2018 Audi A6 Saloon 2.0 TDI S Line

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: 45,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 45,000 miles on the clock, this 2018 Audi A6 Saloon S Line has done roughly 22,700 fewer miles than a typical 2018 Audi A6 Saloon. The dealer is asking £20,395, which is £2,504 above the AskCar estimate of £17,891. To work out the AskCar estimate, we analyse UK dealer adverts for 871 Audi A6 Saloon cars across different ages and specifications. We have tracked this advert for 2 days. Its advertised mileage matches the government's MOT record. It is for sale at Hynes Motors in Newry. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,504 (13%) over the AskCar estimate of £17,891.

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 871 priced Audi A6 Saloon adverts across different ages and specifications, as of 5 November 2026.

A 2018 Audi A6 Saloon with the 2.0 diesel engine is typically advertised at £14,800: the median of the 54 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2018 Audi A6 Saloon advertised 2 days ago. About 4 in 10 of 2018 Audi A6 Saloon cars are gone from sale within a month of being advertised: 31 of the 80 first advertised between 12 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £20,395. 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 5 November 2026: valid until 4 May 2027.

It has had 5 MOTs. The latest, on 5 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 45,085 miles, which matches the advertised 45,000 miles.

Advertised mileage is about 22,700 miles lower than the median mileage of a 2018 Audi A6 Saloon on AskCar.

Similar cars

30 other 2018 Audi A6 Saloon S Line 2.0 diesel automatic saloons are for sale at UK dealers, from £7,995 to £19,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 45,000 miles. Price: £15,990, £4,405 less than this car. Dealer: Car City (Luton) in Luton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-cf0cec8a6e4c
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 43,000 miles. Price: £16,989, £3,406 less than this car. Dealer: Bluehawk Automotive in Hounslow. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-c0547a8266b4
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, white. Mileage: 48,000 miles. Price: £17,495, £2,900 less than this car. Dealer: R-Line Motors in Oldham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-6f610327107d

• The nearest: 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, grey, 22 miles from this car. Mileage: 80,618 miles. Price: £15,995, £4,400 less than this car. Dealer: Fleetwise in Armagh. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-b0228b3df4e5