2021 BMW X3 2.0 30e M Sport

Price: £20,331. Fair price: £533 (2%) under the AskCar estimate of £20,864, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,992 priced BMW X3 adverts on AskCar as of 2 November 2026.

AskCar lists 3,072 used BMW X3 from 1,209 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 2.0 12kWh 30e M Sport Auto 4WD Euro 6 (s/s) 5dr (288 bhp)
  • Year: 2021
  • Mileage: 84,918 miles
  • Fuel: Plug-in hybrid (petrol)
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 288 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 47 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 84,918 miles, this 2021 BMW X3 M Sport has covered about 36,300 more miles than other 2021 BMW X3 cars. Priced at £20,331, it is advertised £533 below the AskCar estimate of £20,864. The AskCar estimate uses UK dealer asking prices, including 2,992 BMW X3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 158 days ago, the asking price has dropped by £2,065. Our latest MOT record expired on 17 October 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 Quality Part X Dunstable, based in Dunstable. 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

Fair price: £533 (2%) under the AskCar estimate of £20,864.

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 plug-in hybrid 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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £22,396. Its asking price is now £20,331, £2,065 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

  • 29 May 2026: £22,396
  • 30 May 2026: £22,391
  • 2 June 2026: £22,386
  • 5 June 2026: £22,381
  • 9 June 2026: £22,200
  • 16 June 2026: £22,986
  • 18 June 2026: £22,946
  • 20 June 2026: £22,900
  • 25 June 2026: £22,896
  • 27 June 2026: £22,881
  • 30 June 2026: £22,861
  • 2 July 2026: £22,700
  • 4 July 2026: £22,600
  • 7 July 2026: £22,591
  • 9 July 2026: £22,500
  • 12 July 2026: £22,486
  • 14 July 2026: £22,476
  • 16 July 2026: £22,400
  • 18 July 2026: £22,300
  • 21 July 2026: £22,296
  • 23 July 2026: £22,100
  • 26 July 2026: £22,096
  • 27 July 2026: £22,000
  • 4 August 2026: £21,996
  • 7 August 2026: £21,981
  • 15 August 2026: £21,900
  • 18 August 2026: £21,896
  • 20 August 2026: £21,876
  • 21 August 2026: £21,800
  • 24 August 2026: £21,755
  • 27 August 2026: £21,740
  • 29 August 2026: £21,685
  • 1 September 2026: £21,650
  • 3 September 2026: £21,630
  • 5 September 2026: £21,600
  • 8 September 2026: £21,595
  • 10 September 2026: £21,550
  • 12 September 2026: £21,540
  • 16 September 2026: £21,500
  • 18 September 2026: £21,450
  • 21 September 2026: £21,440
  • 24 September 2026: £21,435
  • 25 September 2026: £21,335
  • 29 September 2026: £21,300
  • 1 October 2026: £21,285
  • 3 October 2026: £21,250
  • 6 October 2026: £21,200
  • 8 October 2026: £21,186
  • 10 October 2026: £21,151
  • 13 October 2026: £21,000
  • 16 October 2026: £20,700
  • 20 October 2026: £20,500
  • 22 October 2026: £20,400
  • 24 October 2026: £20,381
  • 27 October 2026: £20,356
  • 29 October 2026: £20,346
  • 31 October 2026: £20,331

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 17 October 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 10 October 2025, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 76,072 miles, which matches the advertised 84,918 miles.

Advertised mileage is about 36,300 miles higher than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

34 other 2021 BMW X3 M Sport 2.0 plug-in hybrid automatic SUVs are for sale at UK dealers, from £16,581 to £34,000, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW X3 M Sport, 2.0 plug-in hybrid SUV, blue. Mileage: 84,321 miles. Price: £18,990, £1,341 less than this car. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-ff867d1de317
  • 2021 BMW X3 M Sport, 2.0 plug-in hybrid SUV, white. Mileage: 83,979 miles. Price: £20,100, £231 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-1773131a064c
  • 2021 BMW X3 M Sport, 2.0 plug-in hybrid SUV, black. Mileage: 80,973 miles. Price: £20,499, £168 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-73292b0a89ce
  • The nearest: 2021 BMW X3 M Sport, 2.0 plug-in hybrid SUV, silver, under a mile from this car. Mileage: 93,490 miles. Price: £16,581, £3,750 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-7b404ff8ea0b

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

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Photos

45 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.