2003 Audi RS6 Avant (C5) - 4.2 V8 Bi-Turbo Quattro - Full History - Modern Classic The Parts Hangar Ltd is proud to offer this stunning Audi RS6 Avant C5 one of the original and most iconic high-performance "sleeper" estates ever produced. Developed by Quattro GmbH (now Audi Sport) to rival the BMW E39 M5 and Mercedes E55 AMG, the C5 RS6 combined brutal performance, understated styling, and everyday practicality in a way very few cars have managed since. Powered by the legendary Cosworth-developed 4.2 litre twin-turbocharged V8 producing around 450bhp, paired with Audi's renowned Quattro four-wheel-drive system, this RS6 delivers effortless performance, immense grip, and genuine supercar pace whilst still being practical enough for family or long-distance use. This example has covered 138,000 miles and benefits from a comprehensive full service history with a substantial supporting history file including invoices, receipts, MOT certificates, and maintenance records. The car has clearly been cherished and maintained properly throughout its life, including servicing and work carried out by respected Audi specialists including Victoria Audi London. Vehicle Details: 138,000 miles Full Service History MOT until November 2026 6 previous owners Extensive history file Original RS6 Avant performance estate Rare and increasingly collectible model Cosworth-developed twin-turbo V8 Quattro four-wheel drive Dynamic Ride Control suspension system Huge specification and comfort levels Exceptional long-distance cruiser Appreciating modern classic The C5 RS6 has now firmly established itself as a future classic and values of good, original examples continue to strengthen. Enthusiasts will know how difficult it is to find examples with proper history and evidence of ongoing maintenance, especially at this level. The car presents exceptionally well for its age and mileage and still carries enormous road presence today. The combination of wide arches, understated styling, twin oval exhausts, and subtle RS detailing make this one of the ultimate discreet performance cars. A serious performance car with practicality to match: 0-60 mph in under 5 seconds 155 mph limited top speed Immense V8 soundtrack Comfortable and refined motorway cruiser Capable future investment modern classic The RS6 Avant remains one of the all-time great fast estates and is rapidly becoming recognised as a landmark Audi performance model.