2021 Audi RS6 Avant 4.0 TFSI V8 Carbon Black
Price: £73,995. Fair price: £2,021 (2%) under the AskCar estimate of £76,016, our expected asking price for this car from its model, age, mileage and specification, drawing on 271 priced Audi RS6 Avant adverts on AskCar as of 7 November 2026.
AskCar lists 279 used Audi RS6 Avant from 205 UK dealerships, as of 7 November 2026.
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: 31,000 miles
- Fuel: Petrol
- Body: Estate, 5 doors, 4 seats
- Engine: 4.0 litres, 592 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Audi RS6 Avant Carbon Black is advertised with 31,000 miles, approximately 7,000 below the typical mileage for its age. Its asking price of £73,995 is £2,021 below the AskCar estimate of £76,016. The AskCar estimate uses 271 UK dealer adverts for the Audi RS6 Avant, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 35 days. It is advertised by Southern Prestige Cars in Crawley. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £2,021 (2%) under the AskCar estimate of £76,016.
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 271 priced Audi RS6 Avant adverts across different ages and specifications, as of 7 November 2026.
A 2021 Audi RS6 Avant with the 4.0 petrol engine is typically advertised at £72,000: the median of the 40 for sale on AskCar, as of 7 November 2026.
Time on sale
This 2021 Audi RS6 Avant has been on sale for at least 35 days.
Price history
AskCar first saw this advert on 3 October 2026 at £73,995. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 7,000 miles lower 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 7 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey. Mileage: 34,445 miles. Price: £71,990, £2,005 less than this car. Dealer: Leigh Cars in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-efb28a9efbd0
- 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, black. Mileage: 38,000 miles. Price: £71,995, £2,000 less than this car. Dealer: V G Performance Cars in Andover. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-10d4d08de1c2
- 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey. Mileage: 39,965 miles. Price: £77,895, £3,900 more than this car. Dealer: Redline Specialist Cars in Knaresborough. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-ac1bf83eda69
- The nearest: 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey, 31 miles from this car. Mileage: 55,000 miles. Price: £64,995, £9,000 less than this car. Dealer: Cult Automotive in Robertsbridge. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-3433aa9e1069
Browse all Audi RS6 Avant cars for sale · 2021 Audi RS6 Avant price guide
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Photos
27 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.