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: 37,692 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 37,692 miles on the clock, this 2021 BMW X3 M Sport has done roughly 10,900 fewer miles than a typical 2021 BMW X3. The dealer is asking £26,990, which is £43 above the AskCar estimate of £26,947. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. This car was first seen in our listings data 49 days ago. Its advertised mileage matches the government's MOT record. The seller is Group 1 Southend BMW, based in Leigh-on-SEA. 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: £43 (under 1%) over the AskCar estimate of £26,947.

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 49 days.

Price history

AskCar first saw this advert on 14 September 2026 at £26,990. Its asking price has not changed.

Price changes recorded:

• 14 September 2026: £26,990
• 23 September 2026: £27,990
• 2 October 2026: £27,890
• 14 October 2026: £27,490
• 21 October 2026: £27,790
• 24 October 2026: £27,490
• 31 October 2026: £26,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 19 April 2027.

It has had 3 MOTs. The latest, on 20 April 2026, passed.

Advisories at the latest test: small chips on front screen.

Mileage at that test: 35,582 miles, which matches the advertised 37,692 miles.

Advertised mileage is about 10,900 miles lower 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: 37,722 miles. Price: £22,995, £3,995 less than this car. Dealer: Asahi Motors London in London. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-5edf87efffa6
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 37,735 miles. Price: £24,998, £1,992 less than this car. Dealer: Arnold Clark Irvine BMW in Irvine. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-71f99b09b6fa
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 37,890 miles. Price: £28,490, £1,500 more than this car. Dealer: Exoria Cars in St Albans. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-824ed99099f9

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, 3 miles from this car. Mileage: 52,800 miles. Price: £25,750, £1,240 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