2021 Audi Q3 1.5 S Line
Price: £21,500. Fair price: £109 (under 1%) over the AskCar estimate of £21,391, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,477 priced Audi Q3 adverts on AskCar as of 8 November 2026.
AskCar lists 3,542 used Audi Q3 from 1,642 UK dealerships, as of 8 November 2026.
Overview
- Make: Audi
- Model: Q3
- Trim: S Line
- Version: 1.5 TFSI S Line S tronic FWD Euro 6 5dr (148 bhp)
- Year: 2021
- Mileage: 37,358 miles
- Fuel: Petrol
- Body: 5 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 158 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 37,358 miles, this 2021 Audi Q3 S Line has covered about 4,700 fewer miles than other 2021 Audi Q3 cars. Its asking price of £21,500 is £109 above the AskCar estimate of £21,391. The AskCar estimate uses UK dealer asking prices, including 3,477 Audi Q3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 10 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Group North Wales Audi, based in Llandudno Junction. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £109 (under 1%) over the AskCar estimate of £21,391.
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 3,477 priced Audi Q3 adverts across different ages and specifications, as of 8 November 2026.
A 2021 Audi Q3 with the 1.5 petrol engine is typically advertised at £20,000: the median of the 215 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2021 Audi Q3 has been on sale for at least 10 days.
Price history
AskCar first saw this advert on 29 October 2026 at £21,500. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 15 September 2027.
It has had 3 MOTs. The latest, on 11 September 2026, passed.
Advisories at the latest test: nearside front shock absorbers has light misting of oil; offside front shock absorbers has light misting of oil; nearside front tyre worn close to legal limit/worn on edge; and 2 more.
Mileage at that test: 36,921 miles, which matches the advertised 37,358 miles.
Advertised mileage is about 4,700 miles lower than the median mileage of a 2021 Audi Q3 on AskCar.
Browse all Audi Q3 cars for sale · 2021 Audi Q3 price guide
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Photos
23 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.