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: 52,480 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: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport is advertised with 52,480 miles, approximately 3,900 above the typical mileage for its age. The dealer is asking £26,498, which is £1,871 above the AskCar estimate of £24,627. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. We first recorded this car for sale 20 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Irvine BMW, based in Irvine. 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: £1,871 (7%) over the AskCar estimate of £24,627.

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 20 days.

Price history

AskCar first saw this advert on 13 October 2026 at £26,498. 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 27 October 2027.

It has had 3 MOTs. The latest, on 30 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 52,486 miles, which matches the advertised 52,480 miles.

Advertised mileage is about 3,900 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, black. Mileage: 52,680 miles. Price: £23,799, £2,699 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-15e343dee05c
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 52,800 miles. Price: £25,750, £748 less than this car. Dealer: Reynolds Motor Group Southend-on-sea in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-33a77f1dc82c
• 2021 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 52,000 miles. Price: £24,295, £2,203 less than this car. Dealer: Crisps Paramount Garage in Saxmundham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-9441bb136dec

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, under a mile from this car. Mileage: 37,735 miles. Price: £24,998, £1,500 less than this car. Dealer: Arnold Clark Irvine BMW in Irvine. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-71f99b09b6fa