2021 Audi A4 Avant 2.0 TDI Black Edition

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: 79,000 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

This 2021 Audi A4 Avant Black Edition is advertised with 79,000 miles, approximately 19,300 above the typical mileage for its age. Its asking price of £19,895 is £407 above the AskCar estimate of £19,488. To work out the AskCar estimate, we analyse UK dealer adverts for 1,232 Audi A4 Avant cars across different ages and specifications. We first recorded this advert 36 days ago, and its asking price has since fallen by £100. The government's MOT record matches its advertised mileage. It is for sale at Harentor Cars in St. Albans. 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

Fair price: £407 (2%) over the AskCar estimate of £19,488.

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 1,232 priced Audi A4 Avant adverts across different ages and specifications, as of 4 November 2026.

A 2021 Audi A4 Avant with the 2.0 diesel engine is typically advertised at £18,500: the median of the 95 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 Audi A4 Avant has been on sale for at least 36 days.

Price history

AskCar first saw this advert on 29 September 2026 at £19,995. Its asking price is now £19,895, £100 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 29 September 2026: £19,995
• 29 October 2026: £19,895

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 26 May 2027.

It has had 3 MOTs. The latest, on 22 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 78,263 miles, which matches the advertised 79,000 miles.

Advertised mileage is about 19,300 miles higher than the median mileage of a 2021 Audi A4 Avant on AskCar.

Similar cars

11 other 2021 Audi A4 Avant Black Edition 2.0 diesel automatic estates are for sale at UK dealers, from £15,110 to £23,999, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A4 Avant Black Edition, 2.0 diesel estate, white. Mileage: 76,195 miles. Price: £17,299, £2,596 less than this car. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-9f5b0b30309a
• 2021 Audi A4 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 74,174 miles. Price: £21,240, £1,345 more than this car. Dealer: Dace Motor Company - Trading Standards Approved in Stockport. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-d44486b64efb
• 2021 Audi A4 Avant Black Edition, 2.0 diesel estate, white. Mileage: 84,039 miles. Price: £15,110, £4,785 less than this car. Dealer: Big Motoring World Leeds in Leeds. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-fd8130965528

• The nearest: 2021 Audi A4 Avant Black Edition, 2.0 diesel estate, white, 14 miles from this car. Mileage: 55,311 miles. Price: £18,985, £910 less than this car. Dealer: SG Motorhouse in Hoddesdon. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-23d03c2f2c67