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: 80,568 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: 141 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A6 Avant Black Edition is advertised with 80,568 miles, approximately 2,400 below the typical mileage for its age. The AskCar estimate for this car is £16,105. It is priced at £15,790, which is £315 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 778 Audi A6 Avant cars across different ages and specifications. The asking price is now £200 lower than when we first recorded the advert 14 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Stratstone Tamworth Audi, based in Tamworth. 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: £315 (1%) under the AskCar estimate of £16,105.

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 14 days.

Price history

AskCar first saw this advert on 19 October 2026 at £15,990. Its asking price is now £15,790, £200 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 19 October 2026: £15,990
• 27 October 2026: £15,790

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 June 2027.

It failed its MOT on 16 June 2026 (offside front tyre has a bulge, caused by separation or partial failure of its structure) and passed 1 day later, on 17 June 2026.

Advisories at the latest test: front lower suspension arm pin or bush worn but not resulting in excessive movement guide links both sides.

Mileage at that test: 79,001 miles, which matches the advertised 80,568 miles.

Advertised mileage is about 2,400 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 £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, red. Mileage: 80,784 miles. Price: £14,649, £1,141 less than this car. Dealer: Greendale Car Sales in Hawick. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-08f5a7fe54b5
• 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, white. Mileage: 82,921 miles. Price: £15,249, £541 less than this car. Dealer: Pine Lodge Cars in Whitchurch. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-7625802f67f4
• 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 83,606 miles. Price: £14,225, £1,565 less than this car. Dealer: JCT600 Boston Audi in Boston. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-038ebba4098a

• The nearest: 2018 Audi A6 Avant Black Edition, 2.0 diesel estate, white, 14 miles from this car. Mileage: 99,000 miles. Price: £13,495, £2,295 less than this car. Dealer: Lodge Car Sales in Wednesbury. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-f42b4eecb4c9