2021 BMW X3 2.0 20i M Sport
Price: £26,446. Fair price: £669 (2%) over the AskCar estimate of £25,777, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,998 priced BMW X3 adverts on AskCar as of 1 November 2026.
AskCar lists 3,053 used BMW X3 from 1,190 UK dealerships, as of 1 November 2026.
Overview
- Make: BMW
- Model: X3
- Trim: M Sport
- Version: 2.0 20i GPF M Sport Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
- Year: 2021
- Mileage: 42,423 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 181 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 166 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 42,423 miles, this 2021 BMW X3 M Sport has covered about 6,400 fewer miles than other 2021 BMW X3 cars. Its asking price of £26,446 is £669 above the AskCar estimate of £25,777. The AskCar estimate uses UK dealer asking prices, including 2,998 BMW X3 adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Maranello Performance in Stapleford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 1 November 2026.
Price
Fair price: £669 (2%) over the AskCar estimate of £25,777.
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 2,998 priced BMW X3 adverts across different ages and specifications, as of 1 November 2026.
Time on sale
AskCar first saw this 2021 BMW X3 advertised today.
Price history
AskCar first saw this advert on 1 November 2026 at £26,446. 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 1 November 2026: valid until 3 July 2027.
It has had 4 MOTs. The latest, on 16 June 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 40,341 miles, which matches the advertised 42,423 miles.
Advertised mileage is about 6,400 miles lower than the median mileage of a 2021 BMW X3 on AskCar.
Similar cars
23 other 2021 BMW X3 M Sport 2.0 petrol automatic SUVs are for sale at UK dealers, from £22,990 to £31,771, as of 1 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW X3 M Sport, 2.0 petrol SUV, white. Mileage: 42,100 miles. Price: £23,995, £2,451 less than this car. Dealer: FJ Chalke - Nissan, Yeovil in Yeovil. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-14a70a4a96c1
- 2021 BMW X3 M Sport, 2.0 petrol SUV, white. Mileage: 42,900 miles. Price: £27,199, £753 more than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-54b2037e0a70
- 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 41,634 miles. Price: £28,500, £2,054 more than this car. Dealer: Sytner Coventry BMW in Coventry. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-e067437fcca6
- The nearest: 2021 BMW X3 M Sport, 2.0 petrol SUV, black, 5 miles from this car. Mileage: 48,615 miles. Price: £26,491, the same price as this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-bf7c71c39549
Browse all BMW X3 cars for sale · 2021 BMW X3 price guide
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Photos
10 photos of this car are on its AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.