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 ...

That puts it at a staggering $72,300 above the standard RS6 Avant Performance trim ... red, and black livery inspired by the iconic Audi 90 Quattro IMSA GTO race car it is named after.

And in its fourth generation (C8 for mode code geeks), the Audi RS6 - now exclusively ... the £112,045 Performance, the £120,995 Performance Carbon Black and the £129,445 Performance Carbon ...