2021 BMW X4

Overview

Make

BMW

Model

X4

Version

3.0 M40i Auto 4WD Euro 6 (s/s) 5dr (355 bhp)

Mileage

46,902 miles

Year

2021

Fuel type

Petrol

Body type

SUV

Engine

3.0 L

Gearbox

Automatic

Power

355 bhp

Seats

5

CO2

203 g/km

Colour

Grey

Doors

5

Driven wheels

Four Wheel Drive

Engine badge

M40i

Emissions standard

Euro 6

About this car

This 2021 BMW X4 has covered 46,902 miles. Our estimated market asking price is £32,598. This car is advertised at £31,500, which is £1,098 below that figure. We use UK dealer asking prices, including 655 BMW X4 listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 8 days ago, the asking price has dropped by £500. The latest MOT record shows an expiry date of 29 January 2027, with the advertised mileage consistent with the recorded reading. It is advertised by Sytner Harold Wood BMW in Romford.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £32,598. The asking price is £1,098 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 655 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 1,900 miles lower than typical for a 2021 BMW X4.

The advertised mileage is consistent with the last MOT reading.