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: 53,099 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 53,099 miles, this 2018 Audi A6 Saloon S Line has covered about 16,400 fewer miles than other 2018 Audi A6 Saloon cars. The AskCar estimate for this car is £17,117. It is priced at £16,175, which is £942 below that estimate. The AskCar estimate uses UK dealer asking prices, including 858 Audi A6 Saloon adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 105 days ago. Its asking price has since fallen by £1,825. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Carpoint UK Motor Company in Newport. 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: £942 (5%) under the AskCar estimate of £17,117.

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 105 days.

Price history

AskCar first saw this advert on 20 July 2026 at £18,000. Its asking price is now £16,175, £1,825 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 20 July 2026: £18,000
• 25 July 2026: £17,699
• 26 July 2026: £17,499
• 27 July 2026: £17,450
• 30 July 2026: £17,399
• 2 August 2026: £17,350
• 5 August 2026: £17,299
• 7 August 2026: £17,250
• 11 August 2026: £17,000
• 13 August 2026: £16,950
• 17 August 2026: £17,299
• 19 August 2026: £17,199
• 23 August 2026: £17,000
• 25 August 2026: £16,999
• 7 September 2026: £16,950
• 13 September 2026: £16,899
• 21 September 2026: £17,299
• 22 September 2026: £17,250
• 24 September 2026: £17,000
• 26 September 2026: £16,950
• 30 September 2026: £16,899
• 2 October 2026: £16,850
• 7 October 2026: £16,799
• 8 October 2026: £16,750
• 10 October 2026: £16,699
• 15 October 2026: £16,650
• 16 October 2026: £16,499
• 18 October 2026: £16,450
• 20 October 2026: £16,399
• 23 October 2026: £16,350
• 28 October 2026: £16,250
• 2 November 2026: £16,175

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 9 December 2026.

It has had 6 MOTs. The latest, on 13 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 48,951 miles, which matches the advertised 53,099 miles.

Advertised mileage is about 16,400 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, blue. Mileage: 54,000 miles. Price: £17,000, £825 more than this car. Dealer: Stratus in Basingstoke. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-2895fd2b12d5
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 49,227 miles. Price: £17,849, £1,674 more than this car. Dealer: TU Motors in Luton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-5c1118e2ae93
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, blue. Mileage: 57,250 miles. Price: £13,394, £2,781 less than this car. Dealer: Lambert Ford in Leven. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-1d0438354161

• The nearest: 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, grey, 20 miles from this car. Mileage: 79,000 miles. Price: £12,494, £3,681 less than this car. Dealer: Vivian Price Cars in Kingswood and Fishponds. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-30a46654f853