2021 BMW X3 2.0 20i MHT M Sport

Price: £29,898. Fair price: £1,191 (4%) over the AskCar estimate of £28,707, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,034 priced BMW X3 adverts on AskCar as of 4 November 2026.

AskCar lists 3,115 used BMW X3 from 1,212 UK dealerships, as of 4 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 2.0 20i MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
  • Year: 2021
  • Mileage: 32,000 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 175 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 32,000 miles on the clock, this 2021 BMW X3 M Sport has done roughly 16,900 fewer miles than a typical 2021 BMW X3. Priced at £29,898, it is advertised £1,191 above the AskCar estimate of £28,707. 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 121 days ago, the asking price has dropped by £1,100. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Kirkcaldy BMW, based in Kirkcaldy. 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: £1,191 (4%) over the AskCar estimate of £28,707.

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 petrol 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 121 days.

Price history

AskCar first saw this advert on 6 July 2026 at £30,998. Its asking price is now £29,898, £1,100 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

  • 6 July 2026: £30,998
  • 25 July 2026: £30,498
  • 8 October 2026: £30,298
  • 21 October 2026: £29,898

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 1 July 2027.

It has had 3 MOTs. The latest, on 2 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 32,001 miles, which matches the advertised 32,000 miles.

Advertised mileage is about 16,900 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

24 other 2021 BMW X3 M Sport 2.0 petrol automatic SUVs are for sale at UK dealers, from £20,499 to £31,771, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 31,761 miles. Price: £27,995, £1,903 less than this car. Dealer: Sinclair Direct in Bridgend. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-76b70657864b
  • 2021 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 31,250 miles. Price: £24,995, £4,903 less than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-f8a668c62c3e
  • 2021 BMW X3 M Sport, 2.0 petrol SUV, silver. Mileage: 30,069 miles. Price: £28,950, £948 less than this car. Dealer: JKC BMW in Coleraine. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-b6e144597b76
  • The nearest: 2021 BMW X3 M Sport, 2.0 petrol SUV, blue, 131 miles from this car. Mileage: 23,295 miles. Price: £27,535, £2,363 less than this car. Dealer: Vertu BMW Teesside in Teesside. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-0026e7520398

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

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Photos

20 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.