2021 BMW X3 2.0 20d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 MHT M Sport Auto 4WD Euro 6 5dr (187 bhp)
• Year: 2021
• Mileage: 72,046 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: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 72,046 miles, this 2021 BMW X3 M Sport has covered about 23,400 more miles than other 2021 BMW X3 cars. The AskCar estimate for this car is £21,991. It is priced at £21,694, which is £297 below that estimate. The AskCar estimate uses 2,992 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 26 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Phoenix Cars in Winchester. 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: £297 (1%) under the AskCar estimate of £21,991.

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 26 days.

Price history

AskCar first saw this advert on 7 October 2026 at £21,694. 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 2 November 2026: valid until 18 June 2027.

It failed its MOT on 18 June 2026 (nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed later the same day.

Advisories at the latest test: nearside front shock absorbers has light misting of oil.

Mileage at that test: 67,774 miles, which matches the advertised 72,046 miles.

Advertised mileage is about 23,400 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, white. Mileage: 70,616 miles. Price: £22,050, £356 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-9aa4ae5e808a
• 2021 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 70,308 miles. Price: £22,400, £706 more than this car. Dealer: Marshall BMW Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-b7db4556555b
• 2021 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 74,061 miles. Price: £20,395, £1,299 less than this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-429fffb73511

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, silver, 19 miles from this car. Mileage: 12,230 miles. Price: £27,295, £5,601 more than this car. Dealer: Snows BMW Portsmouth in Portsmouth. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-bfa73053770e