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: 98,000 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 98,000 miles, this 2018 Audi A6 Saloon S Line has covered about 28,500 more miles than other 2018 Audi A6 Saloon cars. The dealer is asking £12,995, which is £268 above the AskCar estimate of £12,727. To work out the AskCar estimate, we analyse UK dealer adverts for 858 Audi A6 Saloon cars across different ages and specifications. It first appeared in our advert records 15 days ago. The government's MOT record matches its advertised mileage. You can find this car at Kennedy Cars in Glasgow. 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: £268 (2%) over the AskCar estimate of £12,727.

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 15 days.

Price history

AskCar first saw this advert on 18 October 2026 at £12,995. 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 12 February 2027.

It failed its MOT on 12 February 2026 (nearside front tyre tread depth below requirements of 1.6mm) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 86,366 miles, which matches the advertised 98,000 miles.

Advertised mileage is about 28,500 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: 92,000 miles. Price: £13,488, £493 more than this car. Dealer: Auto Group in Wembley. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-9bf241e19b27
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 82,966 miles. Price: £14,795, £1,800 more than this car. Dealer: Mick Partlett Car Sales in Witney. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-d9aa1e69afe9
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 82,137 miles. Price: £13,950, £955 more than this car. Dealer: Rainford Cars in Ellesmere Port. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-5e3c02df866f

• The nearest: 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, blue, 48 miles from this car. Mileage: 57,250 miles. Price: £13,394, £399 more than this car. Dealer: Lambert Ford in Leven. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-1d0438354161