2021 BMW X3

2.0 MHT M Sport Auto 4WD Euro 6 5dr (187 bhp)

£27,950

Fair price: within 8% of the typical £27,167 for this model, age and mileage, drawing on 2,996 adverts of this make and model.

Overview

Make: BMW
Model: X3
Trim: M SPORT
Version: 2.0 MHT M Sport Auto 4WD Euro 6 5dr (187 bhp)
Mileage: 37,566 miles
Year: 2021
Fuel type: Diesel Hybrid
Body type: SUV
Engine: 2.0 L
Gearbox: Automatic
Power: 187 bhp
Seats: 5
CO2: 156 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

At 37,566 miles, this 2021 BMW X3 M Sport has covered about 10,900 fewer miles than other 2021 BMW X3 cars. Its asking price of £27,950 is £783 above our estimate of £27,167. Our estimate draws on 2,996 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 54 days ago, the asking price has dropped by £1,000. MOT records show an expiry date of 5 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Cotswold Bmw Cheltenham, based in Cheltenham.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 August 2026, 54 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £1,000 from the first recorded £28,950. 1 price reduction recorded, the latest observed on 1 October 2026.

Recorded asking prices
Date observed	Asking price
28 August 2026	£28,950
1 October 2026	£27,950
20 October 2026	£27,950

Price and mileage comparison

Estimated market asking price: £27,167. The asking price is £783 above 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 2,996 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 10,900 miles lower than typical for a 2021 BMW X3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 5 July 2027. 36,904 miles at the last test.

110 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 price	Mileage
£16,295	114,230 miles
£17,697	100,743 miles
£18,750	85,302 miles
£19,350	85,245 miles
£20,400	87,665 miles

These cars have covered 12,230–114,230 miles, compared with 37,566 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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Dealer

Cotswold Bmw Cheltenham, Cheltenham. Across the dealer network: 110 cars for sale.

Dealer postcode: GL51 6UP.