2021 BMW X3 2.0 20d MHT M Sport
Price: £28,990. Fair price: £902 (3%) over the AskCar estimate of £28,088, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,992 priced BMW X3 adverts on AskCar as of 2 November 2026.
AskCar lists 3,072 used BMW X3 from 1,209 UK dealerships, as of 2 November 2026.
Overview
- Make: BMW
- Model: X3
- Trim: M Sport
- Version: 2.0 MHT M Sport Auto 4WD Euro 6 5dr (187 bhp)
- Year: 2021
- Mileage: 29,825 miles
- Fuel: Diesel, mild hybrid
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 156 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 29,825 miles on the clock, this 2021 BMW X3 M Sport has done roughly 18,800 fewer miles than a typical 2021 BMW X3. The AskCar estimate for this car is £28,088. It is priced at £28,990, which is £902 above that estimate. The AskCar estimate uses 2,992 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 19 days ago, and its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Norwich BMW, based in Norwich. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £902 (3%) over the AskCar estimate of £28,088.
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 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 November 2026.
A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,600: the median of the 174 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2021 BMW X3 has been on sale for at least 19 days.
Price history
AskCar first saw this advert on 14 October 2026 at £29,490. Its asking price is now £28,990, £500 less. The latest price cut was seen on 30 October 2026.
Price changes recorded:
- 14 October 2026: £29,490
- 22 October 2026: £29,380
- 27 October 2026: £29,250
- 30 October 2026: £28,990
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 1 October 2027.
It has had 4 MOTs. The latest, on 14 September 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 29,652 miles, which matches the advertised 29,825 miles.
Advertised mileage is about 18,800 miles lower than the median mileage of a 2021 BMW X3 on AskCar.
Similar cars
97 other 2021 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,295 to £35,995, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 29,902 miles. Price: £25,099, £3,891 less than this car. Dealer: Fords of Winsford Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-72fa0eb2d1b9
- 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 30,844 miles. Price: £27,381, £1,609 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-52bd90793c3b
- 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 28,487 miles. Price: £26,749, £2,241 less than this car. Dealer: Lloyd Motor Group in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-40ce5a6e9fe7
- The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, white, 4 miles from this car. Mileage: 18,707 miles. Price: £25,730, £3,260 less than this car. Dealer: Big Motoring World Norwich in Norwich. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-e436a69df13e
Browse all BMW X3 cars for sale · 2021 BMW X3 price guide
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Photos
62 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.