2021 BMW X3 2.0 20d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 MHT M Sport Auto 4WD Euro 6 5dr (187 bhp)
• Year: 2021
• Mileage: 74,061 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 74,061 miles, approximately 25,200 above the typical mileage for its age. Its asking price of £20,395 is £1,245 below the AskCar estimate of £21,640. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. The asking price is now £1,100 lower than when we first recorded the advert 55 days ago. Its advertised mileage matches the government's MOT record. The seller is Motor Trust Haslingden, based in Rossendale. 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: £1,245 (5%) under the AskCar estimate of £21,640.

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 55 days.

Price history

AskCar first saw this advert on 10 September 2026 at £21,495. Its asking price is now £20,395, £1,100 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 10 September 2026: £21,495
• 7 October 2026: £20,595
• 23 October 2026: £20,495
• 29 October 2026: £20,395

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 6 May 2027.

It has had one MOT, on 7 May 2025, and passed.

There were no advisories at the latest test.

Mileage at that test: 54,370 miles, which matches the advertised 74,061 miles.

Advertised mileage is about 25,200 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, black. Mileage: 72,046 miles. Price: £21,694, £1,299 more than this car. Dealer: Phoenix Cars in Winchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-ee4de66b0be9
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 76,160 miles. Price: £20,499, £104 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-80bb3afd9b58
• 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 70,616 miles. Price: £22,050, £1,655 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-9aa4ae5e808a

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, silver, 4 miles from this car. Mileage: 46,000 miles. Price: £28,450, £8,055 more than this car. Dealer: Billington Motor Group in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-1a9ff99aace7