2021 Audi A4 Avant 2.0 TDI Black Edition

Overview

• Make: Audi
• Model: A4 Avant
• Trim: Black Edition
• Version: 2.0 TDI Black Edition S tronic FWD Euro 6 5dr (160 bhp)
• Year: 2021
• Mileage: 55,796 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 160 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 55,796 miles, this 2021 Audi A4 Avant Black Edition has covered about 3,900 fewer miles than other 2021 Audi A4 Avant cars. Its asking price of £21,000 is £454 above the AskCar estimate of £20,546. To work out the AskCar estimate, we analyse UK dealer adverts for 1,232 Audi A4 Avant cars across different ages and specifications. Since we first spotted the advert 46 days ago, the asking price has dropped by £500. Its advertised mileage matches the government's MOT record. The seller is Sytner Group Audi Reading, based in Reading. 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: £454 (2%) over the AskCar estimate of £20,546.

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 46 days.

Price history

AskCar first saw this advert on 19 September 2026 at £21,500. Its asking price is now £21,000, £500 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 19 September 2026: £21,500
• 27 October 2026: £21,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 23 March 2027.

It has had 4 MOTs. The latest, on 12 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 49,461 miles, which matches the advertised 55,796 miles.

Advertised mileage is about 3,900 miles lower 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: 55,311 miles. Price: £18,985, £2,015 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, black. Mileage: 62,000 miles. Price: £18,950, £2,050 less than this car. Dealer: Carsource360 in Derby. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-37b4c8da4f87
• 2021 Audi A4 Avant Black Edition, 2.0 diesel estate, blue. Mileage: 46,000 miles. Price: £23,999, £2,999 more than this car. Dealer: Heston Automotive in Hayes. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-53abe1342407

• The nearest: 2021 Audi A4 Avant Black Edition, 2.0 diesel estate, white, 15 miles from this car. Mileage: 40,325 miles. Price: £23,925, £2,925 more than this car. Dealer: One 2 One Autos in Windsor. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-9a8b3943f4f1