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: 67,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2018 Audi A6 Saloon S Line is 67,000 miles. Its asking price of £15,990 is £242 above the AskCar estimate of £15,748. The AskCar estimate uses 858 UK dealer adverts for the Audi A6 Saloon, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 38 days ago. The latest MOT recorded 90,449 miles, above the advertised mileage. Check this with the dealer. Its recorded MOT is valid until 1 June 2027. You can find this car at EMC in Epping. 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: £242 (1%) over the AskCar estimate of £15,748.

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 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £15,990. 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 1 June 2027.

It has had 9 MOTs. The latest, on 2 June 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; front brake pad(s) wearing thin.

Mileage at that test: 90,449 miles. The advert says 67,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 2,500 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, white. Mileage: 66,000 miles. Price: £16,949, £959 more than this car. Dealer: Donnelly Automotive in Ballymena. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-5d52e24c6e9f
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, white. Mileage: 63,018 miles. Price: £16,799, £809 more than this car. Dealer: Bridgend Motor Group in Gateshead. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-2cc6a5929ee8
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, white. Mileage: 62,456 miles. Price: £16,998, £1,008 more than this car. Dealer: Arnold Clark Wallsend Silverlink Citroen / Peugeot / Jeep / OMODA / JAECOO in Wallsend. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-074b54a9e035

• The nearest: 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, grey, 12 miles from this car. Mileage: 115,000 miles. Price: £7,995, £7,995 less than this car. Dealer: Driveaway N11 in London. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-72d353d57b7b