2021 Audi A6 Saloon 2.0 TDI Black Edition

Overview

• Make: Audi
• Model: A6 Saloon
• Trim: Black Edition
• Version: 2.0 TDI Black Edition S tronic FWD Euro 6 4dr 40 (201 bhp)
• Year: 2021
• Mileage: 72,820 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 148 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A6 Saloon Black Edition has covered 72,820 miles, around 18,000 more miles than is typical for its age. Its asking price of £18,842 is £123 below the AskCar estimate of £18,965. The AskCar estimate draws on 875 Audi A6 Saloon adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 21 days ago, the asking price has dropped by £658. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is JCT600 Boston Audi, based in Boston. 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: £123 (under 1%) under the AskCar estimate of £18,965.

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

A 2021 Audi A6 Saloon with the 2.0 diesel engine is typically advertised at £18,400: the median of the 81 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 Audi A6 Saloon has been on sale for at least 21 days.

Price history

AskCar first saw this advert on 16 October 2026 at £19,500. Its asking price is now £18,842, £658 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 16 October 2026: £19,500
• 24 October 2026: £19,291
• 31 October 2026: £18,842

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 13 June 2027.

It has had 3 MOTs. The latest, on 9 June 2026, passed.

Advisories at the latest test: offside rear lower suspension component damaged but not seriously weakened spring mount; central rear registration plate deteriorated but not likely to be misread.

Mileage at that test: 70,104 miles, which matches the advertised 72,820 miles.

Advertised mileage is about 18,000 miles higher than the median mileage of a 2021 Audi A6 Saloon on AskCar.

Similar cars

20 other 2021 Audi A6 Saloon Black Edition 2.0 diesel automatic saloons are for sale at UK dealers, from £14,495 to £25,500, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A6 Saloon Black Edition, 2.0 diesel saloon, blue. Mileage: 74,317 miles. Price: £21,750, £2,908 more than this car. Dealer: Grange Road Motors in Cookstown. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-9f63ac4d4c5a
• 2021 Audi A6 Saloon Black Edition, 2.0 diesel saloon, blue. Mileage: 63,000 miles. Price: £18,450, £392 less than this car. Dealer: Motor Lounge in Radlett. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-731efab8daec
• 2021 Audi A6 Saloon Black Edition, 2.0 diesel saloon, grey. Mileage: 61,140 miles. Price: £20,499, £1,657 more than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-cdbf86fe3018

• The nearest: 2021 Audi A6 Saloon Black Edition, 2.0 diesel saloon, blue, 50 miles from this car. Mileage: 50,508 miles. Price: £20,295, £1,453 more than this car. Dealer: Luks Autohaus in Leicester. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-4cec66437c7c