2021 Audi Q3 2.0 TDI S Line
Price: £15,990. Fair price: £278 (1%) over the AskCar estimate of £15,712, 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 3,545 used Audi Q3 from 1,643 UK dealerships, as of 8 November 2026.
Overview
- Make: Audi
- Model: Q3
- Trim: S Line
- Version: 2.0 TDI S Line S tronic FWD Euro 6 5dr (147 bhp)
- Year: 2021
- Mileage: 86,182 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 147 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 150 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 86,182 miles, this 2021 Audi Q3 S Line has covered about 44,100 more miles than other 2021 Audi Q3 cars. The AskCar estimate for this car is £15,712. It is priced at £15,990, which is £278 above that estimate. The AskCar estimate uses 3,477 UK dealer adverts for the Audi Q3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 164 days ago, the asking price has dropped by £1,000. Our latest MOT record expired on 15 May 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Jan Autos in Luton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £278 (1%) over the AskCar estimate of £15,712.
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 2.0 diesel engine is typically advertised at £20,400: the median of the 71 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2021 Audi Q3 has been on sale for at least 164 days.
Price history
AskCar first saw this advert on 28 May 2026 at £16,990. Its asking price is now £15,990, £1,000 less. The latest price cut was seen on 3 October 2026.
Price changes recorded:
- 29 May 2026: £16,990
- 3 October 2026: £15,990
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 15 May 2026; ask the dealer for the current MOT.
It has had 3 MOTs. The latest, on 16 May 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 68,965 miles, which matches the advertised 86,182 miles.
Advertised mileage is about 44,100 miles higher than the median mileage of a 2021 Audi Q3 on AskCar.
Similar cars
17 other 2021 Audi Q3 S Line 2.0 diesel automatic SUVs are for sale at UK dealers, from £14,499 to £22,995, as of 8 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 81,102 miles. Price: £17,498, £1,508 more than this car. Dealer: Arnold Clark Burton upon Trent Motorstore in Burton upon Trent. AskCar page: https://askcar.co.uk/car/audi-q3-2021-10e03a36b786
- 2021 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 77,398 miles. Price: £16,000, the same price as this car. Dealer: DT Vehicle Sales in Nottingham. AskCar page: https://askcar.co.uk/car/audi-q3-2021-2f3127b8d2ff
- 2021 Audi Q3 S Line, 2.0 diesel SUV, blue. Mileage: 98,486 miles. Price: £15,590, £400 less than this car. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-q3-2021-2b4fb57d4ebe
- The nearest: 2021 Audi Q3 S Line, 2.0 diesel SUV, grey, 3 miles from this car. Mileage: 40,326 miles. Price: £18,550, £2,560 more than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/audi-q3-2021-77e2da1d904f
Browse all Audi Q3 cars for sale · 2021 Audi Q3 price guide
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Photos
71 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.