2021 Audi RS6 Avant 4.0 TFSI V8 Carbon Black

Price: £71,495. Above the going rate: £6,877 (10%) over the AskCar estimate of £64,618, 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: 60,000 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

At 60,000 miles, this 2021 Audi RS6 Avant Carbon Black has covered about 22,000 more miles than other 2021 Audi RS6 Avant cars. The dealer is asking £71,495, which is £6,877 above the AskCar estimate of £64,618. To work out the AskCar estimate, we analyse UK dealer adverts for 271 Audi RS6 Avant cars across different ages and specifications. We first saw this car advertised 99 days ago. Its asking price has since fallen by £7,500. The government's MOT record matches its advertised mileage. It is advertised by My Next Car in Sandy. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £6,877 (10%) over the AskCar estimate of £64,618.

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 99 days.

Price history

AskCar first saw this advert on 31 July 2026 at £78,995. Its asking price is now £71,495, £7,500 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

  • 31 July 2026: £78,995
  • 20 August 2026: £74,995
  • 17 September 2026: £72,995
  • 3 October 2026: £74,995
  • 16 October 2026: £71,995
  • 20 October 2026: £69,995
  • 28 October 2026: £71,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 22 January 2027.

It has had 2 MOTs. The latest, on 23 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 55,071 miles, which matches the advertised 60,000 miles.

Advertised mileage is about 22,000 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 7 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, £6,500 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, grey. Mileage: 54,100 miles. Price: £65,995, £5,500 less than this car. Dealer: PSF Cars in Macclesfield. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-d5264c6e89b3
  • 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey. Mileage: 47,637 miles. Price: £68,995, £2,500 less 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, 58 miles from this car. Mileage: 34,445 miles. Price: £71,990, £495 more than this car. Dealer: Leigh Cars in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-efb28a9efbd0

Browse all Audi RS6 Avant cars for sale · 2021 Audi RS6 Avant price guide

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Photos

10 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.