2021 Audi A6 Saloon 2.0 TFSIe S Line

Price: £20,295. Good value: £2,285 (10%) under the AskCar estimate of £22,580, our expected asking price for this car from its model, age, mileage and specification, drawing on 876 priced Audi A6 Saloon adverts on AskCar as of 10 November 2026.

AskCar lists 902 used Audi A6 Saloon from 658 UK dealerships, as of 10 November 2026.

Overview

  • Make: Audi
  • Model: A6 Saloon
  • Trim: S Line
  • Version: 2.0 17.9kWh TFSIe 50 S Line S tronic 4WD Euro 6 (s/s) 4dr (295 bhp)
  • Year: 2021
  • Mileage: 58,100 miles
  • Fuel: Plug-in hybrid (petrol)
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 295 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 29 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 58,100 miles, this 2021 Audi A6 Saloon S Line has covered about 3,800 more miles than other 2021 Audi A6 Saloon cars. Priced at £20,295, it is advertised £2,285 below the AskCar estimate of £22,580. The AskCar estimate draws on 876 Audi A6 Saloon adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is V12 Sports & Classics Ltd -Worksop, based in Worksop. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

V12 Sports & Classics Ltd -Worksop is rated 4.5 out of 5 on Google.

Price

Good value: £2,285 (10%) under the AskCar estimate of £22,580.

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 876 priced Audi A6 Saloon adverts across different ages and specifications, as of 10 November 2026.

A 2021 Audi A6 Saloon with the 2.0 plug-in hybrid engine is typically advertised at £18,600: the median of the 78 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2021 Audi A6 Saloon advertised today. About 4 in 10 of 2021 Audi A6 Saloon cars are gone from sale within a month of being advertised: 43 of the 104 first advertised between 13 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £20,295. 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 10 November 2026: valid until 22 October 2027.

It has had 3 MOTs. The latest, on 23 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 58,006 miles, which matches the advertised 58,100 miles.

Advertised mileage is about 3,800 miles higher than the median mileage of a 2021 Audi A6 Saloon on AskCar.

Similar cars

3 other 2021 Audi A6 Saloon S Line 2.0 plug-in hybrid automatic saloons are for sale at UK dealers, from £12,989 to £22,995, as of 10 November 2026.

The 3 closest to this car in mileage:

  • 2021 Audi A6 Saloon S Line, 2.0 plug-in hybrid saloon, grey. Mileage: 54,000 miles. Price: £22,995, £2,700 more than this car. Dealer: Roadside Motors in Bolton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-f1481c5176db
  • 2021 Audi A6 Saloon S Line, 2.0 plug-in hybrid saloon, blue. Mileage: 120,700 miles. Price: £15,795, £4,500 less than this car. Dealer: Vansco 333 Showroom Southampton in Southampton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-562da90dcc68
  • 2021 Audi A6 Saloon S Line, 2.0 plug-in hybrid saloon, blue. Mileage: 144,000 miles. Price: £12,989, £7,306 less than this car. Dealer: Motorhub in Keighley. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-6adae68adac7

Browse all Audi A6 Saloon cars for sale · 2021 Audi A6 Saloon price guide

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Photos

33 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.