2021 Audi A6 Avant 2.0 TDI Black Edition

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: 36,461 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A6 Avant Black Edition has covered 36,461 miles, around 15,100 fewer miles than is typical for its age. Priced at £24,999, it is advertised £632 below the AskCar estimate of £25,631. The AskCar estimate draws on 785 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. The government's MOT record matches its advertised mileage. It is for sale at Carherts in Aylesbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £632 (2%) under the AskCar estimate of £25,631.

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

AskCar first saw this 2021 Audi A6 Avant advertised today. 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 5 November 2026 at £24,999. 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 5 November 2026: valid until 28 May 2027.

It has had 3 MOTs. The latest, on 29 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 33,116 miles, which matches the advertised 36,461 miles.

Advertised mileage is about 15,100 miles lower 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: 37,637 miles. Price: £23,500, £1,499 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, black. Mileage: 38,749 miles. Price: £25,498, £499 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, white. Mileage: 33,959 miles. Price: £25,095, £96 more than this car. Dealer: Cars 2 Omoda Jaecoo Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-becaed63ef48

• The nearest: 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, grey, 3 miles from this car. Mileage: 60,800 miles. Price: £22,750, £2,249 less than this car. Dealer: Stratstone Audi Approved Aylesbury in Aylesbury. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-59a37519044b