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: 18,707 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 18,707 miles on the clock, this 2021 BMW X3 M Sport has done roughly 29,900 fewer miles than a typical 2021 BMW X3. The dealer is asking £25,730, which is £3,373 below the AskCar estimate of £29,103. 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 advert 84 days ago, and its asking price has since fallen by £2,910. Our latest MOT record expired on 12 August 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Big Motoring World Norwich, based in Norwich. 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

Good value: £3,373 (11%) under the AskCar estimate of £29,103.

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 84 days.

Price history

AskCar first saw this advert on 10 August 2026 at £28,640. Its asking price is now £25,730, £2,910 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 10 August 2026: £28,640
• 12 August 2026: £28,650
• 19 August 2026: £28,190
• 25 August 2026: £28,110
• 29 August 2026: £27,800
• 1 September 2026: £27,850
• 8 September 2026: £27,560
• 12 September 2026: £27,310
• 16 September 2026: £26,810
• 24 September 2026: £27,050
• 29 September 2026: £26,720
• 30 September 2026: £26,710
• 1 October 2026: £26,720
• 6 October 2026: £26,670
• 7 October 2026: £26,650
• 13 October 2026: £26,350
• 14 October 2026: £26,310
• 16 October 2026: £26,230
• 17 October 2026: £26,170
• 19 October 2026: £26,180
• 24 October 2026: £25,880
• 28 October 2026: £25,730

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 12 August 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 11 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 18,706 miles, which matches the advertised 18,707 miles.

Advertised mileage is about 29,900 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. Mileage: 20,000 miles. Price: £26,500, £770 more than this car. Dealer: Pristine Car Sales in Harrow. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-63629b3d5b6a
• 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 16,605 miles. Price: £26,990, £1,260 more than this car. Dealer: Daniel Alexander Motor Group in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-4e0dd0572f35
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 21,518 miles. Price: £28,750, £3,020 more than this car. Dealer: Sytner Nottingham BMW in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-66150e4b2ac7

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, grey, 4 miles from this car. Mileage: 29,825 miles. Price: £28,990, £3,260 more than this car. Dealer: Group 1 Norwich BMW in Norwich. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-7dc3758813fa