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: 43,600 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport is advertised with 43,600 miles, approximately 5,300 below the typical mileage for its age. The AskCar estimate for this car is £25,775. It is priced at £24,995, which is £780 below that estimate. The AskCar estimate uses UK dealer asking prices, including 3,076 BMW X3 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 8 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Signature Car Specialists in Burnley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £780 (3%) under the AskCar estimate of £25,775.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,400: the median of the 177 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 8 days.

Price history

AskCar first saw this advert on 28 October 2026 at £24,995. 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 5 November 2026: valid until 28 September 2027.

It has had 4 MOTs. The latest, on 29 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 43,584 miles, which matches the advertised 43,600 miles.

Advertised mileage is about 5,300 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

98 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 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 43,700 miles. Price: £22,999, £1,996 less than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-9693c161440c
• 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 44,000 miles. Price: £22,995, £2,000 less than this car. Dealer: BEN Harrison Automotive in Poole. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-6d3d48917bc2
• 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 43,086 miles. Price: £24,599, £396 less than this car. Dealer: Fords of Winsford Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-ee483895395b

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, blue, under a mile from this car. Mileage: 88,900 miles. Price: £22,749, £2,246 less than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-a2734e8a5377