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: 27,860 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

With 27,860 miles on the clock, this 2021 BMW X3 M Sport has done roughly 21,000 fewer miles than a typical 2021 BMW X3. Priced at £25,330, it is advertised £2,963 below the AskCar estimate of £28,293. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. Since we first spotted the advert 69 days ago, the asking price has dropped by £2,370. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Marshall BMW Scunthorpe, based in Scunthorpe. 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

Good value: £2,963 (10%) under the AskCar estimate of £28,293.

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 69 days.

Price history

AskCar first saw this advert on 27 August 2026 at £27,700. Its asking price is now £25,330, £2,370 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 27 August 2026: £27,700
• 10 September 2026: £27,800
• 11 September 2026: £27,400
• 18 September 2026: £27,300
• 25 September 2026: £26,800
• 9 October 2026: £26,900
• 10 October 2026: £26,500
• 17 October 2026: £26,100
• 24 October 2026: £25,700
• 28 October 2026: £25,330

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 14 June 2027.

It has had 4 MOTs. The latest, on 15 June 2026, passed.

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

Mileage at that test: 27,338 miles, which matches the advertised 27,860 miles.

Advertised mileage is about 21,000 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, blue. Mileage: 27,983 miles. Price: £26,744, £1,414 more than this car. Dealer: Vertu BMW Teesside in Teesside. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-14837c8601f5
• 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 28,487 miles. Price: £26,449, £1,119 more than this car. Dealer: Lloyd Motor Group in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-40ce5a6e9fe7
• 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 28,487 miles. Price: £26,449, £1,119 more than this car. Dealer: Lloyd South Lakes BMW in Grange-over-Sands. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-fba4128c002e

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, under a mile from this car. Mileage: 42,561 miles. Price: £24,700, £630 less than this car. Dealer: Marshall BMW Scunthorpe in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-84e1b2e43765