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 ...

With a commemorative livery and three-way adjustable dampers, the RS6 GT is a cooler RS6 Performance. I'm not sure what possessed Audi to launch the 621-horsepower, 4,600-pound RS6 Avant GT at the ...