2019 Audi A6 Avant 2.0 TDI S Line
Price: £20,790. Fair price: £918 (4%) over the AskCar estimate of £19,872, 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 40 S Line S tronic FWD Euro 6 (s/s) 5dr (201 bhp)
- Year: 2019
- Mileage: 61,483 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 201 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 124 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2019 Audi A6 Avant S Line is advertised with 61,483 miles, approximately 15,500 below the typical mileage for its age. The dealer is asking £20,790, which is £918 above the AskCar estimate of £19,872. To work out the AskCar estimate, we analyse UK dealer adverts for 774 Audi A6 Avant cars across different ages and specifications. We first recorded this car for sale 6 days ago. Its advertised mileage matches the government's MOT record. The seller is Agnew Group Belfast Audi, based in Belfast. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £918 (4%) over the AskCar estimate of £19,872.
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
AskCar first saw this 2019 Audi A6 Avant advertised 6 days ago. About 4 in 10 of 2019 Audi A6 Avant cars are gone from sale within a month of being advertised: 45 of the 117 first advertised between 13 July 2026 and 1 October 2026.
Price history
AskCar first saw this advert on 29 October 2026 at £20,790. 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 4 November 2026: valid until 19 September 2027.
It has had 2 MOTs. The latest, on 20 September 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 53,128 miles, which matches the advertised 61,483 miles.
Advertised mileage is about 15,500 miles lower 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, white. Mileage: 60,538 miles. Price: £18,800, £1,990 less than this car. Dealer: Sytner Select Swindon in Swindon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-68b6580d0ac5
- 2019 Audi A6 Avant S Line, 2.0 diesel estate, silver. Mileage: 63,000 miles. Price: £19,950, £840 less than this car. Dealer: Prestige Marques in Ballynahinch. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-7c01c8eb223e
- 2019 Audi A6 Avant S Line, 2.0 diesel estate, white. Mileage: 63,114 miles. Price: £19,498, £1,292 less than this car. Dealer: Arnold Clark Glasgow Royston Road SEAT / CUPRA in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-a8cc2992e626
- The nearest: 2019 Audi A6 Avant S Line, 2.0 diesel estate, blue, 16 miles from this car. Mileage: 92,500 miles. Price: £17,995, £2,795 less than this car. Dealer: Empire Autos NI in Craigavon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-79bb7434bbbf
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.
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.