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: 43,800 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport is advertised with 43,800 miles, approximately 4,000 below the typical mileage for its age. The dealer is asking £25,995, which is £295 above the AskCar estimate of £25,700. To work out the AskCar estimate, we analyse UK dealer adverts for 3,099 BMW X3 cars across different ages and specifications. It first appeared in our advert records today. 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 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £295 (1%) over the AskCar estimate of £25,700.

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 3,099 priced BMW X3 adverts across different ages and specifications, as of 6 November 2026.

A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,500: the median of the 181 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2021 BMW X3 advertised today. About half of 2021 BMW X3 cars are gone from sale within a month of being advertised: 144 of the 310 first advertised between 13 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 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 6 November 2026: valid until 8 June 2027.

It has had 3 MOTs. The latest, on 6 June 2026, passed.

Advisories at the latest test: both front tyres wearing on outer edges; nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge; and 2 more.

Mileage at that test: 36,132 miles, which matches the advertised 43,800 miles.

Advertised mileage is about 4,000 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

99 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 6 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, £2,996 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, black. Mileage: 43,600 miles. Price: £24,995, £1,000 less than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-cf227d6c3721
• 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 43,086 miles. Price: £24,599, £1,396 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, £3,246 less than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-a2734e8a5377