2018 Audi A6 Avant 2.0 TDI ultra Black Edition

Price: £12,990. Fair price: £232 (1%) under the AskCar estimate of £13,222, our expected asking price for this car from its model, age, mileage and specification, drawing on 774 priced Audi A6 Avant adverts on AskCar as of 4 November 2026.

AskCar lists 794 used Audi A6 Avant from 586 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: A6 Avant
  • Trim: Black Edition
  • Version: 2.0 TDI ultra Black Edition S tronic FWD Euro 6 (s/s) 5dr (187 bhp)
  • Year: 2018
  • Mileage: 101,601 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: 121 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Avant Black Edition is advertised with 101,601 miles, approximately 18,000 above the typical mileage for its age. Its asking price of £12,990 is £232 below the AskCar estimate of £13,222. To work out the AskCar estimate, we analyse UK dealer adverts for 774 Audi A6 Avant cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 160 days, and its asking price has been cut by £1,790. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by West Brook Car Sales in Peterborough. 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: £232 (1%) under the AskCar estimate of £13,222.

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 774 priced Audi A6 Avant adverts across different ages and specifications, as of 4 November 2026.

A 2018 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £14,700: the median of the 48 for sale on AskCar, as of 4 November 2026.

Time on sale

The dealer may accept less. This 2018 Audi A6 Avant has been on sale for at least 160 days, and its asking price has been cut by £1,790. 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 1 October 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £14,780. Its asking price is now £12,990, £1,790 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

  • 28 May 2026: £14,780
  • 3 June 2026: £14,730
  • 17 June 2026: £14,490
  • 22 July 2026: £13,990
  • 2 August 2026: £13,850
  • 6 August 2026: £13,690
  • 5 October 2026: £13,290
  • 15 October 2026: £12,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 15 November 2026.

It has had 6 MOTs. The latest, on 15 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 93,544 miles, which matches the advertised 101,601 miles.

Advertised mileage is about 18,000 miles higher than the median mileage of a 2018 Audi A6 Avant on AskCar.

Similar cars

14 other 2018 Audi A6 Avant Black Edition 2.0 diesel automatic estates are for sale at UK dealers, from £11,995 to £21,495, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, blue. Mileage: 102,026 miles. Price: £12,995, the same price as this car. Dealer: Moss Prestige in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-3e9c31374e22
  • 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, white. Mileage: 99,000 miles. Price: £13,495, £505 more than this car. Dealer: Lodge Car Sales in Wednesbury. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-f42b4eecb4c9
  • 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 97,000 miles. Price: £13,450, £460 more than this car. Dealer: Cambridgeshire Motor House in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-314ba5a49b93

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

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Photos

71 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.