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: 60,450 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

This 2018 Audi A6 Saloon S Line is advertised with 60,450 miles, approximately 9,100 below the typical mileage for its age. The AskCar estimate for this car is £19,602. It is priced at £19,250, which is £352 below that estimate. The AskCar estimate draws on 858 Audi A6 Saloon adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 11 days ago. The government's MOT record matches its advertised mileage. You can find this car at Blackline Motors in Oldham. 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: £352 (1%) under the AskCar estimate of £19,602.

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 3.0 diesel engine is typically advertised at £17,500: the median of the 13 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Audi A6 Saloon has been on sale for at least 11 days.

Price history

AskCar first saw this advert on 22 October 2026 at £19,250. 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 10 July 2027.

It has had 6 MOTs. The latest, on 16 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 59,384 miles, which matches the advertised 60,450 miles.

Advertised mileage is about 9,100 miles lower than the median mileage of a 2018 Audi A6 Saloon on AskCar.

Similar cars

10 other 2018 Audi A6 Saloon S Line 3.0 diesel automatic saloons are for sale at UK dealers, from £11,490 to £21,998, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A6 Saloon S Line, 3.0 diesel saloon, black. Mileage: 60,772 miles. Price: £18,995, £255 less than this car. Dealer: Top Gear Harrow in Harrow. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-c789392b21e0
• 2018 Audi A6 Saloon S Line, 3.0 diesel saloon, black. Mileage: 61,000 miles. Price: £18,540, £710 less than this car. Dealer: Smart Wheel Motors in Uxbridge. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-13bc2ab6554a
• 2018 Audi A6 Saloon S Line, 3.0 diesel saloon, black. Mileage: 74,434 miles. Price: £18,999, £251 less than this car. Dealer: Webuycarsformore.com in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-ae5dc8b2fffe

• The nearest: 2018 Audi A6 Saloon S Line, 3.0 diesel saloon, grey, 12 miles from this car. Mileage: 131,000 miles. Price: £11,490, £7,760 less than this car. Dealer: 2Us 4 Cars in Bacup. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-d402cfcc7af3