2018 Audi A6 Saloon 2.0 TDI S Line

Price: £16,998. Fair price: £750 (4%) over the AskCar estimate of £16,248, 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: 2018
  • Mileage: 62,456 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

This 2018 Audi A6 Saloon S Line is advertised with 62,456 miles, approximately 7,000 below the typical mileage for its age. Priced at £16,998, it is advertised £750 above the AskCar estimate of £16,248. To work out the AskCar estimate, we analyse UK dealer adverts for 858 Audi A6 Saloon cars across different ages and specifications. We have tracked this advert for 3 days. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Wallsend Silverlink Citroen / Peugeot / Jeep / OMODA / JAECOO, based in Wallsend. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £750 (4%) over the AskCar estimate of £16,248.

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 2018 Audi A6 Saloon with the 2.0 diesel engine is typically advertised at £14,800: the median of the 52 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2018 Audi A6 Saloon advertised 3 days ago. About 4 in 10 of 2018 Audi A6 Saloon cars are gone from sale within a month of being advertised: 29 of the 77 first advertised between 12 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £16,998. 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 2 November 2026: valid until 27 September 2027.

It has had 7 MOTs. The latest, on 23 September 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge; front brake pad(s) wearing thin.

Mileage at that test: 61,633 miles, which matches the advertised 62,456 miles.

Advertised mileage is about 7,000 miles lower than the median mileage of a 2018 Audi A6 Saloon on AskCar.

Similar cars

29 other 2018 Audi A6 Saloon S Line 2.0 diesel automatic saloons are for sale at UK dealers, from £7,995 to £21,250, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, white. Mileage: 63,018 miles. Price: £16,799, £199 less than this car. Dealer: Bridgend Motor Group in Gateshead. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-2cc6a5929ee8
  • 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, white. Mileage: 66,000 miles. Price: £16,949, the same price as this car. Dealer: Donnelly Automotive in Ballymena. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-5d52e24c6e9f
  • 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, white. Mileage: 58,799 miles. Price: £15,995, £1,003 less than this car. Dealer: Magna Motor Group in Warrington. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-0b67cc0f1889

Browse all Audi A6 Saloon cars for sale · 2018 Audi A6 Saloon price guide

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Photos

1 photo of this car is 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.