2020 Audi A6 Avant 2.0 TDI Black Edition
Price: £19,900. Fair price: £107 (under 1%) over the AskCar estimate of £19,793, our expected asking price for this car from its model, age, mileage and specification, drawing on 779 priced Audi A6 Avant adverts on AskCar as of 12 November 2026.
AskCar lists 801 used Audi A6 Avant from 593 UK dealerships, as of 12 November 2026.
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: 75,729 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 201 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Silver
- CO2: 154 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi A6 Avant Black Edition is advertised with 75,729 miles, approximately 2,700 above the typical mileage for its age. Its asking price of £19,900 is £107 above the AskCar estimate of £19,793. To work out the AskCar estimate, we analyse UK dealer adverts for 779 Audi A6 Avant cars across different ages and specifications. We have tracked this advert for 1 day. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Select Swindon, based in Swindon. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 12 November 2026.
Sytner Select Swindon is rated 4.4 out of 5 on Google.
Price
Fair price: £107 (under 1%) over the AskCar estimate of £19,793.
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 779 priced Audi A6 Avant adverts across different ages and specifications, as of 12 November 2026.
A 2020 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £18,600: the median of the 34 for sale on AskCar, as of 12 November 2026.
Time on sale
AskCar first saw this 2020 Audi A6 Avant advertised 1 day ago.
Price history
AskCar first saw this advert on 11 November 2026 at £19,900. 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 12 November 2026: valid until 7 September 2027.
It has had 5 MOTs. The latest, on 19 August 2026, passed.
Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge.
Mileage at that test: 67,505 miles, which matches the advertised 75,729 miles.
Advertised mileage is about 2,700 miles higher than the median mileage of a 2020 Audi A6 Avant on AskCar.
Similar cars
6 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 12 November 2026.
The 3 closest to this car in mileage:
- 2020 Audi A6 Avant Black Edition, 2.0 diesel estate, black. Mileage: 79,217 miles. Price: £17,963, £1,937 less than this car. Dealer: Vertu Jaecoo Burton in Burton upon Trent. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-d3280cca2eda
- 2020 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 83,515 miles. Price: £17,995, £1,905 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, grey. Mileage: 86,859 miles. Price: £18,998, £902 less than this car. Dealer: Arnold Clark Edinburgh Seafield Motorstore / Vanstore in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-03cdb529b34e
- The nearest: 2020 Audi A6 Avant Black Edition, 2.0 diesel estate, grey, 18 miles from this car. Mileage: 48,924 miles. Price: £22,950, £3,050 more than this car. Dealer: Group 1 Automotive Tetbury Audi in Tetbury. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-c66076e5f6a1
Browse all Audi A6 Avant cars for sale · 2020 Audi A6 Avant price guide
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Photos
9 photos of this car are on its AskCar page.
As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.