2021 Audi RS6 Avant 4.0 TFSI V8 Carbon Black

Overview

• Make: Audi
• Model: RS6 Avant
• Trim: Carbon Black
• Version: 4.0 TFSI V8 Carbon Black Tiptronic 4WD Euro 6 (s/s) 5dr (592 bhp)
• Year: 2021
• Mileage: 54,100 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 4 seats
• Engine: 4.0 litres, 592 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 295 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi RS6 Avant Carbon Black is advertised with 54,100 miles, approximately 16,300 above the typical mileage for its age. Priced at £65,995, it is advertised £810 below the AskCar estimate of £66,805. The AskCar estimate draws on 275 Audi RS6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 1 day ago. The government's MOT record matches its advertised mileage. You can find this car at PSF Cars in Macclesfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £810 (1%) under the AskCar estimate of £66,805.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 275 priced Audi RS6 Avant adverts across different ages and specifications, as of 6 November 2026.

A 2021 Audi RS6 Avant with the 4.0 petrol engine is typically advertised at £72,000: the median of the 41 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2021 Audi RS6 Avant advertised 1 day ago.

Price history

AskCar first saw this advert on 5 November 2026 at £65,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 5 July 2027.

It has had 3 MOTs. The latest, on 12 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 47,926 miles, which matches the advertised 54,100 miles.

Advertised mileage is about 16,300 miles higher than the median mileage of a 2021 Audi RS6 Avant on AskCar.

Similar cars

10 other 2021 Audi RS6 Avant Carbon Black 4.0 petrol automatic estates are for sale at UK dealers, from £64,995 to £77,895, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey. Mileage: 55,000 miles. Price: £64,995, £1,000 less than this car. Dealer: Cult Automotive in Robertsbridge. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-3433aa9e1069
• 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, black. Mileage: 60,000 miles. Price: £71,495, £5,500 more than this car. Dealer: My Next Car in Sandy. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-6e23aebd4622
• 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey. Mileage: 47,637 miles. Price: £68,995, £3,000 more than this car. Dealer: John Clark Motor Group in Inverness. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-c548353eae84

• The nearest: 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey, 33 miles from this car. Mileage: 45,000 miles. Price: £69,990, £3,995 more than this car. Dealer: Nation Car Supermarket in Halifax. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-0f42aa2fd1a7