2018 Audi A6 Saloon 2.0 TDI S Line

Overview

• Make: Audi
• Model: A6 Saloon
• Trim: S Line
• Version: 2.0 TDI S Line S tronic 4WD Euro 6 4dr (187 bhp)
• Year: 2018
• Mileage: 115,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 115,000 miles, this 2018 Audi A6 Saloon S Line has covered about 45,500 more miles than other 2018 Audi A6 Saloon cars. Its asking price of £7,995 is £2,032 below the AskCar estimate of £10,027. The AskCar estimate uses 858 UK dealer adverts for the Audi A6 Saloon, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 99 days ago. Its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Driveaway N11, based in New Southgate. 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

Good value: £2,032 (20%) under the AskCar estimate of £10,027.

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 99 days.

Price history

AskCar first saw this advert on 26 July 2026 at £9,995. Its asking price is now £7,995, £2,000 less. The latest price cut was seen on 25 September 2026.

Price changes recorded:

• 26 July 2026: £9,995
• 25 September 2026: £7,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 July 2027.

It has had 6 MOTs. The latest, on 8 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 115,000 miles, which matches the advertised 115,000 miles.

Advertised mileage is about 45,500 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 £8,950 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: 120,515 miles. Price: £12,990, £4,995 more than this car. Dealer: Autohaven Motors in High Wycombe. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-2b4b595c442b
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 121,258 miles. Price: £11,995, £4,000 more than this car. Dealer: Carzy in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-0edc5e86d7a0
• 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, white. Mileage: 98,000 miles. Price: £12,995, £5,000 more than this car. Dealer: Kennedy Cars in Bargeddie. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-6287ca86409d

• The nearest: 2018 Audi A6 Saloon S Line, 2.0 diesel saloon, grey, 8 miles from this car. Mileage: 92,000 miles. Price: £13,488, £5,493 more than this car. Dealer: Auto Group in Wembley. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-9bf241e19b27