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: 55,359 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 160 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport has covered 55,359 miles, around 6,500 more miles than is typical for its age. The AskCar estimate for this car is £23,672. It is priced at £23,750, which is £78 above that estimate. The AskCar estimate uses UK dealer asking prices, including 3,034 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 5 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Solihull BMW, based in Solihull. 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: £78 (under 1%) over the AskCar estimate of £23,672.

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

AskCar first saw this 2021 BMW X3 advertised 5 days ago. About half of 2021 BMW X3 cars are gone from sale within a month of being advertised: 142 of the 303 first advertised between 13 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £23,750. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 26 April 2027.

It has had 3 MOTs. The latest, on 27 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 49,174 miles, which matches the advertised 55,359 miles.

Advertised mileage is about 6,500 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, silver. Mileage: 55,608 miles. Price: £23,950, £200 more than this car. Dealer: Sandal BMW Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-86f67217be83
• 2021 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 55,000 miles. Price: £24,499, £749 more than this car. Dealer: Sandles Cars in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-c3bbb6cd522d
• 2021 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 55,000 miles. Price: £24,750, £1,000 more than this car. Dealer: Carrera Specialist Cars in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-6f5b20a7b202

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, 14 miles from this car. Mileage: 96,000 miles. Price: £20,499, £3,251 less than this car. Dealer: Prestige Motoring Group in Tipton. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-c6d8bf79c60f