2018 Audi A6 Avant 2.0 TDI ultra Black Edition

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: 90,084 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 121 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Avant Black Edition is advertised with 90,084 miles, approximately 7,200 above the typical mileage for its age. Its asking price of £13,825 is £568 below the AskCar estimate of £14,393. To work out the AskCar estimate, we analyse UK dealer adverts for 778 Audi A6 Avant cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 73 days, and its asking price has been cut by £570. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Rishton Auto Care, based in Blackburn. 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: £568 (3%) under the AskCar estimate of £14,393.

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 778 priced Audi A6 Avant adverts across different ages and specifications, as of 2 November 2026.

A 2018 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £14,700: the median of the 50 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2018 Audi A6 Avant has been on sale for at least 73 days, and its asking price has been cut by £570. About half of 2018 Audi A6 Avant cars are gone from sale within a month of being advertised: 29 of the 58 first advertised between 13 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 21 August 2026 at £14,395. Its asking price is now £13,825, £570 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 21 August 2026: £14,395
• 5 September 2026: £14,350
• 10 September 2026: £14,295
• 16 September 2026: £14,250
• 22 September 2026: £14,195
• 27 September 2026: £13,995
• 1 October 2026: £13,950
• 6 October 2026: £13,895
• 23 October 2026: £13,850
• 30 October 2026: £13,825

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 June 2027.

It has had 6 MOTs. The latest, on 8 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 87,613 miles, which matches the advertised 90,084 miles.

Advertised mileage is about 7,200 miles higher than the median mileage of a 2018 Audi A6 Avant on AskCar.

Similar cars

15 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 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 87,000 miles. Price: £15,950, £2,125 more than this car. Dealer: Windmill Motors in Bourne. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-212e63df4dc5
• 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 94,000 miles. Price: £14,495, £670 more than this car. Dealer: Arrow Motor Company in Darlington. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-5e8bfcea5a50
• 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 83,606 miles. Price: £14,225, £400 more than this car. Dealer: JCT600 Boston Audi in Boston. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-038ebba4098a

• The nearest: 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, blue, 27 miles from this car. Mileage: 102,026 miles. Price: £12,995, £830 less than this car. Dealer: Moss Prestige in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-3e9c31374e22