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: 82,137 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

With 82,137 miles on the clock, this 2018 Audi A6 Saloon S Line has done roughly 12,600 more miles than a typical 2018 Audi A6 Saloon. Its asking price of £13,950 is £243 below the AskCar estimate of £14,193. To work out the AskCar estimate, we analyse UK dealer adverts for 858 Audi A6 Saloon cars across different ages and specifications. The asking price is now £1,800 lower than when we first recorded the advert 158 days ago. Our records show an MOT expiry date of 31 August 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. You can find this car at Rainford Cars in Ellesmere Port. 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: £243 (1%) under the AskCar estimate of £14,193.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £15,750. Its asking price is now £13,950, £1,800 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 29 May 2026: £15,750
• 27 July 2026: £15,000
• 8 October 2026: £14,250
• 20 October 2026: £13,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 31 August 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 1 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 64,276 miles, which matches the advertised 82,137 miles.

Advertised mileage is about 12,600 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, black. Mileage: 82,966 miles. Price: £14,795, £845 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, grey. Mileage: 80,618 miles. Price: £15,995, £2,045 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, white. Mileage: 80,000 miles. Price: £10,980, £2,970 less than this car. Dealer: Motonet.com in Coventry. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-9dca2055f1f2

• The nearest: 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, black, 3 miles from this car. Mileage: 12,900 miles. Price: £21,250, £7,300 more than this car. Dealer: Group 1 Automotive Cheshire Oaks Audi in Ellesmere Port. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-10b44af84f3d