2019 Audi A6 TDI S Line

Price: £18,995. Fair price: £488 (2%) under the AskCar estimate of £19,483, our expected asking price for this car from its model, age, mileage and specification, drawing on 64 priced Audi A6 adverts on AskCar as of 4 November 2026.

AskCar lists 77 used Audi A6 from 64 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: A6
  • Trim: S Line
  • Version: S Line S tronic Euro 6 4dr (201 bhp)
  • Year: 2019
  • Mileage: 49,000 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 201 bhp
  • Gearbox: Automatic (S tronic)
  • Colour: Blue
  • CO2: 183 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2019 Audi A6 S Line has covered 49,000 miles. Priced at £18,995, it is advertised £488 below the AskCar estimate of £19,483. The AskCar estimate uses UK dealer asking prices, including 64 Audi A6 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 160 days ago, the asking price has dropped by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Peter Nash Specialist Cars in Southampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £488 (2%) under the AskCar estimate of £19,483.

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 64 priced Audi A6 adverts across different ages and specifications, as of 4 November 2026.

Time on sale

This 2019 Audi A6 has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £19,995. Its asking price is now £18,995, £1,000 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

  • 28 May 2026: £19,995
  • 23 July 2026: £19,795
  • 1 August 2026: £19,495
  • 8 September 2026: £19,295
  • 10 October 2026: £18,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 13 May 2027.

It has had 8 MOTs. The latest, on 14 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 48,122 miles, which matches the advertised 49,000 miles.

Browse all Audi A6 cars for sale · 2019 Audi A6 price guide

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Photos

33 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.