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: 80,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 110 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Saloon S Line is advertised with 80,000 miles, approximately 10,500 above the typical mileage for its age. Its asking price of £10,980 is £1,882 below the AskCar estimate of £12,862. 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 have tracked this advert for 13 days. Its advertised mileage matches the government's MOT record. It is advertised by Motonet.com in Coventry. 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

Good value: £1,882 (14%) under the AskCar estimate of £12,862.

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 13 days.

Price history

AskCar first saw this advert on 20 October 2026 at £10,980. 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 2 February 2027.

It has had 7 MOTs. The latest, on 20 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 80,187 miles, which matches the advertised 80,000 miles.

Advertised mileage is about 10,500 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: 80,618 miles. Price: £15,995, £5,015 more than this car. Dealer: Fleetwise in Armagh. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-b0228b3df4e5
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 79,359 miles. Price: £14,795, £3,815 more than this car. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-a394b22b6df2
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 79,000 miles. Price: £12,494, £1,514 more than this car. Dealer: Vivian Price Cars in Kingswood and Fishponds. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-30a46654f853

• The nearest: 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, blue, 26 miles from this car. Mileage: 180,000 miles. Price: £8,950, £2,030 less than this car. Dealer: Russell Street Motors in Burton upon Trent. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-169d4b805214