2019 Audi A6 Saloon 2.0 TDI S Line
Price: £18,450. Good value: £1,752 (8%) under the AskCar estimate of £20,202, our expected asking price for this car from its model, age, mileage and specification, drawing on 858 priced Audi A6 Saloon adverts on AskCar as of 2 November 2026.
AskCar lists 886 used Audi A6 Saloon from 654 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: A6 Saloon
- Trim: S Line
- Version: 2.0 TDI 40 S Line S tronic FWD Euro 6 (s/s) 4dr (201 bhp)
- Year: 2019
- Mileage: 39,931 miles
- Fuel: Diesel
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 201 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: White
- CO2: 118 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 39,931 miles, this 2019 Audi A6 Saloon S Line has covered about 33,100 fewer miles than other 2019 Audi A6 Saloon cars. The AskCar estimate for this car is £20,202. It is priced at £18,450, which is £1,752 below that estimate. The AskCar estimate uses UK dealer asking prices, including 858 Audi A6 Saloon adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 17 days ago. Its asking price has since fallen by £200. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Car Planet Barnet in New Southgate. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Good value: £1,752 (8%) under the AskCar estimate of £20,202.
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 858 priced Audi A6 Saloon adverts across different ages and specifications, as of 2 November 2026.
A 2019 Audi A6 Saloon with the 2.0 diesel engine is typically advertised at £16,000: the median of the 102 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2019 Audi A6 Saloon has been on sale for at least 17 days.
Price history
AskCar first saw this advert on 16 October 2026 at £18,650. Its asking price is now £18,450, £200 less. The latest price cut was seen on 28 October 2026.
Price changes recorded:
- 16 October 2026: £18,650
- 28 October 2026: £18,450
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 23 November 2026.
It has had 7 MOTs. The latest, on 16 October 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 39,957 miles, which matches the advertised 39,931 miles.
Advertised mileage is about 33,100 miles lower than the median mileage of a 2019 Audi A6 Saloon on AskCar.
Similar cars
53 other 2019 Audi A6 Saloon S Line 2.0 diesel automatic saloons are for sale at UK dealers, from £9,995 to £29,450, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2019 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 39,822 miles. Price: £17,799, £651 less than this car. Dealer: Motorpoint Chingford in Chingford. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2019-e4dbf0f0d328
- 2019 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 41,210 miles. Price: £17,999, £451 less than this car. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2019-c0ba8d6ac95f
- 2019 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 42,099 miles. Price: £18,995, £545 more than this car. Dealer: H & M Cars Barnsley in Barnsley. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2019-0b4a852af801
- The nearest: 2019 Audi A6 Saloon S Line, 2.0 diesel saloon, grey, 5 miles from this car. Mileage: 73,000 miles. Price: £16,050, £2,400 less than this car. Dealer: Ryds Group in London. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2019-97ced1cebbeb
Browse all Audi A6 Saloon cars for sale · 2019 Audi A6 Saloon price guide
More like this
- Used Audi A6 Saloon S Line prices
- Used Audi A6 Saloon for sale under £20,000
- Used diesel Audi A6 Saloon for sale
Photos
40 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.