A Pair of Twin Turbo V-8 for the Four S?s

Audi?s performance quotient takes a big jump as the company lifts the hood on a pair of new twin turbo V-8s powering four new S models.? Debuting at the Frankfurt Motor Show are the new S6, S6 Avant, S7 Sportback and S8 performance models, all which are scheduled to arrive in showrooms in spring 2012….

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