2021 Audi Q3 1.5 S Line
Version: 1.5 TFSI S Line S tronic FWD Euro 6 5dr (148 bhp)
Price: £21,500. Fair price: £163 (under 1%) over the AskCar estimate of £21,337, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,449 priced Audi Q3 adverts on AskCar as of 29 October 2026.
AskCar lists 3,523 used Audi Q3 from 1,644 UK dealerships, as of 29 October 2026.
Overview
- Make
- Audi
- Model
- Q3
- Trim
- S Line
- Version
- 1.5 TFSI S Line S tronic FWD Euro 6 5dr (148 bhp)
- Mileage
- 37,358 miles
- Year
- 2021
- Fuel type
- Petrol
- Engine
- 1.5 L
- Gearbox
- Automatic
- Power
- 148 bhp
- Seats
- 5
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Emissions standard
- Euro 6
About this car
At 37,358 miles, this 2021 Audi Q3 S Line has covered about 4,900 fewer miles than other 2021 Audi Q3 cars. Its asking price of £21,500 is £163 above the AskCar estimate of £21,337. The AskCar estimate uses UK dealer asking prices, including 3,449 Audi Q3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. Its MOT is recorded as valid until 15 September 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Sytner Group North Wales Audi in Llandudno Junction.
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 | £21,500 |
Price and mileage comparison
Fair price: £163 (under 1%) over the AskCar estimate of £21,337.
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 3,449 priced Audi Q3 adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 4,900 miles lower than the median mileage of a 2021 Audi Q3 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 15 September 2027. 36,921 miles at the last test.
Other matching cars
51 other 2021 Audi Q3 S Line automatic petrol cars are for sale at UK dealers from £14,699 to £29,950, as of 29 October 2026.
The 5 cheapest:
- 2021 Audi Q3. Price: £14,699. Mileage: 82,000 miles. Dealer: C M W Car Sales in Croydon. AskCar page: https://askcar.co.uk/car/audi-q3-2021-8daec602d176
- 2021 Audi Q3. Price: £14,895. Mileage: 92,788 miles. Dealer: Kestrels Motor Company in Halstead. AskCar page: https://askcar.co.uk/car/audi-q3-2021-0de8c52f07e6
- 2021 Audi Q3. Price: £15,600. Mileage: 80,941 miles. Dealer: Evans Halshaw Vauxhall Shiremoor in Shiremoor. AskCar page: https://askcar.co.uk/car/audi-q3-2021-e65eb5b983e3
- 2021 Audi Q3. Price: £16,845. Mileage: 76,000 miles. Dealer: The Carsite London in Bromley. AskCar page: https://askcar.co.uk/car/audi-q3-2021-558c3d509671
- 2021 Audi Q3. Price: £16,888. Mileage: 33,400 miles. Dealer: UM Cars in Braintree. AskCar page: https://askcar.co.uk/car/audi-q3-2021-6848f36d89c9
The 51 matching cars have covered 8,697 to 92,788 miles, compared with 37,358 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 Q3 cars for sale · 2021 Audi Q3 price guide
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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.