2020 Audi RS6 Avant 4.0 TFSI V8 Carbon Black

Price: £68,990. Fair price: £53 (under 1%) over the AskCar estimate of £68,937, 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: 39,000 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 4 seats
  • Engine: 4.0 litres, 592 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: Grey
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 39,000 miles on the clock, this 2020 Audi RS6 Avant Carbon Black has done roughly 6,000 fewer miles than a typical 2020 Audi RS6 Avant. The AskCar estimate for this car is £68,937. It is priced at £68,990, which is £53 above that estimate. The AskCar estimate uses 271 UK dealer adverts for the Audi RS6 Avant, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 165 days ago, the asking price has dropped by £1,000. You can find this car at Yorkshire's Prestige Centre in Bradford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £53 (under 1%) over the AskCar estimate of £68,937.

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 165 days.

Price history

AskCar first saw this advert on 28 May 2026 at £69,990. Its asking price is now £68,990, £1,000 less. The latest price cut was seen on 27 September 2026.

Price changes recorded:

  • 28 May 2026: £69,990
  • 27 September 2026: £68,990

Mileage and MOT

Advertised mileage is about 6,000 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, £1,005 more 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, black. Mileage: 36,500 miles. Price: £71,499, £2,509 more than this car. Dealer: Dynamic Cars in Dunstable. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2020-95254578cbda
  • 2020 Audi RS6 Avant Carbon Black, 4.0 petrol estate, black. Mileage: 24,420 miles. Price: £74,950, £5,960 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

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Photos

56 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.