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: 77,129 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Silver
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Saloon S Line is advertised with 77,129 miles, approximately 9,400 above the typical mileage for its age. Its asking price of £14,500 is £225 below the AskCar estimate of £14,725. The AskCar estimate draws on 872 Audi A6 Saloon adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 100 days ago, and its asking price has since fallen by £500. Our latest MOT record expired on 18 August 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. You can find this car at Riverside Autos in Stowmarket. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £225 (1%) under the AskCar estimate of £14,725.

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 872 priced Audi A6 Saloon adverts across different ages and specifications, as of 7 November 2026.

A 2018 Audi A6 Saloon with the 2.0 diesel engine is typically advertised at £14,800: the median of the 56 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 Audi A6 Saloon has been on sale for at least 100 days.

Price history

AskCar first saw this advert on 30 July 2026 at £15,000. Its asking price is now £14,500, £500 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 30 July 2026: £15,000
• 25 September 2026: £14,750
• 7 November 2026: £14,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 18 August 2026; ask the dealer for the current MOT.

It failed its MOT on 18 August 2025 (engine MIL inoperative or indicates a malfunction; nearside front outer drive shaft joint constant velocity boot severely deteriorated; service brake efficiency below requirements) and passed 1 day later, on 19 August 2025.

Advisories at the latest test: front tyre worn close to legal limit/worn on edge front both; nearside front outer tyre has a cut but not deep enough to reach the ply or cords; nearside front outer drive shaft joint constant velocity boot severely deteriorated.

Mileage at that test: 69,301 miles, which matches the advertised 77,129 miles.

Advertised mileage is about 9,400 miles higher than the median mileage of a 2018 Audi A6 Saloon on AskCar.

Similar cars

32 other 2018 Audi A6 Saloon S Line 2.0 diesel automatic saloons are for sale at UK dealers, from £7,995 to £20,395, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 79,000 miles. Price: £12,494, £2,006 less than this car. Dealer: Vivian Price Cars in Kingswood and Fishponds. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-30a46654f853
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 79,359 miles. Price: £14,795, £295 more than this car. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-a394b22b6df2
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, white. Mileage: 80,000 miles. Price: £10,980, £3,520 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, 50 miles from this car. Mileage: 67,000 miles. Price: £15,990, £1,490 more than this car. Dealer: EMC in Epping. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-58f01d55d3d3