellent crash safety ratings.
German rivals hold their value better.
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 2.2 HDi | 42.8 mpg | - | 35.8 mpg | 84% | |
| 2.7 HDi V6 | 32.5 mpg | - | 33.2 mpg | 102% | |
| 3.0 HDi V6 Automatic | 38.7 mpg | - | 36.1 mpg | 93% | |
| 3.0i V6 | 25.2 mpg | - | - | - |
Read the Honest John review...
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Citroen C6 (2005 - 2012)
It looks and drives like a big Citroen should - idiomatic, smooth and very hushed. Plenty of high-tech gadgets. Excellent crash safety ratings.
Rivals
| Citroen C6 (2005 - 2012) | 34.6 | avg mpg |
| Mercedes-Benz E-Class (2016 - 2023) | 48.8 | avg mpg |
| BMW 3 Series (2019 on) | 46.9 | avg mpg |
| BYD Seal (2024 on) | 0.0 | avg mpg |
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