2021 BMW X3 2.0 20d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 xDrive20d MHT M Sport Auto 4WD Euro 6 5dr Step (187 bhp)
• Year: 2021
• Mileage: 87,665 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 160 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport has covered 87,665 miles, around 39,100 more miles than is typical for its age. Priced at £20,000, it is advertised £1,011 above the AskCar estimate of £18,989. The AskCar estimate uses UK dealer asking prices, including 2,992 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 60 days ago, and its asking price has since fallen by £300. Its advertised mileage matches the government's MOT record. The seller is Marshall Honda Harrogate, based in Harrogate. 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

Fair price: £1,011 (5%) over the AskCar estimate of £18,989.

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 60 days.

Price history

AskCar first saw this advert on 3 September 2026 at £20,300. Its asking price is now £20,000, £300 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 3 September 2026: £20,300
• 11 September 2026: £20,000
• 7 October 2026: £20,500
• 16 October 2026: £20,400
• 23 October 2026: £20,200
• 28 October 2026: £20,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 June 2027.

It has had 3 MOTs. The latest, on 22 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 84,007 miles, which matches the advertised 87,665 miles.

Advertised mileage is about 39,100 miles higher 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, blue. Mileage: 88,900 miles. Price: £22,749, £2,749 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, white. Mileage: 85,302 miles. Price: £18,450, £1,550 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-c82fb953279d
• 2021 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 85,245 miles. Price: £18,950, £1,050 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-4a99aa1f934e

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, white, 15 miles from this car. Mileage: 42,468 miles. Price: £24,999, £4,999 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-1bef7e39c3f0