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: 100,743 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport is advertised with 100,743 miles, approximately 51,900 above the typical mileage for its age. The AskCar estimate for this car is £17,706. It is priced at £17,697, which is £9 below that estimate. The AskCar estimate draws on 3,034 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 87 days ago. Its asking price has since fallen by £498. Our records show an MOT expiry date of 9 July 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. You can find this car at Luks Autohaus in Leicester. 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: £9 (under 1%) under the AskCar estimate of £17,706.

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 87 days.

Price history

AskCar first saw this advert on 9 August 2026 at £18,195. Its asking price is now £17,697, £498 less. The latest price cut was seen on 4 October 2026.

Price changes recorded:

• 9 August 2026: £18,195
• 15 September 2026: £17,895
• 4 October 2026: £17,697

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 9 July 2026; ask the dealer for the current MOT.

It failed its MOT on 9 July 2025 (nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed 1 day later, on 10 July 2025.

Advisories at the latest test: front brake pad(s) wearing thin; nearside rear nail in tyre.

Mileage at that test: 86,158 miles, which matches the advertised 100,743 miles.

Advertised mileage is about 51,900 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: 96,000 miles. Price: £20,499, £2,802 more than this car. Dealer: Prestige Motoring Group in Tipton. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-c6d8bf79c60f
• 2021 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 88,900 miles. Price: £22,749, £5,052 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-a2734e8a5377
• 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 87,665 miles. Price: £20,000, £2,303 more than this car. Dealer: Marshall Honda Harrogate in Harrogate. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-17dfd701d98e

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, grey, 18 miles from this car. Mileage: 34,486 miles. Price: £25,499, £7,802 more than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-876c88a582ea