2023 BMW X3 3.0 M40i MHT
Price: £46,000. Fair price: £969 (2%) under the AskCar estimate of £46,969, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,033 priced BMW X3 adverts on AskCar as of 8 November 2026.
AskCar lists 3,134 used BMW X3 from 1,223 UK dealerships, as of 8 November 2026.
Overview
- Make: BMW
- Model: X3
- Version: 3.0 M40i MHT Auto 4WD Euro 6 (s/s) 5dr (355 bhp)
- Year: 2023
- Mileage: 16,540 miles
- Fuel: Petrol, mild hybrid
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 355 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 207 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 BMW X3 is advertised with 16,540 miles, approximately 13,300 below the typical mileage for its age. Its asking price of £46,000 is £969 below the AskCar estimate of £46,969. The AskCar estimate draws on 3,033 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 8 days ago. Its advertised mileage matches the government's MOT record. The seller is Sytner Cardiff BMW, based in Cardiff. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £969 (2%) under the AskCar estimate of £46,969.
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 3,033 priced BMW X3 adverts across different ages and specifications, as of 8 November 2026.
A 2023 BMW X3 with the 3.0 petrol engine is typically advertised at £41,000: the median of the 75 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2023 BMW X3 has been on sale for at least 8 days.
Price history
AskCar first saw this advert on 31 October 2026 at £46,000. 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 8 November 2026: valid until 29 September 2027.
It has had one MOT, on 2 September 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 16,188 miles, which matches the advertised 16,540 miles.
Advertised mileage is about 13,300 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
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Photos
22 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.