2018 Audi A6 Saloon 2.0 TDI ultra SE Executive

Overview

• Make: Audi
• Model: A6 Saloon
• Trim: SE Executive
• Version: 2.0 TDI ultra SE Executive S tronic FWD Euro 6 (s/s) 4dr (187 bhp)
• Year: 2018
• Mileage: 126,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 109 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 126,000 miles on the clock, this 2018 Audi A6 Saloon SE Executive has done roughly 58,300 more miles than a typical 2018 Audi A6 Saloon. Its asking price of £8,495 is £336 above the AskCar estimate of £8,159. The AskCar estimate uses UK dealer asking prices, including 871 Audi A6 Saloon adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 161 days ago, the asking price has dropped by £250. Our latest MOT record expired on 22 May 2026. Check the current position with the dealer. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at AutoMart Car Sales in Sunbury on Thames. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £336 (4%) over the AskCar estimate of £8,159.

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 871 priced Audi A6 Saloon adverts across different ages and specifications, as of 5 November 2026.

A 2018 Audi A6 Saloon with the 2.0 diesel engine is typically advertised at £14,800: the median of the 54 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 Audi A6 Saloon has been on sale for at least 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £8,745. Its asking price is now £8,495, £250 less. The latest price cut was seen on 13 October 2026.

Price changes recorded:

• 28 May 2026: £8,745
• 3 June 2026: £8,995
• 2 July 2026: £8,945
• 5 August 2026: £8,995
• 13 September 2026: £8,495
• 20 September 2026: £8,995
• 13 October 2026: £8,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 22 May 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 14 May 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 125,185 miles, which matches the advertised 126,000 miles.

Advertised mileage is about 58,300 miles higher than the median mileage of a 2018 Audi A6 Saloon on AskCar.

Similar cars

2 other 2018 Audi A6 Saloon SE Executive 2.0 diesel automatic saloons are for sale at UK dealers, from £7,775 to £10,200, as of 5 November 2026.

The 2 closest to this car in mileage:

• 2018 Audi A6 Saloon SE Executive, 2.0 diesel saloon, black. Mileage: 119,545 miles. Price: £7,775, £720 less than this car. Dealer: Trade Car Sales in Bury. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-f37a211c86f6
• 2018 Audi A6 Saloon SE Executive, 2.0 diesel saloon, white. Mileage: 84,506 miles. Price: £10,200, £1,705 more than this car. Dealer: Traxler's Auto in Swanley. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-5e8cd8856ec7