2023 BMW X3 3.0 30d MHT M Sport
Price: £38,990. Fair price: £1,791 (4%) over the AskCar estimate of £37,199, 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 MHT M Sport Auto 4WD Euro 6 5dr (281 bhp)
- Year: 2023
- Mileage: 34,692 miles
- Fuel: Diesel, mild hybrid
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 281 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 165 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 34,692 miles on the clock, this 2023 BMW X3 M Sport has done roughly 4,600 more miles than a typical 2023 BMW X3. The dealer is asking £38,990, which is £1,791 above the AskCar estimate of £37,199. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. We have tracked this advert for 6 days. Its advertised mileage matches the government's MOT record. The seller is Lloyd Colne BMW, based in Colne. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £1,791 (4%) over the AskCar estimate of £37,199.
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 diesel 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 6 days 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 29 October 2026 at £38,990. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 10 September 2027.
It has had one MOT, on 11 September 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 32,992 miles, which matches the advertised 34,692 miles.
Advertised mileage is about 4,600 miles higher than the median mileage of a 2023 BMW X3 on AskCar.
Similar cars
26 other 2023 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £31,399 to £41,490, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2023 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 33,834 miles. Price: £38,498, £492 less than this car. Dealer: Arnold Clark Inverness BMW in Inverness. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-44d52d9817e1
- 2023 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 32,502 miles. Price: £37,949, £1,041 less than this car. Dealer: Lloyd South Lakes BMW in Grange-over-Sands. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-e6c0eeb6bf06
- 2023 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 37,591 miles. Price: £38,390, £600 less than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-9972d29250a3
Browse all BMW X3 cars for sale · 2023 BMW X3 price guide
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Photos
20 photos of this car are on its AskCar page.
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.