2023 BMW X3 3.0 M40i MHT

Price: £45,990. Fair price: £792 (1%) over the AskCar estimate of £45,198, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,052 priced BMW X3 adverts on AskCar as of 7 November 2026.

AskCar lists 3,156 used BMW X3 from 1,227 UK dealerships, as of 7 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Version: 3.0 M40i MHT Auto 4WD Euro 6 (s/s) 5dr (355 bhp)
  • Year: 2023
  • Mileage: 25,565 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 355 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 207 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 has covered 25,565 miles, around 4,300 fewer miles than is typical for its age. The AskCar estimate for this car is £45,198. It is priced at £45,990, which is £792 above that estimate. The AskCar estimate uses UK dealer asking prices, including 3,052 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Norwich BMW, based in Norwich. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £792 (1%) over the AskCar estimate of £45,198.

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 3,052 priced BMW X3 adverts across different ages and specifications, as of 7 November 2026.

A 2023 BMW X3 with the 3.0 petrol engine is typically advertised at £40,700: the median of the 76 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2023 BMW X3 advertised today. About 4 in 10 of 2023 BMW X3 cars are gone from sale within a month of being advertised: 139 of the 358 first advertised between 8 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £45,990. 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 7 November 2026: valid until 28 May 2027.

It has had one MOT, on 8 May 2026, and passed.

Advisories at the latest test: nearside front tyre has a cut but not deep enough to reach the ply or cords; offside front tyre has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 20,485 miles, which matches the advertised 25,565 miles.

Advertised mileage is about 4,300 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

1 photo of this car is on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.