2021 Audi A6 Avant 2.0 TDI Black Edition

Price: £17,985. Above the going rate: £2,123 (13%) over the AskCar estimate of £15,862, 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 4WD Euro 6 5dr (201 bhp)
  • Year: 2021
  • Mileage: 113,877 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 201 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A6 Avant Black Edition has covered 113,877 miles, around 62,300 more miles than is typical for its age. The dealer is asking £17,985, which is £2,123 above the AskCar estimate of £15,862. To work out the AskCar estimate, we analyse UK dealer adverts for 774 Audi A6 Avant cars across different ages and specifications. We have tracked this advert for 14 days. You can find this car at South & West Motors in Bath. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,123 (13%) over the AskCar estimate of £15,862.

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 £17,985. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 62,300 miles higher 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 £20,000 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, grey. Mileage: 82,100 miles. Price: £20,000, £2,015 more than this car. Dealer: Quantum Cars in Havering. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-e338467da5dd
  • 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 61,000 miles. Price: £22,999, £5,014 more than this car. Dealer: DRB Car Sales in Tavistock. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-0a80d388f9db
  • 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 60,800 miles. Price: £22,750, £4,765 more than this car. Dealer: Stratstone Audi Approved Aylesbury in Aylesbury. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-59a37519044b
  • The nearest: 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, black, 11 miles from this car. Mileage: 54,176 miles. Price: £22,386, £4,401 more than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-2b6e59983993

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

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Photos

1 photo of this car is 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.