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: 87,000 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 141 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Avant Black Edition has covered 87,000 miles, around 4,100 more miles than is typical for its age. The AskCar estimate for this car is £15,358. It is priced at £15,950, which is £592 above that estimate. The AskCar estimate draws on 778 Audi A6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 7 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Windmill Motors in Bourne. 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: £592 (3%) over the AskCar estimate of £15,358.

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 7 days.

Price history

AskCar first saw this advert on 26 October 2026 at £15,950. 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 30 June 2027.

It has had 8 MOTs. The latest, on 18 June 2026, passed.

Advisories at the latest test: nearside front upper suspension arm pin or bush worn but not resulting in excessive movement both control arm bushes perished and cracked; nearside front lower suspension arm pin or bush worn but not resulting in excessive movement both control arm bushes perished and cracked; offside front upper suspension arm pin or bush worn but not resulting in excessive movement both control arm bushes perished and cracked; and 1 more.

Mileage at that test: 83,605 miles, which matches the advertised 87,000 miles.

Advertised mileage is about 4,100 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, white. Mileage: 90,084 miles. Price: £13,825, £2,125 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, grey. Mileage: 83,606 miles. Price: £14,225, £1,725 less than this car. Dealer: JCT600 Boston Audi in Boston. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-038ebba4098a
• 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, white. Mileage: 82,921 miles. Price: £15,249, £701 less than this car. Dealer: Pine Lodge Cars in Whitchurch. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-7625802f67f4

• The nearest: 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, red, 11 miles from this car. Mileage: 67,370 miles. Price: £16,975, £1,025 more 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