2018 Audi A6 Saloon 3.0 TDI V6 S Line

Overview

• Make: Audi
• Model: A6 Saloon
• Trim: S Line
• Version: 3.0 TDI V6 50 S Line Tiptronic 4WD Euro 6 (s/s) 4dr (282 bhp)
• Year: 2018
• Mileage: 49,019 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: White
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 49,019 miles, this 2018 Audi A6 Saloon S Line has covered about 18,700 fewer miles than other 2018 Audi A6 Saloon cars. The AskCar estimate for this car is £20,747. It is priced at £22,700, which is £1,953 above that estimate. The AskCar estimate uses UK dealer asking prices, including 874 Audi A6 Saloon adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by F.a. Roper in West Yorkshire. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,953 (9%) over the AskCar estimate of £20,747.

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 874 priced Audi A6 Saloon adverts across different ages and specifications, as of 4 November 2026.

A 2018 Audi A6 Saloon with the 3.0 diesel engine is typically advertised at £18,000: the median of the 15 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2018 Audi A6 Saloon advertised today. About 4 in 10 of 2018 Audi A6 Saloon cars are gone from sale within a month of being advertised: 31 of the 80 first advertised between 12 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £22,700. 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 4 November 2026: valid until 24 February 2027.

It has had 6 MOTs. The latest, on 11 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 46,435 miles, which matches the advertised 49,019 miles.

Advertised mileage is about 18,700 miles lower than the median mileage of a 2018 Audi A6 Saloon on AskCar.

Similar cars

12 other 2018 Audi A6 Saloon S Line 3.0 diesel automatic saloons are for sale at UK dealers, from £11,490 to £21,498, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A6 Saloon S Line, 3.0 diesel saloon, grey. Mileage: 53,558 miles. Price: £19,750, £2,950 less than this car. Dealer: WRC Sales in Carlisle. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-272a46190f34
• 2018 Audi A6 Saloon S Line, 3.0 diesel saloon, white. Mileage: 60,450 miles. Price: £19,250, £3,450 less than this car. Dealer: Blackline Motors in Oldham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-b40b1a5fc07c
• 2018 Audi A6 Saloon S Line, 3.0 diesel saloon, black. Mileage: 60,772 miles. Price: £18,995, £3,705 less than this car. Dealer: Top Gear Harrow in Harrow. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-c789392b21e0

• The nearest: 2018 Audi A6 Saloon S Line, 3.0 diesel saloon, grey, 20 miles from this car. Mileage: 131,000 miles. Price: £11,490, £11,210 less than this car. Dealer: 2Us 4 Cars in Bacup. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-d402cfcc7af3