2018 Audi A6 Avant 2.0 TDI ultra SE Executive

Price: £9,999. Fair price: £380 (3%) over the AskCar estimate of £9,619, our expected asking price for this car from its model, age, mileage and specification, drawing on 785 priced Audi A6 Avant adverts on AskCar as of 5 November 2026.

AskCar lists 810 used Audi A6 Avant from 596 UK dealerships, as of 5 November 2026.

Overview

  • Make: Audi
  • Model: A6 Avant
  • Trim: SE Executive
  • Version: 2.0 TDI ultra SE Executive S tronic FWD Euro 6 (s/s) 5dr (187 bhp)
  • Year: 2018
  • Mileage: 111,175 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 114 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 111,175 miles on the clock, this 2018 Audi A6 Avant SE Executive has done roughly 27,800 more miles than a typical 2018 Audi A6 Avant. The dealer is asking £9,999, which is £380 above the AskCar estimate of £9,619. To work out the AskCar estimate, we analyse UK dealer adverts for 785 Audi A6 Avant cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 161 days, and its asking price has been cut by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is AL Prestige Cars, based in Southampton. 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: £380 (3%) over the AskCar estimate of £9,619.

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

A 2018 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £14,600: the median of the 48 for sale on AskCar, as of 5 November 2026.

Time on sale

The dealer may accept less. This 2018 Audi A6 Avant has been on sale for at least 161 days, and its asking price has been cut by £500. About half of 2018 Audi A6 Avant cars are gone from sale within a month of being advertised: 33 of the 64 first advertised between 13 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £10,499. Its asking price is now £9,999, £500 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 28 May 2026: £10,499
  • 19 July 2026: £10,299
  • 23 October 2026: £9,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 29 March 2027.

It has had 7 MOTs. The latest, on 30 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 111,175 miles, which matches the advertised 111,175 miles.

Advertised mileage is about 27,800 miles higher than the median mileage of a 2018 Audi A6 Avant on AskCar.

Similar cars

7 other 2018 Audi A6 Avant SE Executive 2.0 diesel automatic estates are for sale at UK dealers, from £8,850 to £15,995, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A6 Avant SE Executive, 2.0 diesel estate, white. Mileage: 119,000 miles. Price: £10,750, £751 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-e725299be95e
  • 2018 Audi A6 Avant SE Executive, 2.0 diesel estate, grey. Mileage: 122,000 miles. Price: £8,850, £1,149 less than this car. Dealer: Peak Motors in Whaley Bridge. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-b9b5ca5e9270
  • 2018 Audi A6 Avant SE Executive, 2.0 diesel estate, black. Mileage: 97,118 miles. Price: £10,699, £700 more than this car. Dealer: North West Car Group in Preston. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-e889ea4c792f
  • The nearest: 2018 Audi A6 Avant SE Executive, 2.0 diesel estate, black, 55 miles from this car. Mileage: 50,000 miles. Price: £15,995, £5,996 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-caed0dbc0dbe

Browse all Audi A6 Avant cars for sale · 2018 Audi A6 Avant price guide

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Photos

31 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.