2020 Audi A6 Avant 2.0 TDI S Line
Price: £21,991. Fair price: £289 (1%) under the AskCar estimate of £22,280, our expected asking price for this car from its model, age, mileage and specification, drawing on 785 priced Audi A6 Avant adverts on AskCar as of 5 November 2026.
AskCar lists 810 used Audi A6 Avant from 596 UK dealerships, as of 5 November 2026.
Overview
- Make: Audi
- Model: A6 Avant
- Trim: S Line
- Version: 2.0 TDI S Line S tronic FWD Euro 6 5dr (201 bhp)
- Year: 2020
- Mileage: 44,041 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
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 44,041 miles, this 2020 Audi A6 Avant S Line has covered about 29,000 fewer miles than other 2020 Audi A6 Avant cars. Priced at £21,991, it is advertised £289 below the AskCar estimate of £22,280. The AskCar estimate draws on 785 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 5 days. The seller is Listers Audi Coventry, based in Coventry. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £289 (1%) under the AskCar estimate of £22,280.
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 2020 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £18,500: the median of the 32 for sale on AskCar, as of 5 November 2026.
Time on sale
AskCar first saw this 2020 Audi A6 Avant advertised 5 days ago.
Price history
AskCar first saw this advert on 31 October 2026 at £21,991. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 29,000 miles lower than the median mileage of a 2020 Audi A6 Avant on AskCar.
Similar cars
15 other 2020 Audi A6 Avant S Line 2.0 diesel automatic estates are for sale at UK dealers, from £14,990 to £23,000, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2020 Audi A6 Avant S Line, 2.0 diesel estate, black. Mileage: 42,068 miles. Price: £22,207, £216 more than this car. Dealer: Lookers in Belfast. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-99ca4a94e24a
- 2020 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 54,000 miles. Price: £19,900, £2,091 less than this car. Dealer: Automoto UK in Banbridge. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-17697c90fe36
- 2020 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 54,469 miles. Price: £23,000, £1,009 more than this car. Dealer: Sytner Group Audi Reading in Reading. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-1866fd06d900
- The nearest: 2020 Audi A6 Avant S Line, 2.0 diesel estate, black, 11 miles from this car. Mileage: 59,422 miles. Price: £19,985, £2,006 less than this car. Dealer: Listers Birmingham Audi in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-c81a88f062aa
Browse all Audi A6 Avant cars for sale · 2020 Audi A6 Avant price guide
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- Used Audi A6 Avant for sale near Coventry
Photos
1 photo of this car is on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.