2021 BMW X3 2.0 20i M Sport
Price: £25,000. Fair price: £681 (2%) under the AskCar estimate of £25,681, 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 xDrive20i M Sport Auto 4WD Euro 6 5dr (181 bhp)
- Year: 2021
- Mileage: 48,890 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 181 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 178 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 BMW X3 M Sport has covered 48,890 miles. The AskCar estimate for this car is £25,681. It is priced at £25,000, which is £681 below that estimate. The AskCar estimate draws on 3,033 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 1 day ago. Its advertised mileage matches the government's MOT record. The seller is Sytner Cardiff BMW, based in Cardiff. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £681 (2%) under the AskCar estimate of £25,681.
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.
A 2021 BMW X3 with the 2.0 petrol engine is typically advertised at £24,500: the median of the 173 for sale on AskCar, as of 8 November 2026.
Time on sale
AskCar first saw this 2021 BMW X3 advertised 1 day ago. About half of 2021 BMW X3 cars are gone from sale within a month of being advertised: 145 of the 311 first advertised between 13 July 2026 and 5 October 2026.
Price history
AskCar first saw this advert on 7 November 2026 at £25,000. 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 23 April 2027.
It has had 3 MOTs. The latest, on 22 April 2026, passed.
Advisories at the latest test: nearside rear inner brake pad(s) wearing thin; offside front sub-frame is deformed but structural rigidity is not significantly reduced.
Mileage at that test: 45,626 miles, which matches the advertised 48,890 miles.
Advertised mileage is about 900 miles higher than the median mileage of a 2021 BMW X3 on AskCar.
Similar cars
25 other 2021 BMW X3 M Sport 2.0 petrol automatic SUVs are for sale at UK dealers, from £20,499 to £32,998, as of 8 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 48,615 miles. Price: £26,491, £1,491 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-bf7c71c39549
- 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 51,300 miles. Price: £22,999, £2,001 less than this car. Dealer: Wiltshire & Sons Farnham in Farnham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-bf81c66f6056
- 2021 BMW X3 M Sport, 2.0 petrol SUV, grey. Mileage: 52,000 miles. Price: £26,250, £1,250 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-5c5f3b3d9e26
- The nearest: 2021 BMW X3 M Sport, 2.0 petrol SUV, black, 16 miles from this car. Mileage: 31,761 miles. Price: £27,995, £2,995 more than this car. Dealer: Sinclair Direct in Bridgend. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-76b70657864b
Browse all BMW X3 cars for sale · 2021 BMW X3 price guide
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Photos
21 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.