2021 Audi A4 Avant 2.0 TDI Black Edition

Price: £23,999. Fair price: £238 (under 1%) under the AskCar estimate of £24,237, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,256 priced Audi A4 Avant adverts on AskCar as of 6 November 2026.

AskCar lists 1,308 used Audi A4 Avant from 861 UK dealerships, as of 6 November 2026.

Overview

  • Make: Audi
  • Model: A4 Avant
  • Trim: Black Edition
  • Version: 2.0 TDI 40 Black Edition S tronic 4WD Euro 6 (s/s) 5dr (201 bhp)
  • Year: 2021
  • Mileage: 46,000 miles
  • Fuel: Diesel, mild hybrid
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 201 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 157 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 46,000 miles on the clock, this 2021 Audi A4 Avant Black Edition has done roughly 12,000 fewer miles than a typical 2021 Audi A4 Avant. Its asking price of £23,999 is £238 below the AskCar estimate of £24,237. To work out the AskCar estimate, we analyse UK dealer adverts for 1,256 Audi A4 Avant cars across different ages and specifications. Since we first spotted the advert 87 days ago, the asking price has dropped by £1,000. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Heston Automotive in Hayes. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £238 (under 1%) under the AskCar estimate of £24,237.

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 1,256 priced Audi A4 Avant adverts across different ages and specifications, as of 6 November 2026.

A 2021 Audi A4 Avant with the 2.0 diesel engine is typically advertised at £18,400: the median of the 95 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 Audi A4 Avant has been on sale for at least 87 days.

Price history

AskCar first saw this advert on 11 August 2026 at £24,999. Its asking price is now £23,999, £1,000 less. The latest price cut was seen on 19 October 2026.

Price changes recorded:

  • 11 August 2026: £24,999
  • 10 October 2026: £24,499
  • 19 October 2026: £23,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 24 July 2027.

It has had 4 MOTs. The latest, on 9 July 2026, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge 245/35R19Y nexen.

Mileage at that test: 46,442 miles, which matches the advertised 46,000 miles.

Advertised mileage is about 12,000 miles lower than the median mileage of a 2021 Audi A4 Avant on AskCar.

Similar cars

10 other 2021 Audi A4 Avant Black Edition 2.0 diesel automatic estates are for sale at UK dealers, from £15,110 to £21,240, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2021 Audi A4 Avant Black Edition, 2.0 diesel estate, white. Mileage: 55,311 miles. Price: £18,985, £5,014 less than this car. Dealer: SG Motorhouse in Hoddesdon. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-23d03c2f2c67
  • 2021 Audi A4 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 55,796 miles. Price: £21,000, £2,999 less than this car. Dealer: Sytner Group Audi Reading in Reading. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-2b0bacf7a7aa
  • 2021 Audi A4 Avant Black Edition, 2.0 diesel estate, black. Mileage: 62,000 miles. Price: £18,950, £5,049 less than this car. Dealer: Carsource360 in Derby. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-37b4c8da4f87
  • The nearest: 2021 Audi A4 Avant Black Edition, 2.0 diesel estate, blue, 15 miles from this car. Mileage: 79,000 miles. Price: £19,895, £4,104 less than this car. Dealer: Harentor Cars in St Albans. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-1a73eae4afde

Browse all Audi A4 Avant cars for sale · 2021 Audi A4 Avant price guide

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Photos

51 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.