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: 79,359 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 79,359 miles, this 2018 Audi A6 Saloon S Line has covered about 9,900 more miles than other 2018 Audi A6 Saloon cars. The dealer is asking £14,795, which is £329 above the AskCar estimate of £14,466. To work out the AskCar estimate, we analyse UK dealer adverts for 858 Audi A6 Saloon cars across different ages and specifications. We first saw this car advertised 44 days ago. Its asking price has since fallen by £200. The government's MOT record matches its advertised mileage. It is advertised by Tenby Car Supermarket in Luton. 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: £329 (2%) over the AskCar estimate of £14,466.

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 44 days.

Price history

AskCar first saw this advert on 19 September 2026 at £14,995. Its asking price is now £14,795, £200 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 19 September 2026: £14,995
• 14 October 2026: £14,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 19 November 2026.

It has had 6 MOTs. The latest, on 20 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 71,639 miles, which matches the advertised 79,359 miles.

Advertised mileage is about 9,900 miles higher 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, grey. Mileage: 79,000 miles. Price: £12,494, £2,301 less than this car. Dealer: Vivian Price Cars in Kingswood and Fishponds. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-30a46654f853
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, white. Mileage: 80,000 miles. Price: £10,980, £3,815 less than this car. Dealer: Motonet.com in Coventry. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-9dca2055f1f2
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 80,618 miles. Price: £15,995, £1,200 more than this car. Dealer: Fleetwise in Armagh. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-b0228b3df4e5

• The nearest: 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, black, 2 miles from this car. Mileage: 45,000 miles. Price: £15,990, £1,195 more than this car. Dealer: Car City (Luton) in Luton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-cf0cec8a6e4c