2021 Audi A6 Saloon 2.0 TDI Black Edition

Overview

• Make: Audi
• Model: A6 Saloon
• Trim: Black Edition
• Version: 2.0 TDI 40 Black Edition S tronic 4WD Euro 6 (s/s) 4dr (201 bhp)
• Year: 2021
• Mileage: 36,244 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 152 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 36,244 miles on the clock, this 2021 Audi A6 Saloon Black Edition has done roughly 20,800 fewer miles than a typical 2021 Audi A6 Saloon. Priced at £20,800, it is advertised £3,199 below the AskCar estimate of £23,999. The AskCar estimate uses UK dealer asking prices, including 858 Audi A6 Saloon adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 104 days ago, the asking price has dropped by £3,000. The government's MOT record matches its advertised mileage. You can find this car at Car Planet Barnet in New Southgate. 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

Good value: £3,199 (13%) under the AskCar estimate of £23,999.

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 858 priced Audi A6 Saloon adverts across different ages and specifications, as of 2 November 2026.

A 2021 Audi A6 Saloon with the 2.0 diesel engine is typically advertised at £18,500: the median of the 80 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi A6 Saloon has been on sale for at least 104 days.

Price history

AskCar first saw this advert on 21 July 2026 at £23,800. Its asking price is now £20,800, £3,000 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 21 July 2026: £23,800
• 4 August 2026: £23,500
• 10 August 2026: £23,350
• 18 August 2026: £23,050
• 25 August 2026: £22,850
• 1 September 2026: £22,800
• 8 September 2026: £22,750
• 15 September 2026: £22,800
• 22 September 2026: £22,500
• 28 September 2026: £22,200
• 4 October 2026: £21,900
• 9 October 2026: £21,600
• 16 October 2026: £21,300
• 21 October 2026: £21,100
• 28 October 2026: £20,800

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 has had 3 MOTs. The latest, on 29 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,237 miles, which matches the advertised 36,244 miles.

Advertised mileage is about 20,800 miles lower than the median mileage of a 2021 Audi A6 Saloon on AskCar.

Similar cars

21 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 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A6 Saloon Black Edition, 2.0 diesel saloon, black. Mileage: 35,793 miles. Price: £25,500, £4,700 more than this car. Dealer: Hawco Group in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-08592dd722fd
• 2021 Audi A6 Saloon Black Edition, 2.0 diesel saloon, grey. Mileage: 34,000 miles. Price: £23,995, £3,195 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-a9c585866999
• 2021 Audi A6 Saloon Black Edition, 2.0 diesel saloon, grey. Mileage: 40,155 miles. Price: £25,000, £4,200 more than this car. Dealer: ESP Cars in Long Eaton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-2d3a4ab055ba

• The nearest: 2021 Audi A6 Saloon Black Edition, 2.0 diesel saloon, blue, 8 miles from this car. Mileage: 63,000 miles. Price: £18,450, £2,350 less than this car. Dealer: Motor Lounge in Radlett. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-731efab8daec