2021 Audi A6 Avant 2.0 TDI Black Edition
Price: £21,995. Fair price: £1,417 (6%) under the AskCar estimate of £23,412, our expected asking price for this car from its model, age, mileage and specification, drawing on 785 priced Audi A6 Avant adverts on AskCar as of 5 November 2026.
AskCar lists 810 used Audi A6 Avant from 596 UK dealerships, as of 5 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: 52,603 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
This 2021 Audi A6 Avant Black Edition has covered 52,603 miles. The dealer is asking £21,995, which is £1,417 below the AskCar estimate of £23,412. To work out the AskCar estimate, we analyse UK dealer adverts for 785 Audi A6 Avant cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 97 days, and its asking price has been cut by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by UK Car Solutions in Westerham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £1,417 (6%) under the AskCar estimate of £23,412.
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 785 priced Audi A6 Avant adverts across different ages and specifications, as of 5 November 2026.
A 2021 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £22,400: the median of the 37 for sale on AskCar, as of 5 November 2026.
Time on sale
The dealer may accept less. This 2021 Audi A6 Avant has been on sale for at least 97 days, and its asking price has been cut by £2,000. About 6 in 10 of 2021 Audi A6 Avant cars are gone from sale within a month of being advertised: 36 of the 63 first advertised between 13 July 2026 and 2 October 2026.
Price history
AskCar first saw this advert on 31 July 2026 at £23,995. Its asking price is now £21,995, £2,000 less. The latest price cut was seen on 30 September 2026.
Price changes recorded:
- 1 August 2026: £23,995
- 5 September 2026: £23,495
- 12 September 2026: £23,395
- 16 September 2026: £22,995
- 22 September 2026: £22,695
- 30 September 2026: £21,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 20 March 2027.
It has had 3 MOTs. The latest, on 20 March 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 47,998 miles, which matches the advertised 52,603 miles.
Advertised mileage is about 1,000 miles higher than the median mileage of a 2021 Audi A6 Avant on AskCar.
Similar cars
15 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 5 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 51,900 miles. Price: £23,799, £1,804 more than this car. Dealer: Sandles Cars in King's Lynn. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-717f2547480a
- 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, black. Mileage: 54,176 miles. Price: £22,386, £391 more than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-2b6e59983993
- 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, silver. Mileage: 51,000 miles. Price: £26,995, £5,000 more than this car. Dealer: Empire Autos NI in Craigavon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-04cdd0c08d13
- The nearest: 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, grey, 19 miles from this car. Mileage: 82,100 miles. Price: £20,000, £1,995 less than this car. Dealer: Quantum Cars in Havering. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-e338467da5dd
Browse all Audi A6 Avant cars for sale · 2021 Audi A6 Avant price guide
More like this
- Used Audi A6 Avant Black Edition prices
- Used Audi A6 Avant for sale under £30,000
- Used diesel Audi A6 Avant for sale
- Used Audi A6 Avant for sale near Sevenoaks
Photos
48 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.