2020 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: 2020
• Mileage: 86,859 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 86,859 miles, this 2020 Audi A6 Avant Black Edition has covered about 13,800 more miles than other 2020 Audi A6 Avant cars. Its asking price of £18,998 is £790 above the AskCar estimate of £18,208. To work out the AskCar estimate, we analyse UK dealer adverts for 789 Audi A6 Avant cars across different ages and specifications. Since we first spotted the advert 96 days ago, the asking price has dropped by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Edinburgh Seafield Motorstore / Vanstore, based in Edinburgh. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £790 (4%) over the AskCar estimate of £18,208.

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 789 priced Audi A6 Avant adverts across different ages and specifications, as of 7 November 2026.

A 2020 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £18,500: the median of the 30 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 Audi A6 Avant has been on sale for at least 96 days.

Price history

AskCar first saw this advert on 3 August 2026 at £19,998. Its asking price is now £18,998, £1,000 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 3 August 2026: £19,998
• 7 November 2026: £18,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 13 April 2027.

It has had 4 MOTs. The latest, on 10 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 83,468 miles, which matches the advertised 86,859 miles.

Advertised mileage is about 13,800 miles higher than the median mileage of a 2020 Audi A6 Avant on AskCar.

Similar cars

4 other 2020 Audi A6 Avant Black Edition 2.0 diesel automatic estates are for sale at UK dealers, from £15,995 to £22,950, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 83,515 miles. Price: £17,995, £1,003 less than this car. Dealer: Clear Car Group in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-671ccd6c775a
• 2020 Audi A6 Avant Black Edition, 2.0 diesel estate, black. Mileage: 93,936 miles. Price: £18,495, £503 less than this car. Dealer: Blackline Motors in Oldham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-9f9a902c53ba
• 2020 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 124,000 miles. Price: £15,995, £3,003 less than this car. Dealer: Motorhouse (Beds) in Bedford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-93fcb344e98a