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 FWD Euro 6 5dr (201 bhp)
• Year: 2021
• Mileage: 55,006 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 55,006 miles, this 2021 Audi A6 Avant Black Edition has covered about 3,400 more miles than other 2021 Audi A6 Avant cars. The AskCar estimate for this car is £23,168. It is priced at £23,250, which is £82 above that estimate. The AskCar estimate draws on 774 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 5 days ago. The government's MOT record matches its advertised mileage. It is advertised by Harpers Cumbria in Carlisle. 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: £82 (under 1%) over the AskCar estimate of £23,168.

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

AskCar first saw this 2021 Audi A6 Avant advertised 5 days ago. About 6 in 10 of 2021 Audi A6 Avant cars are gone from sale within a month of being advertised: 35 of the 62 first advertised between 13 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £23,250. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 1 March 2027.

It has had 4 MOTs. The latest, on 26 February 2026, passed.

Advisories at the latest test: offside rear nail in tyre.

Mileage at that test: 48,872 miles, which matches the advertised 55,006 miles.

Advertised mileage is about 3,400 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 £17,985 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, black. Mileage: 54,176 miles. Price: £22,386, £864 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-2b6e59983993
• 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, white. Mileage: 52,603 miles. Price: £21,995, £1,255 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, £549 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, white, 68 miles from this car. Mileage: 41,655 miles. Price: £23,714, £464 more than this car. Dealer: Preston Ramsey Cars in Thornaby-on-Tees. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-b5ff041f482e