If you’re a car shopper with a need for speed, the S6 is fitted with a 444-hp, turbo 2.9-liter V-6, while the performance RS 6 Avant wagon employs a twin-turbo 4.0-liter V-8 that delivers a ...
Showing the 2023 Audi RS 6 Avant 4.0 TFSI quattro $240 Starting MSRP $2,250 Starting MSRP $2,250 Starting MSRP $345 Starting MSRP $6,350 ...
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