2020 Audi A6 Avant 2.0 TDI S Line
Version: 2.0 TDI S Line S tronic FWD Euro 6 5dr (201 bhp)
Price: £21,991. Fair price: £417 (1%) under the AskCar estimate of £22,408, our expected asking price for this car from its model, age, mileage and specification, drawing on 768 priced Audi A6 Avant adverts on AskCar as of 31 October 2026.
AskCar lists 785 used Audi A6 Avant from 569 UK dealerships, as of 31 October 2026.
Overview
- Make
- Audi
- Model
- A6 Avant
- Trim
- S Line
- Version
- 2.0 TDI S Line S tronic FWD Euro 6 5dr (201 bhp)
- Mileage
- 44,041 miles
- Year
- 2020
- Fuel type
- Diesel
- Body type
- Estate
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 201 bhp
- Seats
- 5
- Colour
- Black
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TDI
- Emissions standard
- Euro 6
About this car
At 44,041 miles, this 2020 Audi A6 Avant S Line has covered about 29,700 fewer miles than other 2020 Audi A6 Avant cars. Priced at £21,991, it is advertised £417 below the AskCar estimate of £22,408. The AskCar estimate draws on 768 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. The seller is Listers Audi Coventry, based in Coventry.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £21,991 |
Price and mileage comparison
Fair price: £417 (1%) under the AskCar estimate of £22,408.
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 768 priced Audi A6 Avant adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 29,700 miles lower than the median mileage of a 2020 Audi A6 Avant on AskCar.
Other matching cars
13 other 2020 Audi A6 Avant S Line automatic diesel cars are for sale at UK dealers from £15,290 to £23,000, as of 31 October 2026.
The 5 cheapest:
- 2020 Audi A6 Avant. Price: £15,290. Mileage: 108,966 miles. Dealer: Anchor Cars in Reading. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-3f2a00f63d4d
- 2020 Audi A6 Avant. Price: £15,490. Mileage: 98,000 miles. Dealer: Mawsley Motor Company in Northampton. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-f7d045ba0d11
- 2020 Audi A6 Avant. Price: £15,899. Dealer: MSK Cars in London. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-ae137c383a3f
- 2020 Audi A6 Avant. Price: £16,850. Mileage: 81,113 miles. Dealer: Drive Motor Retail drivedirect Leamington in Leamington Spa. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-c4447a9087ee
- 2020 Audi A6 Avant. Price: £16,995. Mileage: 72,692 miles. Dealer: Banks Of The Tyne Motor Company in Hebburn. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-9187a355dc32
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Audi A6 Avant cars for sale · 2020 Audi A6 Avant price guide
More like this
Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.