2023 BMW X3 M

3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)

£54,450

Fair price: within 8% of the typical £51,045 for this model, age and mileage, drawing on 130 adverts of this make and model.

Overview

Make
BMW
Model
X3 M
Trim
COMPETITION
Version
3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)
Mileage
55,692 miles
Year
2023
Fuel type
Petrol
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Power
503 bhp
Seats
5
CO2
247 g/km
Colour
White
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
Competition
Emissions standard
Euro 6

About this car

With 55,692 miles on the clock, this 2023 BMW X3 M Competition has done roughly 28,300 more miles than a typical 2023 BMW X3 M. Our estimated market asking price is £51,045. This car is advertised at £54,450, which is £3,405 above that figure. To estimate its market asking price, we analyse UK dealer adverts for 130 BMW X3 M cars across different ages and specifications. Since we first spotted the advert 107 days ago, the asking price has dropped by £2,640. It may give you a starting point for a conversation about price. Its recorded MOT is valid until 11 February 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Stratstone BMW Bury St Edmunds, based in Bury St Edmunds.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 6 July 2026, 107 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £2,640 from the first recorded £57,090. 4 price reductions recorded, the latest observed on 19 September 2026.

Recorded asking prices
Date observedAsking price
6 July 2026£57,090
7 July 2026£57,090
14 July 2026£56,690
15 July 2026£56,690
6 August 2026£56,090
21 August 2026£55,790
19 September 2026£54,450
20 October 2026£54,450

Price and mileage comparison

Estimated market asking price: £51,045. The asking price is £3,405 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 130 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 28,300 miles higher than typical for a 2023 BMW X3 M.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 11 February 2027. 30,930 miles at the last test.

15 other cars with the same year, trim, gearbox and fuel are for sale from £48,995 to £64,990.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£48,99569,712 miles
£57,98032,000 miles
£58,00042,000 miles
£58,79930,923 miles
£58,86029,998 miles

These cars have covered 6,302–69,712 miles, compared with 55,692 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 M cars for sale · 2023 BMW X3 M price guide

Dealer

Stratstone BMW Bury St Edmunds, Bury St Edmunds. Across the dealer network: 108 branches, 2,739 cars for sale.

Dealer postcode: IP31 1SX.

Vehicle photos