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 | - | 35.3 mpg | 82% | |
| 2.7 HDi V6 | 32.5 mpg | - | 32.8 mpg | 101% | |
| 3.0 HDi V6 Automatic | 38.7 mpg | - | 36.0 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) | 34.2 | avg mpg |
| Subaru Legacy/Outback (2004 - 2009) | 31.2 | avg mpg |
| Volkswagen Passat (2005 - 2011) | 47.2 | avg mpg |
| Peugeot 407 (2004 - 2011) | 44.8 | avg mpg |
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