2009 Audi A6 3.0 TFSI quattro Premium Review (video)

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For years, Audi's 'T' designation stood for 'turbocharged'-- but the German automaker has begun defying its own nomenclature by applying it to cars motivated by a new supercharged V6. Drive one of the resulting vehicles, and you'll have to explain to your friends how a supercharger is technically a belt-driven turbo, and that the Germans use the terms interchangeably. Full story...