2023 BMW X3

3.0 M40i MHT Auto 4WD Euro 6 (s/s) 5dr (355 bhp)

£45,000

Fair price: within 8% of the typical £46,176 for this model, age and mileage, drawing on 3,009 adverts of this make and model.

Overview

Make
BMW
Model
X3
Version
3.0 M40i MHT Auto 4WD Euro 6 (s/s) 5dr (355 bhp)
Mileage
20,572 miles
Year
2023
Fuel type
Petrol Hybrid
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Power
355 bhp
Seats
5
CO2
207 g/km
Colour
Grey
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
M40i; MHT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

At 20,572 miles, this 2023 BMW X3 has covered about 8,000 fewer miles than other 2023 BMW X3 cars. The dealer is asking £45,000, which is £1,176 below our market estimate of £46,176. Our estimate draws on 3,009 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 5 days. You can find this car at Saxtons.co.uk in Chelmsford.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 October 2026, 5 days ago. Advert duration calculated on 22 October 2026.

Recorded asking prices
Date observedAsking price
17 October 2026£45,000
21 October 2026£45,000

Price and mileage comparison

Estimated market asking price: £46,176. The asking price is £1,176 below this estimate.

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

The pricing calculation includes 3,009 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 8,000 miles lower than typical for a 2023 BMW X3.

MOT

MOT no details held by dvla.

21 other cars with the same year, trim, gearbox and fuel are for sale from £36,880 to £51,250.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£36,88061,100 miles
£39,49541,420 miles
£39,99529,000 miles
£41,99532,999 miles
£42,50020,209 miles

These cars have covered 6,963–61,100 miles, compared with 20,572 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

Similar cars for less

Dealer

Saxtons.co.uk, Chelmsford. Across the dealer network: 838 cars for sale.

Dealer postcode: CM1 3BH.

Dealer opening hours

Monday
08:00-20:00
Tuesday
08:00-20:00
Wednesday
08:00-20:00
Thursday
08:00-20:00
Friday
08:00-20:00
Saturday
09:00-18:00
Sunday
09:00-17:00

Vehicle photos