A swirly-camouflaged Audi S7 (or perhaps RS7) is making the rounds in Ingolstadt. Rumors have the S7 getting a new twin-turbo 4.0-liter V8 with the RS7 sporting the 5.2-liter V10. Power figures range from 400hp to a stonkin' 580hp. [CarMagazine] »8/19/10 12:00pm 8/19/10 12:00pm
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