2021 BMW X3

3.0 M40i Auto 4WD Euro 6 5dr (354 bhp)

£29,950

Fair price: within 8% of the typical £31,489 for this model, age and mileage, drawing on 2,986 adverts of this make and model.

Overview

Make: BMW
Model: X3
Version: 3.0 M40i Auto 4WD Euro 6 5dr (354 bhp)
Mileage: 64,000 miles
Year: 2021
Fuel type: Petrol
Body type: SUV
Engine: 3.0 L
Gearbox: Automatic
Power: 354 bhp
Seats: 5
Colour: Black
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: M40i
Emissions standard: Euro 6

About this car

With 64,000 miles on the clock, this 2021 BMW X3 has done roughly 14,800 more miles than a typical 2021 BMW X3. Its asking price of £29,950 is £1,539 below our estimate of £31,489. To estimate its market asking price, we analyse UK dealer adverts for 2,986 BMW X3 cars across different ages and specifications. It first appeared in our advert records 1 day ago. The latest MOT record shows an expiry date of 23 March 2027, with the advertised mileage consistent with the recorded reading. It is advertised by Westleigh Prestige in Basildon.

Stock data from 29 October 2026.

How we estimate prices and check cars

Price history

First seen on 29 October 2026, 1 days ago. Advert duration calculated on 30 October 2026.

Recorded asking prices
Date observed	Asking price
29 October 2026	£29,950

Price and mileage comparison

Estimated market asking price: £31,489. The asking price is £1,539 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 2,986 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 14,800 miles higher than typical for a 2021 BMW X3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 23 March 2027. 58,744 miles at the last test.

14 other cars with the same year, trim, gearbox and fuel are for sale from £28,946 to £42,980.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£28,946	71,000 miles
£29,980	78,707 miles
£29,999	77,000 miles
£30,970	65,000 miles
£31,250	49,250 miles

These cars have covered 24,019–78,707 miles, compared with 64,000 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

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Vehicle photos

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