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: 48,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 48,000 miles, this 2018 Audi A6 Saloon S Line has covered about 21,500 fewer miles than other 2018 Audi A6 Saloon cars. Its asking price of £17,495 is £74 below the AskCar estimate of £17,569. 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 68 days ago. Its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. You can find this car at R-Line Motors in Oldham. 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: £74 (under 1%) under the AskCar estimate of £17,569.

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

This 2018 Audi A6 Saloon has been on sale for at least 68 days.

Price history

AskCar first saw this advert on 26 August 2026 at £17,995. Its asking price is now £17,495, £500 less. The latest price cut was seen on 7 October 2026.

Price changes recorded:

• 26 August 2026: £17,995
• 7 October 2026: £17,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 13 April 2027.

It has had 5 MOTs. The latest, on 14 April 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin.

Mileage at that test: 46,036 miles, which matches the advertised 48,000 miles.

Advertised mileage is about 21,500 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, black. Mileage: 48,428 miles. Price: £16,700, £795 less than this car. Dealer: Marshall Volkswagen Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-538c812a95c7
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 49,227 miles. Price: £17,849, £354 more than this car. Dealer: TU Motors in Luton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-5c1118e2ae93
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 45,000 miles. Price: £15,990, £1,505 less than this car. Dealer: Car City (Luton) in Luton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-cf0cec8a6e4c

• The nearest: 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, grey, 8 miles from this car. Mileage: 121,258 miles. Price: £11,995, £5,500 less than this car. Dealer: Carzy in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-0edc5e86d7a0