2018 Audi A6 Avant 2.0 TDI Black Edition

Overview

• Make: Audi
• Model: A6 Avant
• Trim: Black Edition
• Version: 2.0 TDI Black Edition S tronic 4WD Euro 6 5dr (187 bhp)
• Year: 2018
• Mileage: 64,000 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Red
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 64,000 miles on the clock, this 2018 Audi A6 Avant Black Edition has done roughly 19,600 fewer miles than a typical 2018 Audi A6 Avant. The AskCar estimate for this car is £18,225. It is priced at £18,495, which is £270 above that estimate. The AskCar estimate uses 774 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 12 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Arrow Motor Company in Darlington. 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: £270 (1%) over the AskCar estimate of £18,225.

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

This 2018 Audi A6 Avant has been on sale for at least 12 days.

Price history

AskCar first saw this advert on 23 October 2026 at £18,495. 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 16 April 2027.

It has had 7 MOTs. The latest, on 17 April 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 62,894 miles, which matches the advertised 64,000 miles.

Advertised mileage is about 19,600 miles lower 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, white. Mileage: 66,614 miles. Price: £21,495, £3,000 more than this car. Dealer: Bainbridge Motoring in Perth. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-d9532f29fef1
• 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, red. Mileage: 67,370 miles. Price: £16,975, £1,520 less than this car. Dealer: Junction 17 Cars Limited t/a Junction 17 Cars (Grantham) in Grantham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-724c0dbd5a37
• 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, black. Mileage: 56,333 miles. Price: £16,995, £1,500 less than this car. Dealer: Hawco Elgin in Elgin. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-27f3779deed2

• The nearest: 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, grey, under a mile from this car. Mileage: 94,000 miles. Price: £14,495, £4,000 less than this car. Dealer: Arrow Motor Company in Darlington. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-5e8bfcea5a50