We previously thought the RS6 may get the Q7's top petrol engine, a 4.2-liter FSI V8 tuned to 500+ horsepower, but it would be strange to give the top A6 model two less cylinders than the S6.
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Battle Of The Hardcore Germans: Audi R8 GT Vs. Audi RS6 Avant GTAudi has been on a ... it's something special, and the RS6 is no different as it boasts incredible performance from its ...
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