2023 BMW X3 3.0 30d MHT M Sport

Version: 3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)

Price: £35,000. Fair price: £1,131 (3%) under the AskCar estimate of £36,131, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,993 priced BMW X3 adverts on AskCar as of 30 October 2026.

AskCar lists 3,047 used BMW X3 from 1,191 UK dealerships, as of 30 October 2026.

Overview

Make
BMW
Model
X3
Trim
M Sport
Version
3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)
Mileage
44,355 miles
Year
2023
Fuel type
Diesel
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Power
282 bhp
Seats
5
CO2
164 g/km
Colour
Grey
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
30d; MHT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

At 44,355 miles, this 2023 BMW X3 M Sport has covered about 15,100 more miles than other 2023 BMW X3 cars. Its asking price of £35,000 is £1,131 below the AskCar estimate of £36,131. The AskCar estimate uses UK dealer asking prices, including 2,993 BMW X3 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data today. The seller is Sytner High Wycombe BMW, based in High Wycombe.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£35,000

Price and mileage comparison

Fair price: £1,131 (3%) under the AskCar estimate of £36,131.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 2,993 priced BMW X3 adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 15,100 miles higher than the median mileage of a 2023 BMW X3 on AskCar.

Other matching cars

136 other 2023 BMW X3 M Sport automatic diesel cars are for sale at UK dealers from £26,750 to £41,495, as of 30 October 2026.

The 5 cheapest:

The 136 matching cars have covered 6,795 to 74,583 miles, compared with 44,355 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all BMW X3 cars for sale · 2023 BMW X3 price guide

More like this

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.