2021 Audi A3
Version: S tronic Euro 6 5dr
Price: £25,855. Fair price: £1,476 (6%) over the AskCar estimate of £24,379, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,508 priced Audi A3 adverts on AskCar as of 29 October 2026.
AskCar lists 6,724 used Audi A3 from 2,304 UK dealerships, as of 29 October 2026.
Overview
- Make
- Audi
- Model
- A3
- Version
- S tronic Euro 6 5dr
- Mileage
- 44,499 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- Hatchback
- Gearbox
- Automatic
- Seats
- 5
- Colour
- Grey
- Doors
- 5
- Gearbox version
- S tronic
- Emissions standard
- Euro 6
About this car
This 2021 Audi A3 has covered 44,499 miles. Its asking price of £25,855 is £1,476 above the AskCar estimate of £24,379. The AskCar estimate uses UK dealer asking prices, including 6,508 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. MOT records show an expiry date of 25 June 2027, and the latest recorded mileage is consistent with the advert. The seller is Marriott Motor Group Kings Lynn Audi, based in Kings Lynn.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £25,855 |
Price and mileage comparison
Fair price: £1,476 (6%) over the AskCar estimate of £24,379.
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 6,508 priced Audi A3 adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 1,000 miles higher than the median mileage of a 2021 Audi A3 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 25 June 2027. 43,793 miles at the last test.
Other matching cars
49 other 2021 Audi A3 automatic petrol cars are for sale at UK dealers from £14,360 to £29,000, as of 29 October 2026.
The 5 cheapest:
- 2021 Audi A3. Price: £14,360. Mileage: 96,035 miles. Dealer: Evans Halshaw Ford Preston in Preston. AskCar page: https://askcar.co.uk/car/audi-a3-2021-f8a894c5c762
- 2021 Audi A3. Price: £16,995. Mileage: 70,462 miles. Dealer: Autosales Of Kirriemuir in Kirriemuir. AskCar page: https://askcar.co.uk/car/audi-a3-2021-a2e2c6e42cca
- 2021 Audi A3. Price: £17,690. Mileage: 73,000 miles. Dealer: Motorsound in Oldham. AskCar page: https://askcar.co.uk/car/audi-a3-2021-c9352c31a38b
- 2021 Audi A3. Price: £17,999. Mileage: 74,823 miles. Dealer: Croyland Car Megastore in Rushden. AskCar page: https://askcar.co.uk/car/audi-a3-2021-301da142a758
- 2021 Audi A3. Price: £17,999. Mileage: 67,086 miles. Dealer: Motor Sales Kirkcaldy in Kirkcaldy. AskCar page: https://askcar.co.uk/car/audi-a3-2021-6eed79ea7d4a
The 49 matching cars have covered 8,200 to 96,035 miles, compared with 44,499 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 A3 cars for sale · 2021 Audi A3 price guide
More like this
Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.