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: 37,022 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: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 37,022 miles on the clock, this 2021 BMW X3 M Sport has done roughly 10,800 fewer miles than a typical 2021 BMW X3. The dealer is asking £27,899, which is £828 above the AskCar estimate of £27,071. To work out the AskCar estimate, we analyse UK dealer adverts for 3,099 BMW X3 cars across different ages and specifications. We first recorded this advert 44 days ago, and its asking price has since fallen by £100. Its advertised mileage matches the government's MOT record. The seller is Halliwell Jones Southport BMW, based in Southport. 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: £828 (3%) over the AskCar estimate of £27,071.

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

This 2021 BMW X3 has been on sale for at least 44 days.

Price history

AskCar first saw this advert on 23 September 2026 at £27,999. Its asking price is now £27,899, £100 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 23 September 2026: £27,999
• 28 October 2026: £27,899

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 21 September 2027.

It has had 3 MOTs. The latest, on 16 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,881 miles, which matches the advertised 37,022 miles.

Advertised mileage is about 10,800 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, white. Mileage: 37,611 miles. Price: £26,299, £1,600 less than this car. Dealer: Motorpoint Newport in Newport. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-b7bc33789d81
• 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 37,692 miles. Price: £26,990, £909 less than this car. Dealer: Group 1 Southend BMW in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-c620d2f50d3d
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 37,722 miles. Price: £22,995, £4,904 less than this car. Dealer: Asahi Motors London in London. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-5edf87efffa6

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, white, 11 miles from this car. Mileage: 41,120 miles. Price: £23,995, £3,904 less than this car. Dealer: Lloyd Blackpool BMW in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-7f1fa333b4f7