2018 BMW X3 3.0 M40d
Price: £28,000. Fair price: £2,069 (7%) over the AskCar estimate of £25,931, 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 M40d Auto 4WD Euro 6 (s/s) 5dr (322 bhp)
- Year: 2018
- Mileage: 59,903 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 322 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 169 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 59,903 miles, this 2018 BMW X3 has covered about 3,800 fewer miles than other 2018 BMW X3 cars. The AskCar estimate for this car is £25,931. It is priced at £28,000, which is £2,069 above that estimate. The AskCar estimate uses UK dealer asking prices, including 3,033 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 19 days. Its advertised mileage matches the government's MOT record. 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 8 November 2026.
Price
Fair price: £2,069 (7%) over the AskCar estimate of £25,931.
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 2018 BMW X3 with the 3.0 diesel engine is typically advertised at £22,000: the median of the 64 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2018 BMW X3 has been on sale for at least 19 days.
Price history
AskCar first saw this advert on 20 October 2026 at £28,000. 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 22 February 2027.
It has had 6 MOTs. The latest, on 13 February 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 55,805 miles, which matches the advertised 59,903 miles.
Advertised mileage is about 3,800 miles lower than the median mileage of a 2018 BMW X3 on AskCar.
Browse all BMW X3 cars for sale · 2018 BMW X3 price guide
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Photos
34 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,762 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.