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: 35,005 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 35,005 miles, this 2021 BMW X3 M Sport has covered about 13,600 fewer miles than other 2021 BMW X3 cars. Its asking price of £24,300 is £2,715 below the AskCar estimate of £27,015. The AskCar estimate uses 2,992 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 55 days ago. Its asking price has since fallen by £1,800. The government's MOT record matches its advertised mileage. You can find this car at Car Planet Barnet in New Southgate. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £2,715 (10%) under the AskCar estimate of £27,015.

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 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 November 2026.

A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,600: the median of the 174 for sale on AskCar, as of 2 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 8 September 2026 at £26,100. Its asking price is now £24,300, £1,800 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 8 September 2026: £26,100
• 22 September 2026: £25,800
• 28 September 2026: £25,500
• 4 October 2026: £25,300
• 9 October 2026: £25,150
• 16 October 2026: £24,850
• 21 October 2026: £24,600
• 28 October 2026: £24,300

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 10 March 2027.

It has had 3 MOTs. The latest, on 24 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 31,331 miles, which matches the advertised 35,005 miles.

Advertised mileage is about 13,600 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

97 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 2 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 34,720 miles. Price: £25,900, £1,600 more than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-15acc3c55011
• 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 34,486 miles. Price: £25,499, £1,199 more than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-876c88a582ea
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 36,129 miles. Price: £26,995, £2,695 more than this car. Dealer: Hamptons of Surrey in Farnham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-930dee93d077

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, 1 miles from this car. Mileage: 37,722 miles. Price: £22,995, £1,305 less than this car. Dealer: Asahi Motors London in London. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-5edf87efffa6