2020 Audi A6 Avant 3.0 Black Edition
Price: £28,720. Above the going rate: £3,168 (12%) over the AskCar estimate of £25,552, our expected asking price for this car from its model, age, mileage and specification, drawing on 767 priced Audi A6 Avant adverts on AskCar as of 9 November 2026.
AskCar lists 788 used Audi A6 Avant from 588 UK dealerships, as of 9 November 2026.
Overview
- Make: Audi
- Model: A6 Avant
- Trim: Black Edition
- Version: 3.0 TDI Black Edition Tiptronic 4WD Euro 6 5dr (281 bhp)
- Year: 2020
- Mileage: 67,500 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 3.0 litres, 281 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 193 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi A6 Avant Black Edition has covered 67,500 miles. The AskCar estimate for this car is £25,552. It is priced at £28,720, which is £3,168 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 767 Audi A6 Avant cars across different ages and specifications. It first appeared in our advert records 114 days ago. The latest MOT recorded 75,461 miles, above the advertised mileage. Check this with the dealer. MOT records show an expiry date of 2 July 2027. You can find this car at S&A Motorcade in Walsall. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Price
Above the going rate: £3,168 (12%) over the AskCar estimate of £25,552.
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 767 priced Audi A6 Avant adverts across different ages and specifications, as of 9 November 2026.
Time on sale
This 2020 Audi A6 Avant has been on sale for at least 114 days.
Price history
AskCar first saw this advert on 18 July 2026 at £28,720. 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 9 November 2026: valid until 2 July 2027.
It has had 4 MOTs. The latest, on 25 June 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 75,461 miles. The advert says 67,500 miles, fewer than the MOT record, so ask the dealer which is right.
Advertised mileage is about 4,700 miles lower than the median mileage of a 2020 Audi A6 Avant on AskCar.
Similar cars
1 other 2020 Audi A6 Avant Black Edition 3.0 diesel automatic estate is for sale at UK dealers, as of 9 November 2026.
The closest to this car in mileage:
- 2020 Audi A6 Avant Black Edition, 3.0 diesel estate, blue. Mileage: 75,339 miles. Price: £19,999, £8,721 less than this car. Dealer: Hendy Car Store in Exeter. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-2df4b2190291
Browse all Audi A6 Avant cars for sale · 2020 Audi A6 Avant price guide
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Photos
11 photos of this car are on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.