2021 Audi Q3 2.0 TDI S Line
Price: £19,591. Good value: £1,732 (8%) under the AskCar estimate of £21,323, 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: 2.0 TDI 40 S Line S tronic 4WD Euro 6 (s/s) 5dr (197 bhp)
- Year: 2021
- Mileage: 48,256 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 197 bhp
- Gearbox: Automatic (S tronic)
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 174 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 48,256 miles on the clock, this 2021 Audi Q3 S Line has done roughly 6,100 more miles than a typical 2021 Audi Q3. Priced at £19,591, it is advertised £1,732 below the AskCar estimate of £21,323. The AskCar estimate draws on 3,488 Audi Q3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 1 day. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Cars2 in Bradford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Good value: £1,732 (8%) under the AskCar estimate of £21,323.
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 2.0 diesel engine is typically advertised at £20,300: the median of the 75 for sale on AskCar, as of 4 November 2026.
Time on sale
AskCar first saw this 2021 Audi Q3 advertised 1 day ago. About half of 2021 Audi Q3 cars are gone from sale within a month of being advertised: 187 of the 385 first advertised between 8 July 2026 and 1 October 2026.
Price history
AskCar first saw this advert on 3 November 2026 at £19,591. 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 4 November 2026: valid until 6 October 2027.
It has had 4 MOTs. The latest, on 7 October 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 48,260 miles, which matches the advertised 48,256 miles.
Advertised mileage is about 6,100 miles higher than the median mileage of a 2021 Audi Q3 on AskCar.
Similar cars
21 other 2021 Audi Q3 S Line 2.0 diesel automatic SUVs are for sale at UK dealers, from £14,499 to £23,500, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 49,150 miles. Price: £22,945, £3,354 more than this car. Dealer: Morgan Cars and Commercials in Ballyclare. AskCar page: https://askcar.co.uk/car/audi-q3-2021-b8f08eb5675c
- 2021 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 40,326 miles. Price: £18,600, £991 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/audi-q3-2021-77e2da1d904f
- 2021 Audi Q3 S Line, 2.0 diesel SUV, white. Mileage: 56,264 miles. Price: £19,998, £407 more than this car. Dealer: Arnold Clark Dundee Vauxhall / Fiat / Abarth in Dundee. AskCar page: https://askcar.co.uk/car/audi-q3-2021-c01e0c627fea
Browse all Audi Q3 cars for sale · 2021 Audi Q3 price guide
More like this
- Used Audi Q3 S Line prices
- Used Audi Q3 for sale under £20,000
- Used automatic Audi Q3 for sale
- Used diesel Audi Q3 for sale
Photos
20 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.