2021 BMW X3 2.0 20d MHT M Sport

Price: £29,490. Fair price: £2,091 (7%) over the AskCar estimate of £27,399, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,052 priced BMW X3 adverts on AskCar as of 7 November 2026.

AskCar lists 3,156 used BMW X3 from 1,227 UK dealerships, as of 7 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 2.0 xDrive20d MHT M Sport Auto 4WD Euro 6 5dr Step (187 bhp)
  • Year: 2021
  • Mileage: 26,071 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 160 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport is advertised with 26,071 miles, approximately 21,400 below the typical mileage for its age. Priced at £29,490, it is advertised £2,091 above the AskCar estimate of £27,399. To work out the AskCar estimate, we analyse UK dealer adverts for 3,052 BMW X3 cars across different ages and specifications. This car was first seen in our listings data today. The seller is Lloyd Select Blackpool, based in Blackpool. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,091 (7%) over the AskCar estimate of £27,399.

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 3,052 priced BMW X3 adverts across different ages and specifications, as of 7 November 2026.

A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,500: the median of the 175 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2021 BMW X3 advertised today. About half of 2021 BMW X3 cars are gone from sale within a month of being advertised: 145 of the 311 first advertised between 13 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £29,490. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 21,400 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

98 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 7 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 27,200 miles. Price: £35,995, £6,505 more than this car. Dealer: A C G Motors in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-af61103938b5
  • 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 28,487 miles. Price: £26,449, £3,041 less 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, £3,041 less 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, white, under a mile from this car. Mileage: 41,120 miles. Price: £23,995, £5,495 less than this car. Dealer: Lloyd Blackpool BMW in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-7f1fa333b4f7

Browse all BMW X3 cars for sale · 2021 BMW X3 price guide

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Photos

61 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.