2021 BMW X3

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

£25,200

Fair price: within 8% of the typical £27,272 for this model, age and mileage, drawing on 2,970 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
34,950 miles
Year
2021
Fuel type
Diesel Hybrid
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
5
CO2
159 g/km
Colour
Black
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 34,950 miles, approximately 13,400 below the typical mileage for its age. Our estimated market asking price is £27,272. This car is advertised at £25,200, which is £2,072 below that figure. To estimate its market asking price, we analyse UK dealer adverts for 2,970 BMW X3 cars across different ages and specifications. We first recorded this advert 53 days ago, and its asking price has since fallen by £1,800. Its recorded MOT is valid until 28 April 2027, and its advertised mileage is consistent with the latest MOT reading. It is for sale at Car Planet Watford in Rickmansworth.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 August 2026, 53 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £1,800 from the first recorded £27,000. 6 price reductions recorded, the latest observed on 19 October 2026.

Recorded asking prices
Date observedAsking price
28 August 2026£27,000
15 September 2026£26,700
22 September 2026£26,400
28 September 2026£26,100
4 October 2026£25,800
9 October 2026£25,500
19 October 2026£25,200

Price and mileage comparison

Estimated market asking price: £27,272. The asking price is £2,072 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 2,970 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 13,400 miles lower than typical for a 2021 BMW X3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 28 April 2027. 31,519 miles at the last test.

107 other cars with the same year, trim, gearbox and fuel are for sale from £16,295 to £52,000.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£16,295114,230 miles
£17,697100,743 miles
£18,75085,302 miles
£19,35085,245 miles
£20,40087,665 miles

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

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Dealer

Car Planet Watford, Rickmansworth. Across the dealer network: 2 branches, 1,860 cars for sale.

Dealer postcode: WD3 3RT.

Dealer opening hours

Monday
09:00-21:00
Tuesday
09:00-21:00
Wednesday
09:00-21:00
Thursday
09:00-21:00
Friday
09:00-21:00
Saturday
09:00-21:00
Sunday
10:00-17:00

Vehicle photos