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: 94,000 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 121 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Avant Black Edition is advertised with 94,000 miles, approximately 11,100 above the typical mileage for its age. The dealer is asking £14,495, which is £513 above the AskCar estimate of £13,982. To work out the AskCar estimate, we analyse UK dealer adverts for 778 Audi A6 Avant cars across different ages and specifications. We first recorded this car for sale 30 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arrow Motor Company, based in Darlington. 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: £513 (3%) over the AskCar estimate of £13,982.

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 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £14,495. 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 2 November 2026: valid until 28 March 2027.

It has had 8 MOTs. The latest, on 13 March 2026, passed.

Advisories at the latest test: offside rear brake disc worn, pitted or scored, but not seriously weakened; offside rear outer brake pad(s) wearing thin.

Mileage at that test: 91,499 miles, which matches the advertised 94,000 miles.

Advertised mileage is about 11,100 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: 97,000 miles. Price: £13,450, £1,045 less than this car. Dealer: Cambridgeshire Motor House in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-314ba5a49b93
• 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, white. Mileage: 90,084 miles. Price: £13,825, £670 less than this car. Dealer: Rishton Auto Care in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-efe692cc3e9f
• 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, white. Mileage: 99,000 miles. Price: £13,495, £1,000 less than this car. Dealer: Lodge Car Sales in Wednesbury. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-f42b4eecb4c9

• The nearest: 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, red, under a mile from this car. Mileage: 64,000 miles. Price: £18,495, £4,000 more than this car. Dealer: Arrow Motor Company in Darlington. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-cb886a3b8498