2019 Audi A6 Avant 2.0 TDI S Line
Price: £20,495. Above the going rate: £3,280 (19%) over the AskCar estimate of £17,215, our expected asking price for this car from its model, age, mileage and specification, drawing on 774 priced Audi A6 Avant adverts on AskCar as of 4 November 2026.
AskCar lists 794 used Audi A6 Avant from 586 UK dealerships, as of 4 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: 2019
- Mileage: 79,500 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
With 79,500 miles on the clock, this 2019 Audi A6 Avant S Line has done roughly 2,500 more miles than a typical 2019 Audi A6 Avant. The dealer is asking £20,495, which is £3,280 above the AskCar estimate of £17,215. To work out the AskCar estimate, we analyse UK dealer adverts for 774 Audi A6 Avant cars across different ages and specifications. We first saw this car advertised 126 days ago. Its asking price has since fallen by £1,000. You can find this car at Sam Performance in Rochdale. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Above the going rate: £3,280 (19%) over the AskCar estimate of £17,215.
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 774 priced Audi A6 Avant adverts across different ages and specifications, as of 4 November 2026.
A 2019 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £17,000: the median of the 97 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2019 Audi A6 Avant has been on sale for at least 126 days.
Price history
AskCar first saw this advert on 1 July 2026 at £21,495. Its asking price is now £20,495, £1,000 less. The latest price cut was seen on 31 October 2026.
Price changes recorded:
- 1 July 2026: £21,495
- 1 August 2026: £20,995
- 31 October 2026: £20,495
Mileage and MOT
Advertised mileage is about 2,500 miles higher than the median mileage of a 2019 Audi A6 Avant on AskCar.
Similar cars
60 other 2019 Audi A6 Avant S Line 2.0 diesel automatic estates are for sale at UK dealers, from £11,995 to £20,995, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2019 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 79,861 miles. Price: £16,170, £4,325 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-0494b81286fb
- 2019 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 80,000 miles. Price: £17,488, £3,007 less than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-a234474cd6bb
- 2019 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 80,296 miles. Price: £17,098, £3,397 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-85a9e27e5564
- The nearest: 2019 Audi A6 Avant S Line, 2.0 diesel estate, black, 3 miles from this car. Mileage: 64,770 miles. Price: £20,990, £495 more than this car. Dealer: Brownroyd Motors in Heywood. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-cb2dc92d5a55
Browse all Audi A6 Avant cars for sale · 2019 Audi A6 Avant price guide
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Photos
20 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.