2021 BMW X3

Overview

Make

BMW

Model

X3

Trim

M SPORT

Version

2.0 xDrive20i M Sport Auto 4WD Euro 6 5dr (181 bhp)

Mileage

42,185 miles

Year

2021

Fuel type

Petrol

Body type

SUV

Engine

2.0 L

Gearbox

Automatic

Power

181 bhp

Seats

5

CO2

178 g/km

Colour

Blue

Doors

5

Driven wheels

Four Wheel Drive

Engine badge

20i

Emissions standard

Euro 6

About this car

At 42,185 miles, this 2021 BMW X3 M Sport has covered about 6,200 fewer miles than other 2021 BMW X3 cars. The dealer is asking £25,475, which is £1,008 below our market estimate of £26,483. To estimate its market asking price, we analyse UK dealer adverts for 2,970 BMW X3 cars across different ages and specifications. Since we first spotted the advert 23 days ago, the asking price has dropped by £1,000. Its recorded MOT is valid until 21 September 2027, and its advertised mileage is consistent with the latest MOT reading. It is advertised by Group 1 Worthing BMW in Littlehampton.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £26,483. The asking price is £1,008 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 6,200 miles lower than typical for a 2021 BMW X3.

The advertised mileage is consistent with the last MOT reading.