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: 37,890 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: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 37,890 miles, this 2021 BMW X3 M Sport has covered about 11,000 fewer miles than other 2021 BMW X3 cars. Priced at £27,990, it is advertised £1,434 above the AskCar estimate of £26,556. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 36 days ago, and its asking price has since fallen by £500. Its advertised mileage matches the government's MOT record. The seller is Exoria Cars, based in Abbots Langley. 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: £1,434 (5%) over the AskCar estimate of £26,556.

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

This 2021 BMW X3 has been on sale for at least 36 days.

Price history

AskCar first saw this advert on 29 September 2026 at £28,490. Its asking price is now £27,990, £500 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 29 September 2026: £28,490
• 3 November 2026: £27,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 20 November 2026.

It failed its MOT on 21 November 2025 (windscreen damaged but not adversely affecting driver's view; nearside front windscreen wiper does not clear the windscreen effectively; offside front windscreen wiper does not clear the windscreen effectively) and passed later the same day.

Advisories at the latest test: offside front tyre slightly damaged/cracking or perishing; nearside rear tyre slightly damaged/cracking or perishing; offside rear tyre slightly damaged/cracking or perishing; and 2 more.

Mileage at that test: 35,808 miles, which matches the advertised 37,890 miles.

Advertised mileage is about 11,000 miles lower 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, black. Mileage: 37,722 miles. Price: £22,995, £4,995 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, white. Mileage: 37,692 miles. Price: £26,990, £1,000 less than this car. Dealer: Group 1 Southend BMW in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-c620d2f50d3d
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 37,022 miles. Price: £27,899, £91 less than this car. Dealer: Halliwell Jones Southport BMW in Southport. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-368792481842

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, silver, 5 miles from this car. Mileage: 63,090 miles. Price: £21,150, £6,840 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-23d0903df2a0