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: 116,650 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Saloon S Line is advertised with 116,650 miles, approximately 48,900 above the typical mileage for its age. The AskCar estimate for this car is £13,429. It is priced at £13,990, which is £561 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 for 5 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Harvey Cooper Cars, based in Ripon. 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

Fair price: £561 (4%) over the AskCar estimate of £13,429.

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 5 days ago. 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 30 October 2026 at £13,990. 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 14 December 2026.

It has had 5 MOTs. The latest, on 28 November 2025, passed.

Advisories at the latest test: offside rear suspension spring mounting prescribed area is corroded but not considered excessive; nearside rear suspension spring mounting prescribed area is corroded but not considered excessive; offside front tyre worn close to legal limit/worn on edge; and 4 more.

Mileage at that test: 99,537 miles, which matches the advertised 116,650 miles.

Advertised mileage is about 48,900 miles higher 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 £22,700, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A6 Saloon S Line, 3.0 diesel saloon, white. Mileage: 103,347 miles. Price: £15,494, £1,504 more than this car. Dealer: Alisons Automotive Group in Cam. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-c60d46fecc22
• 2018 Audi A6 Saloon S Line, 3.0 diesel saloon, grey. Mileage: 131,000 miles. Price: £11,490, £2,500 less than this car. Dealer: 2Us 4 Cars in Bacup. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-d402cfcc7af3
• 2018 Audi A6 Saloon S Line, 3.0 diesel saloon, black. Mileage: 91,370 miles. Price: £15,456, £1,466 more than this car. Dealer: SR Motors in Swindon. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-1264248cfbfe

• The nearest: 2018 Audi A6 Saloon S Line, 3.0 diesel saloon, white, 28 miles from this car. Mileage: 49,019 miles. Price: £22,700, £8,710 more than this car. Dealer: F.a. Roper in Wyke. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-1e2ac1ef4b40