2021 BMW X3

2.0 12kWh 30e M Sport Auto 4WD Euro 6 (s/s) 5dr (288 bhp)

£20,400

Fair price: within 8% of the typical £21,171 for this model, age and mileage, drawing on 3,009 adverts of this make and model.

Overview

Make
BMW
Model
X3
Trim
M SPORT
Version
2.0 12kWh 30e M Sport Auto 4WD Euro 6 (s/s) 5dr (288 bhp)
Mileage
83,979 miles
Year
2021
Fuel type
Petrol Plug-in Hybrid
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Power
288 bhp
Seats
5
CO2
47 g/km
Colour
White
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
30e
Hybrid type
Plug-in hybrid
Emissions standard
Euro 6

About this car

With 83,979 miles on the clock, this 2021 BMW X3 M Sport has done roughly 34,500 more miles than a typical 2021 BMW X3. At £20,400, it is advertised £771 below our estimated market asking price of £21,171. To estimate its market asking price, we analyse UK dealer adverts for 3,009 BMW X3 cars across different ages and specifications. Since we first spotted the advert 69 days ago, the asking price has dropped by £2,400. That may be worth mentioning if you discuss the price with the dealer. The latest MOT record shows an expiry date of 26 May 2027, with the advertised mileage consistent with the recorded reading. It is advertised by Car Planet Barnet in New Southgate.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 15 August 2026, 69 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £2,400 from the first recorded £22,800. 8 price reductions recorded, the latest observed on 21 October 2026.

Recorded asking prices
Date observedAsking price
15 August 2026£22,800
8 September 2026£22,500
15 September 2026£22,200
22 September 2026£21,900
28 September 2026£21,600
4 October 2026£21,300
9 October 2026£21,000
16 October 2026£20,700
21 October 2026£20,400

Price and mileage comparison

Estimated market asking price: £21,171. The asking price is £771 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 3,009 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 34,500 miles higher than typical for a 2021 BMW X3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 26 May 2027. 83,970 miles at the last test.

40 other cars with the same year, trim, gearbox and fuel are for sale from £16,800 to £36,000.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£16,80093,490 miles
£17,230101,000 miles
£17,499121,280 miles
£17,745111,600 miles
£18,48996,718 miles

These cars have covered 14,924–121,280 miles, compared with 83,979 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos