2023 BMW X3 3.0 M40i M Sport

Price: £36,000. Fair price: £220 (under 1%) under the AskCar estimate of £36,220, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,034 priced BMW X3 adverts on AskCar as of 4 November 2026.

AskCar lists 3,115 used BMW X3 from 1,212 UK dealerships, as of 4 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 3.0 M Sport Auto 5dr
  • Year: 2023
  • Mileage: 26,490 miles
  • Fuel: Petrol, mild hybrid
  • Body: 5 doors
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Colour: Grey
  • CO2: 21 g/km

About this car

With 26,490 miles on the clock, this 2023 BMW X3 M Sport has done roughly 3,600 fewer miles than a typical 2023 BMW X3. Its asking price of £36,000 is £220 below the AskCar estimate of £36,220. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 1 day ago. The seller is Sytner Warwick BMW, based in Warwick. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £220 (under 1%) under the AskCar estimate of £36,220.

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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 November 2026.

A 2023 BMW X3 with the 3.0 petrol engine is typically advertised at £41,500: the median of the 72 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2023 BMW X3 advertised 1 day ago. About 4 in 10 of 2023 BMW X3 cars are gone from sale within a month of being advertised: 138 of the 340 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £36,000. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 3,600 miles lower than the median mileage of a 2023 BMW X3 on AskCar.

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

More like this

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.