High fuel consumption on 2006 S6

DGSdale

Registered User
How long is a piece of string? It's a very difficult question to answer even with some decent information! Tyre pressures? Roof rack? Needs a good service? Brakes binding? MAF? CTS?
BTW - unless your car was sitting around for some time in a dealers before being first registered, then it's a C6
 
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