2021 Audi A6 Avant 2.0 TDI Black Edition
Price: £23,714. Fair price: £1,268 (5%) under the AskCar estimate of £24,982, our expected asking price for this car from its model, age, mileage and specification, drawing on 774 priced Audi A6 Avant adverts on AskCar as of 4 November 2026.
AskCar lists 794 used Audi A6 Avant from 586 UK dealerships, as of 4 November 2026.
Overview
- Make: Audi
- Model: A6 Avant
- Trim: Black Edition
- Version: 2.0 TDI Black Edition S tronic FWD Euro 6 5dr (201 bhp)
- Year: 2021
- Mileage: 41,655 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 201 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: White
- CO2: 154 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 41,655 miles on the clock, this 2021 Audi A6 Avant Black Edition has done roughly 10,000 fewer miles than a typical 2021 Audi A6 Avant. Its asking price of £23,714 is £1,268 below the AskCar estimate of £24,982. The AskCar estimate draws on 774 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 14 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Preston Ramsey Cars, based in Stockton-on-Tees. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £1,268 (5%) under the AskCar estimate of £24,982.
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 774 priced Audi A6 Avant adverts across different ages and specifications, as of 4 November 2026.
A 2021 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £22,400: the median of the 35 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2021 Audi A6 Avant has been on sale for at least 14 days.
Price history
AskCar first saw this advert on 21 October 2026 at £23,714. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 2 August 2027.
It has had 3 MOTs. The latest, on 15 July 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 40,396 miles, which matches the advertised 41,655 miles.
Advertised mileage is about 10,000 miles lower than the median mileage of a 2021 Audi A6 Avant on AskCar.
Similar cars
14 other 2021 Audi A6 Avant Black Edition 2.0 diesel automatic estates are for sale at UK dealers, from £17,985 to £26,995, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, black. Mileage: 38,749 miles. Price: £25,498, £1,784 more than this car. Dealer: Arnold Clark Dundee Kia in Dundee. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-a8721c0cae9b
- 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 37,637 miles. Price: £23,500, £214 less than this car. Dealer: Uniche Motor Company in Detling. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-54ad59bc0045
- 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, white. Mileage: 33,959 miles. Price: £25,095, £1,381 more than this car. Dealer: Cars 2 Omoda Jaecoo Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-becaed63ef48
Browse all Audi A6 Avant cars for sale · 2021 Audi A6 Avant price guide
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Photos
67 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.