2020 Audi RS6 Avant 4.0 TFSI V8 Carbon Black
Price: £71,499. Fair price: £1,585 (2%) over the AskCar estimate of £69,914, 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 9 November 2026.
AskCar lists 279 used Audi RS6 Avant from 203 UK dealerships, as of 9 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: 2020
- Mileage: 36,500 miles
- Fuel: Petrol
- Body: Estate, 5 doors, 4 seats
- Engine: 4.0 litres, 592 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Colour: Black
- CO2: 295 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 36,500 miles on the clock, this 2020 Audi RS6 Avant Carbon Black has done roughly 8,500 fewer miles than a typical 2020 Audi RS6 Avant. The AskCar estimate for this car is £69,914. It is priced at £71,499, which is £1,585 above that estimate. The AskCar estimate draws on 271 Audi RS6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 91 days ago, and its asking price has since fallen by £1,000. Its advertised mileage matches the government's MOT record. The seller is Dynamic Cars, based in Dunstable. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Price
Fair price: £1,585 (2%) over the AskCar estimate of £69,914.
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 9 November 2026.
A 2020 Audi RS6 Avant with the 4.0 petrol engine is typically advertised at £70,000: the median of the 49 for sale on AskCar, as of 9 November 2026.
Time on sale
This 2020 Audi RS6 Avant has been on sale for at least 91 days.
Price history
AskCar first saw this advert on 10 August 2026 at £72,499. Its asking price is now £71,499, £1,000 less. The latest price cut was seen on 23 September 2026.
Price changes recorded:
- 10 August 2026: £72,499
- 5 September 2026: £71,999
- 23 September 2026: £71,499
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 12 January 2027.
It failed its MOT on 22 December 2025 (exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits; exhaust carbon monoxide content at idle exceeds manufacturer's specified limits; windscreen damaged but not adversely affecting driver's view) and passed 22 days later, on 13 January 2026.
There were no advisories at the latest test.
Mileage at that test: 30,301 miles, which matches the advertised 36,500 miles.
Advertised mileage is about 8,500 miles lower than the median mileage of a 2020 Audi RS6 Avant on AskCar.
Similar cars
5 other 2020 Audi RS6 Avant Carbon Black 4.0 petrol automatic estates are for sale at UK dealers, from £57,500 to £74,950, as of 9 November 2026.
The 3 closest to this car in mileage:
- 2020 Audi RS6 Avant Carbon Black, 4.0 petrol estate, blue. Mileage: 36,500 miles. Price: £69,995, £1,504 less than this car. Dealer: Sharman Group in Manchester. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2020-929ac3cebfff
- 2020 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey. Mileage: 39,000 miles. Price: £68,990, £2,509 less than this car. Dealer: Yorkshire's Prestige Centre in Bradford. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2020-27963d7786a3
- 2020 Audi RS6 Avant Carbon Black, 4.0 petrol estate, black. Mileage: 24,420 miles. Price: £74,950, £3,451 more than this car. Dealer: Hamilton Grays in Loughborough. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2020-a1beef51c52b
Browse all Audi RS6 Avant cars for sale · 2020 Audi RS6 Avant price guide
More like this
Photos
40 photos of this car are on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.