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: 49,432 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 160 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport is advertised with 49,432 miles on the clock. Priced at £24,955, it is advertised £73 below the AskCar estimate of £25,028. 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 5 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Hippo Approved, based in Blackburn. 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: £73 (under 1%) under the AskCar estimate of £25,028.

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

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: 136 of the 286 first advertised between 13 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 28 October 2026 at £24,955. 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 25 March 2027.

It failed its MOT on 13 March 2026 (offside front tyre has ply or cords exposed; offside rear tyre has ply or cords exposed) and passed 5 days later, on 18 March 2026.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 40,437 miles, which matches the advertised 49,432 miles.

Advertised mileage is about 800 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: 49,974 miles. Price: £23,500, £1,455 less than this car. Dealer: Marshall BMW Salisbury in Salisbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-a56847b25802
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 48,214 miles. Price: £25,400, £445 more than this car. Dealer: John Clark BMW Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-f9b6bdc6f2a2
• 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 51,000 miles. Price: £25,995, £1,040 more than this car. Dealer: Hynes Motors in Newry. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-82793afad31c

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, blue, 5 miles from this car. Mileage: 88,900 miles. Price: £22,749, £2,206 less than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-a2734e8a5377