Few modern performance estates have achieved cult status quite like Audi's original RS4 Avant.

Developed by quattro GmbH and built in conjunction with Cosworth, the B5 RS4 took the already capable S4 and transformed it into one of the defining fast estates of the early 2000s.

With flared arches, a twin-turbocharged V6 producing 380bhp from the factory and genuine everyday practicality, it quickly established itself as one of the most desirable performance Audis ever built.

SB is thrilled to be listing this example on the platform, finished in Misano Red, and presenting as an enthusiast-owned car that has clearly benefitted from continued investment throughout its life.

While showing approximately 139,500 miles from new, the accompanying history file demonstrates consistent maintenance, specialist attention and sensible upgrades, making it an appealing proposition for someone seeking a properly sorted RS4 to enjoy rather than simply admire.

Power has been increased courtesy of an M...