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: 67,280 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

With 67,280 miles on the clock, this 2021 BMW X3 M Sport has done roughly 18,400 more miles than a typical 2021 BMW X3. The dealer is asking £21,599, which is £337 below the AskCar estimate of £21,936. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. Since we first spotted the advert 8 days ago, the asking price has dropped by £600. We checked its advertised mileage against the government's MOT record, and they match. The seller is Fords Of Winsford Car Supermarket, based in Winsford. 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: £337 (1%) under the AskCar estimate of £21,936.

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 8 days.

Price history

AskCar first saw this advert on 27 October 2026 at £22,199. Its asking price is now £21,599, £600 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 27 October 2026: £22,199
• 28 October 2026: £21,599

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 23 June 2027.

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

There were no advisories at the latest test.

Mileage at that test: 62,490 miles, which matches the advertised 67,280 miles.

Advertised mileage is about 18,400 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, grey. Mileage: 67,215 miles. Price: £21,975, £376 more than this car. Dealer: Sytner Group Geely Sunderland in Sunderland. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-e4d9d198cafe
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 66,855 miles. Price: £20,495, £1,104 less than this car. Dealer: D. M. Keith in Grimsby. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-73c831236abe
• 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 66,536 miles. Price: £23,450, £1,851 more than this car. Dealer: Sytner Worcester BMW in Worcester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-b98851d5fa1c

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, under a mile from this car. Mileage: 52,680 miles. Price: £23,799, £2,200 more than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-15e343dee05c