2021 Audi A6 Saloon 2.0 TDI S Line
Version: 2.0 TDI S Line S tronic FWD Euro 6 4dr 40 (201 bhp)
Price: £17,499. Fair price: £707 (3%) under the AskCar estimate of £18,206, our expected asking price for this car from its model, age, mileage and specification, drawing on 854 priced Audi A6 Saloon adverts on AskCar as of 30 October 2026.
AskCar lists 878 used Audi A6 Saloon from 644 UK dealerships, as of 30 October 2026.
Overview
- Make
- Audi
- Model
- A6 Saloon
- Trim
- S Line
- Version
- 2.0 TDI S Line S tronic FWD Euro 6 4dr 40 (201 bhp)
- Mileage
- 75,378 miles
- Year
- 2021
- Fuel type
- Diesel
- Body type
- Saloon
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 201 bhp
- Seats
- 5
- CO2
- 142 g/km
- Colour
- Blue
- Doors
- 4
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TDI
- Emissions standard
- Euro 6
About this car
With 75,378 miles on the clock, this 2021 Audi A6 Saloon S Line has done roughly 17,700 more miles than a typical 2021 Audi A6 Saloon. The AskCar estimate for this car is £18,206. It is priced at £17,499, which is £707 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 854 Audi A6 Saloon cars across different ages and specifications. It first appeared in our advert records today. Its recorded MOT is valid until 21 October 2027, and its advertised mileage is consistent with the latest MOT reading. It is advertised by cinch Corby in North Northamptonshire.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £17,499 |
Price and mileage comparison
Fair price: £707 (3%) under the AskCar estimate of £18,206.
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 854 priced Audi A6 Saloon adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 17,700 miles higher than the median mileage of a 2021 Audi A6 Saloon on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 21 October 2027. 75,376 miles at the last test.
Other matching cars
15 other 2021 Audi A6 Saloon S Line automatic diesel cars are for sale at UK dealers from £15,770 to £21,000, as of 30 October 2026.
The 5 cheapest:
- 2021 Audi A6 Saloon. Price: £15,770. Mileage: 91,045 miles. Dealer: Evans Halshaw Ford Blackpool in Blackpool. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-5f042feb4b9c
- 2021 Audi A6 Saloon. Price: £16,400. Mileage: 79,921 miles. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-fa93dd72f012
- 2021 Audi A6 Saloon. Price: £16,495. Mileage: 97,450 miles. Dealer: Select Car Superstore in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-0797fd159c88
- 2021 Audi A6 Saloon. Price: £16,995. Mileage: 92,280 miles. Dealer: Blackline Motors in Oldham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-6b893042a43b
- 2021 Audi A6 Saloon. Price: £17,795. Mileage: 61,179 miles. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-eb3afca4fd07
The 15 matching cars have covered 52,755 to 97,450 miles, compared with 75,378 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Audi A6 Saloon cars for sale · 2021 Audi A6 Saloon price guide
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Photos
29 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.