2021 BMW X3 2.0 30e Xline

Price: £23,389. Fair price: £820 (3%) over the AskCar estimate of £22,569, 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: Xline
  • Version: 2.0 12kWh 30e Xline Auto 4WD Euro 6 (s/s) 5dr (288 bhp)
  • Year: 2021
  • Mileage: 44,317 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: Blue
  • CO2: 46 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 44,317 miles on the clock, this 2021 BMW X3 Xline has done roughly 4,300 fewer miles than a typical 2021 BMW X3. The dealer is asking £23,389, which is £820 above the AskCar estimate of £22,569. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Snows BMW Portsmouth, based in Portsmouth. 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: £820 (3%) over the AskCar estimate of £22,569.

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

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: 136 of the 286 first advertised between 13 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 2 November 2026 at £23,389. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 31 July 2027.

It has had 4 MOTs. The latest, on 2 November 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 44,142 miles, which matches the advertised 44,317 miles.

Advertised mileage is about 4,300 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

8 other 2021 BMW X3 Xline 2.0 plug-in hybrid automatic SUVs are for sale at UK dealers, from £16,999 to £25,450, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW X3 Xline, 2.0 plug-in hybrid SUV, black. Mileage: 43,683 miles. Price: £22,999, £390 less than this car. Dealer: HPL Wirral in Bromborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-e8c56f06555f
  • 2021 BMW X3 Xline, 2.0 plug-in hybrid SUV, grey. Mileage: 46,692 miles. Price: £23,485, £96 more than this car. Dealer: Williams Bmw Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-df3fad908e5d
  • 2021 BMW X3 Xline, 2.0 plug-in hybrid SUV, white. Mileage: 47,101 miles. Price: £21,649, £1,740 less than this car. Dealer: Motorpoint Birtley in Birtley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-a5a44fed836d
  • The nearest: 2021 BMW X3 Xline, 2.0 plug-in hybrid SUV, black, 87 miles from this car. Mileage: 25,000 miles. Price: £25,450, £2,061 more than this car. Dealer: Westleigh Prestige in Wickford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-a304809bfa03

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

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Photos

55 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.