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 4WD Euro 6 5dr (201 bhp)
• Year: 2021
• Mileage: 54,176 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 158 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 54,176 miles, this 2021 Audi A6 Avant Black Edition has covered about 2,600 more miles than other 2021 Audi A6 Avant cars. Priced at £22,386, it is advertised £1,840 below the AskCar estimate of £24,226. The AskCar estimate uses UK dealer asking prices, including 785 Audi A6 Avant adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 16 days ago, the asking price has dropped by £320. Its advertised mileage matches the government's MOT record. The seller is Carbase Bristol, based in Bristol. 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: £1,840 (7%) under the AskCar estimate of £24,226.

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

This 2021 Audi A6 Avant has been on sale for at least 16 days.

Price history

AskCar first saw this advert on 20 October 2026 at £22,706. Its asking price is now £22,386, £320 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 20 October 2026: £22,706
• 27 October 2026: £22,386

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 11 December 2026.

It has had 3 MOTs. The latest, on 12 December 2025, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 42,414 miles, which matches the advertised 54,176 miles.

Advertised mileage is about 2,600 miles higher 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, black. Mileage: 55,006 miles. Price: £23,250, £864 more than this car. Dealer: Harpers Cumbria in Carlisle. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-68320c0fb6de
• 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, white. Mileage: 52,603 miles. Price: £21,995, £391 less than this car. Dealer: UK Car Solutions in Bromley. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-f2bb1b75aa0a
• 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 51,900 miles. Price: £23,799, £1,413 more than this car. Dealer: Sandles Cars in King's Lynn. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-717f2547480a

• The nearest: 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, 11 miles from this car. Mileage: 113,877 miles. Price: £17,985, £4,401 less than this car. Dealer: South & West Motors in Bath. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-3abb804088cd