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: 66,536 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: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport is advertised with 66,536 miles, approximately 17,600 above the typical mileage for its age. The AskCar estimate for this car is £22,554. It is priced at £23,450, which is £896 above that estimate. The AskCar estimate uses UK dealer asking prices, including 3,076 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 37 days ago. Its asking price has since fallen by £550. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Worcester BMW, based in Worcester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £896 (3%) over the AskCar estimate of £22,554.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,400: the median of the 177 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 37 days.

Price history

AskCar first saw this advert on 29 September 2026 at £24,000. Its asking price is now £23,450, £550 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 29 September 2026: £24,000
• 24 October 2026: £23,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 13 July 2027.

It has had 3 MOTs. The latest, on 29 June 2026, passed.

Advisories at the latest test: nearside windscreen wiper blade defective; offside windscreen wiper blade defective; nearside front shock absorbers has light misting of oil.

Mileage at that test: 63,865 miles, which matches the advertised 66,536 miles.

Advertised mileage is about 17,600 miles higher than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

98 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 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 66,855 miles. Price: £20,495, £2,955 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: 67,215 miles. Price: £21,975, £1,475 less 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, grey. Mileage: 67,280 miles. Price: £21,599, £1,851 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-f2ca428d86e9

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, 20 miles from this car. Mileage: 55,359 miles. Price: £23,750, £300 more than this car. Dealer: Sytner Solihull BMW in Solihull. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-c562bd409092