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: 82,966 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 82,966 miles on the clock, this 2018 Audi A6 Saloon S Line has done roughly 13,500 more miles than a typical 2018 Audi A6 Saloon. Priced at £14,795, it is advertised £683 above the AskCar estimate of £14,112. The AskCar estimate uses 858 UK dealer adverts for the Audi A6 Saloon, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 39 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Mick Partlett Car Sales in Witney. 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: £683 (4%) over the AskCar estimate of £14,112.

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 39 days.

Price history

AskCar first saw this advert on 24 September 2026 at £14,795. 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 13 August 2027.

It has had 7 MOTs. The latest, on 14 August 2026, passed.

Advisories at the latest test: rear tyre slightly damaged/cracking or perishing both.

Mileage at that test: 81,650 miles, which matches the advertised 82,966 miles.

Advertised mileage is about 13,500 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, black. Mileage: 82,137 miles. Price: £13,950, £845 less than this car. Dealer: Rainford Cars in Ellesmere Port. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-5e3c02df866f
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 80,618 miles. Price: £15,995, £1,200 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, £3,815 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, 35 miles from this car. Mileage: 120,515 miles. Price: £12,990, £1,805 less than this car. Dealer: Autohaven Motors in High Wycombe. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-2b4b595c442b