2021 Audi A6 Saloon 2.0 TFSIe S Line
Price: £15,995. Fair price: £677 (4%) over the AskCar estimate of £15,318, 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 17.9kWh TFSIe 50 S Line S tronic 4WD Euro 6 (s/s) 4dr (295 bhp)
- Year: 2021
- Mileage: 120,700 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: Blue
- CO2: 29 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Audi A6 Saloon S Line has covered 120,700 miles, around 65,900 more miles than is typical for its age. The AskCar estimate for this car is £15,318. It is priced at £15,995, which is £677 above that estimate. The AskCar estimate uses UK dealer asking prices, including 872 Audi A6 Saloon adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 162 days ago. Its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Vansco 333 Showroom Southampton, based in Southampton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £677 (4%) over the AskCar estimate of £15,318.
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 162 days.
Price history
AskCar first saw this advert on 29 May 2026 at £16,995. Its asking price is now £15,995, £1,000 less. The latest price cut was seen on 23 October 2026.
Price changes recorded:
- 29 May 2026: £16,995
- 28 August 2026: £16,495
- 23 October 2026: £15,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 11 January 2027.
It has had 3 MOTs. The latest, on 12 January 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 110,075 miles, which matches the advertised 120,700 miles.
Advertised mileage is about 65,900 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 £12,989 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: 144,000 miles. Price: £12,989, £3,006 less than this car. Dealer: Motorhub in Keighley. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-6adae68adac7
- 2021 Audi A6 Saloon S Line, 2.0 plug-in hybrid saloon, grey. Mileage: 54,000 miles. Price: £22,995, £7,000 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
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Photos
72 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.