2018 Audi A6 Saloon 2.0 TDI ultra S Line

Overview

• Make: Audi
• Model: A6 Saloon
• Trim: S Line
• Version: 2.0 TDI ultra S Line S tronic FWD Euro 6 (s/s) 4dr (187 bhp)
• Year: 2018
• Mileage: 57,250 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 110 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Saloon S Line has covered 57,250 miles, around 10,500 fewer miles than is typical for its age. The dealer is asking £13,394, which is £1,381 below the AskCar estimate of £14,775. To work out the AskCar estimate, we analyse UK dealer adverts for 871 Audi A6 Saloon cars across different ages and specifications. We first recorded this advert 23 days ago, and its asking price has since fallen by £101. Its advertised mileage matches the government's MOT record. You can find this car at Lambert Ford in Leven. 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

Good value: £1,381 (9%) under the AskCar estimate of £14,775.

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

This 2018 Audi A6 Saloon has been on sale for at least 23 days.

Price history

AskCar first saw this advert on 13 October 2026 at £13,495. Its asking price is now £13,394, £101 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 13 October 2026: £13,495
• 29 October 2026: £13,394

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 16 May 2027.

It has had 7 MOTs. The latest, on 21 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 54,668 miles, which matches the advertised 57,250 miles.

Advertised mileage is about 10,500 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 £20,395, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, white. Mileage: 58,799 miles. Price: £15,995, £2,601 more than this car. Dealer: Magna Motor Group in Warrington. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-0b67cc0f1889
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, blue. Mileage: 54,000 miles. Price: £17,000, £3,606 more than this car. Dealer: Stratus in Basingstoke. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-2895fd2b12d5
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 53,099 miles. Price: £16,000, £2,606 more than this car. Dealer: Carpoint UK Motor Company in Newport. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-9a33c4b846df

• The nearest: 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, white, 48 miles from this car. Mileage: 98,000 miles. Price: £12,995, £399 less than this car. Dealer: Kennedy Cars in Bargeddie. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-6287ca86409d