2021 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 FWD Euro 6 5dr (201 bhp)
• Year: 2021
• Mileage: 60,800 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 60,800 miles on the clock, this 2021 Audi A6 Avant Black Edition has done roughly 9,200 more miles than a typical 2021 Audi A6 Avant. Its asking price of £22,750 is £421 above the AskCar estimate of £22,329. The AskCar estimate uses UK dealer asking prices, including 785 Audi A6 Avant adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 35 days ago, and its asking price has since fallen by £4,240. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Audi Approved Aylesbury, based in Aylesbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £421 (1%) over the AskCar estimate of £22,329.

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 785 priced Audi A6 Avant adverts across different ages and specifications, as of 5 November 2026.

A 2021 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £22,400: the median of the 37 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 Audi A6 Avant has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 1 October 2026 at £26,990. Its asking price is now £22,750, £4,240 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 1 October 2026: £26,990
• 4 October 2026: £22,990
• 16 October 2026: £22,950
• 29 October 2026: £22,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 4 April 2027.

It has had 3 MOTs. The latest, on 1 April 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin; nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 55,331 miles, which matches the advertised 60,800 miles.

Advertised mileage is about 9,200 miles higher than the median mileage of a 2021 Audi A6 Avant on AskCar.

Similar cars

15 other 2021 Audi A6 Avant Black Edition 2.0 diesel automatic estates are for sale at UK dealers, from £17,985 to £26,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, grey. Mileage: 61,000 miles. Price: £22,999, £249 more than this car. Dealer: DRB Car Sales in Tavistock. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-0a80d388f9db
• 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, black. Mileage: 55,006 miles. Price: £23,250, £500 more than this car. Dealer: Harpers Cumbria in Carlisle. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-68320c0fb6de
• 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, black. Mileage: 54,176 miles. Price: £22,386, £364 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-2b6e59983993

• The nearest: 2021 Audi A6 Avant Black Edition, 2.0 diesel estate, black, 3 miles from this car. Mileage: 36,461 miles. Price: £24,999, £2,249 more than this car. Dealer: Carherts in Aylesbury. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-bc6869867511