2021 Audi Q3 1.5 TFSI S Line
Price: £21,698. Fair price: £1,297 (6%) over the AskCar estimate of £20,401, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,488 priced Audi Q3 adverts on AskCar as of 4 November 2026.
AskCar lists 3,545 used Audi Q3 from 1,632 UK dealerships, as of 4 November 2026.
Overview
- Make: Audi
- Model: Q3
- Trim: S Line
- Version: 1.5 TFSI S Line Manual FWD Euro 6 5dr 35 (147 bhp)
- Year: 2021
- Mileage: 23,346 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 1.5 litres, 147 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Blue
- CO2: 152 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Audi Q3 S Line is advertised with 23,346 miles, approximately 18,800 below the typical mileage for its age. The dealer is asking £21,698, which is £1,297 above the AskCar estimate of £20,401. To work out the AskCar estimate, we analyse UK dealer adverts for 3,488 Audi Q3 cars across different ages and specifications. We first recorded this advert 160 days ago, and its asking price has since fallen by £1,500. Its advertised mileage matches the government's MOT record. It is for sale at CarSupermarket.com Hessle in East Riding of Yorkshire. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £1,297 (6%) over the AskCar estimate of £20,401.
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 3,488 priced Audi Q3 adverts across different ages and specifications, as of 4 November 2026.
A 2021 Audi Q3 with the 1.5 petrol engine is typically advertised at £20,000: the median of the 213 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2021 Audi Q3 has been on sale for at least 160 days.
Price history
AskCar first saw this advert on 28 May 2026 at £23,198. Its asking price is now £21,698, £1,500 less. The latest price cut was seen on 20 October 2026.
Price changes recorded:
- 28 May 2026: £23,198
- 10 July 2026: £22,998
- 14 July 2026: £22,498
- 21 July 2026: £22,198
- 28 July 2026: £21,998
- 19 August 2026: £21,698
- 28 August 2026: £27,998
- 18 September 2026: £27,498
- 25 September 2026: £27,298
- 2 October 2026: £26,998
- 7 October 2026: £22,498
- 14 October 2026: £21,998
- 20 October 2026: £21,698
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 11 May 2027.
It has had 3 MOTs. The latest, on 12 May 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 22,756 miles, which matches the advertised 23,346 miles.
Advertised mileage is about 18,800 miles lower than the median mileage of a 2021 Audi Q3 on AskCar.
Similar cars
31 other 2021 Audi Q3 S Line 1.5 petrol manual SUVs are for sale at UK dealers, from £11,950 to £24,140, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi Q3 S Line, 1.5 petrol SUV, white. Mileage: 23,855 miles. Price: £19,252, £2,446 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-q3-2021-fc323b32b9db
- 2021 Audi Q3 S Line, 1.5 petrol SUV, black. Mileage: 22,295 miles. Price: £20,995, £703 less than this car. Dealer: Lookers Audi Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/audi-q3-2021-1e5bc1b169eb
- 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 22,076 miles. Price: £22,990, £1,292 more than this car. Dealer: Hodgson Car Sales in Scarborough. AskCar page: https://askcar.co.uk/car/audi-q3-2021-98e79c2bed4a
Browse all Audi Q3 cars for sale · 2021 Audi Q3 price guide
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Photos
28 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.