2021 BMW X3 2.0 M Sport
Price: £36,250. Above the going rate: £5,158 (16%) over the AskCar estimate of £31,092, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,033 priced BMW X3 adverts on AskCar as of 8 November 2026.
AskCar lists 3,134 used BMW X3 from 1,223 UK dealerships, as of 8 November 2026.
Overview
- Make: BMW
- Model: X3
- Trim: M Sport
- Version: 2.0 M Sport Auto 4WD Euro 6 5dr (187 bhp)
- Year: 2021
- Mileage: 28,000 miles
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 154 g/km
- Emissions standard: Euro 6
About this car
This 2021 BMW X3 M Sport is advertised with 28,000 miles on the clock. Priced at £36,250, it is advertised £5,158 above the AskCar estimate of £31,092. The AskCar estimate uses 3,033 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 160 days ago. Its asking price has since fallen by £745. The advertised mileage is lower than the latest MOT reading of 28,821 miles. Ask the dealer to explain. MOT records show an expiry date of 8 January 2027. It is advertised by MC Autosales in Magherafelt. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Above the going rate: £5,158 (16%) over the AskCar estimate of £31,092.
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 3,033 priced BMW X3 adverts across different ages and specifications, as of 8 November 2026.
Time on sale
This 2021 BMW X3 has been on sale for at least 160 days.
Price history
AskCar first saw this advert on 1 June 2026 at £36,995. Its asking price is now £36,250, £745 less. The latest price cut was seen on 16 June 2026.
Price changes recorded:
- 1 June 2026: £36,995
- 16 June 2026: £36,250
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 8 January 2027.
It has had 2 MOTs. The latest, on 9 January 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 28,821 miles. The advert says 28,000 miles, fewer than the MOT record, so ask the dealer which is right.
Advertised mileage is about 20,000 miles lower than the median mileage of a 2021 BMW X3 on AskCar.
Browse all BMW X3 cars for sale · 2021 BMW X3 price guide
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Photos
13 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.