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 whopping 591 hp. If cargo room and enhanced rough-terrain capability are more ...

For luxury car shoppers who like choices, the Audi ... V-6 engine, eight-speed automatic transmission, firmer suspension and upgraded brakes. If that’s not enough, the high-performance RS ...

The Audi RS6 has gone through four different iterations over the years, but it has always consistently delivered two things: gut-punchingly fast four-wheel-drive performance and estate car ...