the interiors of Audi are simply awesome and way ahead Merc and BMW, have always loved it, but the power band for the S6 is not enough, only 420hp it's just not enough for the money you pay for the car and as it looks like from the recent reviews the car doesn't do very well next to 550i, however for the price i would pay now to get a new S6 i've rather buy the C6 RS6 still under warranty with 20-30k miles or even less...