2021 Audi A6 Saloon 2.0 TDI Black Edition

Price: £21,750. Fair price: £274 (1%) over the AskCar estimate of £21,476, our expected asking price for this car from its model, age, mileage and specification, drawing on 858 priced Audi A6 Saloon adverts on AskCar as of 2 November 2026.

AskCar lists 886 used Audi A6 Saloon from 654 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: A6 Saloon
  • Trim: Black Edition
  • Version: 2.0 TDI 40 Black Edition S tronic 4WD Euro 6 (s/s) 4dr (201 bhp)
  • Year: 2021
  • Mileage: 58,000 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 201 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 152 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A6 Saloon Black Edition has covered 58,000 miles. Priced at £21,750, it is advertised £274 above the AskCar estimate of £21,476. The AskCar estimate uses 858 UK dealer adverts for the Audi A6 Saloon, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 82 days ago. Its asking price has since fallen by £245. You can find this car at Cunningham Cars in Belfast. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £274 (1%) over the AskCar estimate of £21,476.

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 858 priced Audi A6 Saloon adverts across different ages and specifications, as of 2 November 2026.

A 2021 Audi A6 Saloon with the 2.0 diesel engine is typically advertised at £18,500: the median of the 80 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi A6 Saloon has been on sale for at least 82 days.

Price history

AskCar first saw this advert on 12 August 2026 at £21,995. Its asking price is now £21,750, £245 less. The latest price cut was seen on 8 October 2026.

Price changes recorded:

  • 12 August 2026: £21,995
  • 8 October 2026: £21,750

Mileage and MOT

Advertised mileage is about 1,000 miles higher than the median mileage of a 2021 Audi A6 Saloon on AskCar.

Similar cars

21 other 2021 Audi A6 Saloon Black Edition 2.0 diesel automatic saloons are for sale at UK dealers, from £14,495 to £25,500, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 Audi A6 Saloon Black Edition, 2.0 diesel saloon, black. Mileage: 58,561 miles. Price: £20,991, £759 less than this car. Dealer: Bridgend Motor Group in Morley. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-6317d61f65a4
  • 2021 Audi A6 Saloon Black Edition, 2.0 diesel saloon, grey. Mileage: 59,540 miles. Price: £19,999, £1,751 less than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-ee11e8c96cee
  • 2021 Audi A6 Saloon Black Edition, 2.0 diesel saloon, white. Mileage: 55,715 miles. Price: £20,998, £752 less than this car. Dealer: Arnold Clark Falkirk Fiat / Abarth in Falkirk. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-5972b375838d
  • The nearest: 2021 Audi A6 Saloon Black Edition, 2.0 diesel saloon, blue, 28 miles from this car. Mileage: 74,317 miles. Price: £21,750, the same price as this car. Dealer: Grange Road Motors in Cookstown. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-9f63ac4d4c5a

Browse all Audi A6 Saloon cars for sale · 2021 Audi A6 Saloon price guide

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Photos

24 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.