2021 BMW X3

2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)

£19,350

Fair price: within 8% of the typical £20,036 for this model, age and mileage, drawing on 2,889 adverts of this make and model.

Overview

Make
BMW
Model
X3
Trim
M SPORT
Version
2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
Mileage
85,245 miles
Year
2021
Fuel type
Diesel Hybrid
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
5
CO2
157 g/km
Colour
Blue
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
20d; MHT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

This 2021 BMW X3 M Sport is advertised with 85,245 miles, approximately 35,700 above the typical mileage for its age. At £19,350, it is advertised £686 below our estimated market asking price of £20,036. To estimate its market asking price, we analyse UK dealer adverts for 2,889 BMW X3 cars across different ages and specifications. We first saw this car advertised 32 days ago. Its asking price has since fallen by £900. The latest MOT record shows an expiry date of 11 June 2027, with the advertised mileage consistent with the recorded reading. It is for sale at Car Planet Watford in Rickmansworth.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 22 September 2026, 32 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £900 from the first recorded £20,250. 3 price reductions recorded, the latest observed on 19 October 2026.

Recorded asking prices
Date observedAsking price
22 September 2026£20,250
7 October 2026£19,950
13 October 2026£19,650
19 October 2026£19,350
23 October 2026£19,350

Price and mileage comparison

Estimated market asking price: £20,036. The asking price is £686 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 2,889 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 35,700 miles higher than typical for a 2021 BMW X3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 11 June 2027. 80,989 miles at the last test.

97 other cars with the same year, trim, gearbox and fuel are for sale from £16,295 to £36,500.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£16,295114,230 miles
£17,697100,743 miles
£18,75085,302 miles
£20,20087,665 miles
£20,49574,061 miles

These cars have covered 12,230–114,230 miles, compared with 85,245 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

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