2019 Audi A6 Avant 2.0 TDI S Line
Version: 2.0 TDI S Line S tronic FWD Euro 6 5dr (201 bhp)
Price: £20,790. Fair price: £649 (3%) over the AskCar estimate of £20,141, our expected asking price for this car from its model, age, mileage and specification, drawing on 751 priced Audi A6 Avant adverts on AskCar as of 29 October 2026.
AskCar lists 779 used Audi A6 Avant from 568 UK dealerships, as of 29 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
- 61,483 miles
- Year
- 2019
- Fuel type
- Diesel
- Body type
- Estate
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 201 bhp
- Seats
- 5
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TDI
- Emissions standard
- Euro 6
About this car
This 2019 Audi A6 Avant S Line is advertised with 61,483 miles, approximately 14,600 below the typical mileage for its age. The dealer is asking £20,790, which is £649 above the AskCar estimate of £20,141. To work out the AskCar estimate, we analyse UK dealer adverts for 751 Audi A6 Avant cars across different ages and specifications. It first appeared in our advert records today. MOT records show an expiry date of 19 September 2027, and the latest recorded mileage is consistent with the advert. The seller is Agnew Group Belfast Audi, based in Belfast.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £20,790 |
Price and mileage comparison
Fair price: £649 (3%) over the AskCar estimate of £20,141.
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 751 priced Audi A6 Avant adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 14,600 miles lower than the median mileage of a 2019 Audi A6 Avant on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 19 September 2027. 53,128 miles at the last test.
Other matching cars
68 other 2019 Audi A6 Avant S Line automatic diesel cars are for sale at UK dealers from £9,990 to £24,990, as of 29 October 2026.
The 5 cheapest:
- 2019 Audi A6 Avant. Price: £9,990. Mileage: 173,000 miles. Dealer: Steve Lane Cars in Solihull. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-98e62f1ee2b0
- 2019 Audi A6 Avant. Price: £11,995. Mileage: 158,776 miles. Dealer: Zacks Motor Company in Slough. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-2c0458c45d70
- 2019 Audi A6 Avant. Price: £13,995. Mileage: 125,000 miles. Dealer: GOT Cars PB in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-ac1a6b4112c1
- 2019 Audi A6 Avant. Price: £14,853. Mileage: 99,078 miles. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-2189c5879ccd
- 2019 Audi A6 Avant. Price: £14,950. Mileage: 98,000 miles. Dealer: Fengate Motors in Fengate. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-1e40f789c4a2
The 68 matching cars have covered 36,304 to 173,000 miles, compared with 61,483 miles for this car.
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 · 2019 Audi A6 Avant price guide
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Photos
36 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.