2021 BMW X3 2.0 20d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2021
• Mileage: 51,000 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport is advertised with 51,000 miles, approximately 2,100 above the typical mileage for its age. The AskCar estimate for this car is £24,767. It is priced at £25,995, which is £1,228 above that estimate. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 38 days ago. Its advertised mileage matches the government's MOT record. The seller is Hynes Motors, based in Newry. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,228 (4%) over the AskCar estimate of £24,767.

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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 November 2026.

A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,500: the median of the 174 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 27 September 2026 at £25,995. 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 4 November 2026: valid until 13 April 2027.

It has had 3 MOTs. The latest, on 14 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 48,846 miles, which matches the advertised 51,000 miles.

Advertised mileage is about 2,100 miles higher than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

95 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 51,714 miles. Price: £23,990, £2,005 less than this car. Dealer: Stratstone Mercedes-Benz of Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-7fd63ae29ae8
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 51,834 miles. Price: £23,995, £2,000 less than this car. Dealer: Grainger Motor Group in Spalding. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-6c8795cb5390
• 2021 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 52,000 miles. Price: £24,295, £1,700 less than this car. Dealer: Crisps Paramount Garage in Saxmundham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-9441bb136dec

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, 7 miles from this car. Mileage: 39,805 miles. Price: £27,995, £2,000 more than this car. Dealer: Comiskey Motors in Newry. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-4a74ba95a5eb