2018 Audi A6 Avant 3.0 Black Edition

Overview

• Make: Audi
• Model: A6 Avant
• Trim: Black Edition
• Version: 3.0 TDI Black Edition S tronic 4WD Euro 6 5dr (268 bhp)
• Year: 2018
• Mileage: 45,986 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 268 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Red
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 45,986 miles on the clock, this 2018 Audi A6 Avant Black Edition has done roughly 37,700 fewer miles than a typical 2018 Audi A6 Avant. The dealer is asking £23,495, which is £990 above the AskCar estimate of £22,505. To work out the AskCar estimate, we analyse UK dealer adverts for 783 Audi A6 Avant cars across different ages and specifications. Since we first spotted the advert 7 days ago, the asking price has dropped by £500. The government's MOT record matches its advertised mileage. It is advertised by Reciprocal Motors in Ferndown. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £990 (4%) over the AskCar estimate of £22,505.

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 783 priced Audi A6 Avant adverts across different ages and specifications, as of 6 November 2026.

A 2018 Audi A6 Avant with the 3.0 diesel engine is typically advertised at £18,600: the median of the 11 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 Audi A6 Avant has been on sale for at least 7 days.

Price history

AskCar first saw this advert on 30 October 2026 at £23,995. Its asking price is now £23,495, £500 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 30 October 2026: £23,995
• 31 October 2026: £23,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 27 November 2026.

It has had 6 MOTs. The latest, on 28 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 36,191 miles, which matches the advertised 45,986 miles.

Advertised mileage is about 37,700 miles lower than the median mileage of a 2018 Audi A6 Avant on AskCar.

Similar cars

4 other 2018 Audi A6 Avant Black Edition 3.0 diesel automatic estates are for sale at UK dealers, from £14,750 to £20,000, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A6 Avant Black Edition, 3.0 diesel estate, blue. Mileage: 55,258 miles. Price: £20,000, £3,495 less than this car. Dealer: Savannah in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-6623e2aee9a2
• 2018 Audi A6 Avant Black Edition, 3.0 diesel estate, blue. Mileage: 90,000 miles. Price: £15,495, £8,000 less than this car. Dealer: Yardley Motor Trade in Yardley. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-40dfa79d5baa
• 2018 Audi A6 Avant Black Edition, 3.0 diesel estate, blue. Mileage: 95,800 miles. Price: £18,595, £4,900 less than this car. Dealer: Brookfield Autos in Wigan. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-56adbd5c43d4