2021 Audi A6 Saloon 2.0 TFSIe S Line
Price: £12,989. Fair price: £236 (1%) under the AskCar estimate of £13,225, our expected asking price for this car from its model, age, mileage and specification, drawing on 872 priced Audi A6 Saloon adverts on AskCar as of 7 November 2026.
AskCar lists 903 used Audi A6 Saloon from 663 UK dealerships, as of 7 November 2026.
Overview
- Make: Audi
- Model: A6 Saloon
- Trim: S Line
- Version: 2.0 50 S Line S tronic 4WD Euro 6 4dr (294 bhp)
- Year: 2021
- Mileage: 144,000 miles
- Fuel: Plug-in hybrid (petrol)
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 294 bhp
- Gearbox: Automatic (S tronic)
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 36 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 144,000 miles on the clock, this 2021 Audi A6 Saloon S Line has done roughly 89,200 more miles than a typical 2021 Audi A6 Saloon. Its asking price of £12,989 is £236 below the AskCar estimate of £13,225. The AskCar estimate uses 872 UK dealer adverts for the Audi A6 Saloon, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 163 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Motorhub in Keighley. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £236 (1%) under the AskCar estimate of £13,225.
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 872 priced Audi A6 Saloon adverts across different ages and specifications, as of 7 November 2026.
A 2021 Audi A6 Saloon with the 2.0 plug-in hybrid engine is typically advertised at £18,700: the median of the 79 for sale on AskCar, as of 7 November 2026.
Time on sale
This 2021 Audi A6 Saloon has been on sale for at least 163 days.
Price history
AskCar first saw this advert on 28 May 2026 at £12,989. 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 7 November 2026: valid until 10 June 2027.
It has had 6 MOTs. The latest, on 11 June 2026, passed.
Advisories at the latest test: windscreen damaged but not adversely affecting driver's view.
Mileage at that test: 144,136 miles, which matches the advertised 144,000 miles.
Advertised mileage is about 89,200 miles higher than the median mileage of a 2021 Audi A6 Saloon on AskCar.
Similar cars
2 other 2021 Audi A6 Saloon S Line 2.0 plug-in hybrid automatic saloons are for sale at UK dealers, from £15,995 to £22,995, as of 7 November 2026.
The 2 closest to this car in mileage:
- 2021 Audi A6 Saloon S Line, 2.0 plug-in hybrid saloon, blue. Mileage: 120,700 miles. Price: £15,995, £3,006 more 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, grey. Mileage: 54,000 miles. Price: £22,995, £10,006 more than this car. Dealer: Roadside Motors in Bolton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-f1481c5176db
Browse all Audi A6 Saloon cars for sale · 2021 Audi A6 Saloon price guide
More like this
- Used Audi A6 Saloon S Line prices
- Used Audi A6 Saloon for sale under £15,000
- Used plug-in hybrid Audi A6 Saloon for sale
- Used Audi A6 Saloon for sale near Keighley
Photos
11 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.