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: 66,614 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: White
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Avant Black Edition is advertised with 66,614 miles, approximately 16,300 below the typical mileage for its age. Priced at £21,495, it is advertised £3,642 above the AskCar estimate of £17,853. The AskCar estimate uses 778 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 29 days. The recorded MOT expired on 29 September 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Bainbridge Motoring in Perth. 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

Above the going rate: £3,642 (20%) over the AskCar estimate of £17,853.

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

This 2018 Audi A6 Avant has been on sale for at least 29 days.

Price history

AskCar first saw this advert on 4 October 2026 at £19,995. Its asking price is now £21,495, £1,500 more.

Price changes recorded:

• 4 October 2026: £19,995
• 7 October 2026: £21,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 29 September 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 30 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 61,219 miles, which matches the advertised 66,614 miles.

Advertised mileage is about 16,300 miles lower 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 £18,495, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, red. Mileage: 67,370 miles. Price: £16,975, £4,520 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, red. Mileage: 64,000 miles. Price: £18,495, £3,000 less than this car. Dealer: Arrow Motor Company in Darlington. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-cb886a3b8498
• 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, black. Mileage: 56,333 miles. Price: £16,995, £4,500 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, red, 70 miles from this car. Mileage: 80,784 miles. Price: £14,649, £6,846 less than this car. Dealer: Greendale Car Sales in Hawick. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-08f5a7fe54b5