2018 BMW X3 3.0 30d M Sport
Price: £17,495. Good value: £1,533 (8%) under the AskCar estimate of £19,028, 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 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)
- Year: 2018
- Mileage: 84,920 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 261 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 157 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 BMW X3 M Sport has covered 84,920 miles, around 20,000 more miles than is typical for its age. Its asking price of £17,495 is £1,533 below the AskCar estimate of £19,028. The AskCar estimate draws on 3,034 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 1 day ago. It is for sale at Position One Motor Company in Leatherhead. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Good value: £1,533 (8%) under the AskCar estimate of £19,028.
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 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 4 November 2026.
Time on sale
AskCar first saw this 2018 BMW X3 advertised 1 day ago. About 4 in 10 of 2018 BMW X3 cars are gone from sale within a month of being advertised: 95 of the 216 first advertised between 9 July 2026 and 1 October 2026.
Price history
AskCar first saw this advert on 3 November 2026 at £17,495. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 20,000 miles higher than the median mileage of a 2018 BMW X3 on AskCar.
Similar cars
43 other 2018 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £17,495 to £29,450, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 86,000 miles. Price: £19,995, £2,500 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7d0a1c679aa1
- 2018 BMW X3 M Sport, 3.0 diesel SUV. Mileage: 88,000 miles. Price: £22,990, £5,495 more than this car. Dealer: Starline Car Sales in Stamford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-21114233081a
- 2018 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 81,000 miles. Price: £18,495, £1,000 more than this car. Dealer: Lewis Motors Direct in Aberystwyth. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-fed27fe113ee
- The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, black, 17 miles from this car. Mileage: 49,900 miles. Price: £24,995, £7,500 more than this car. Dealer: Arena Cars in Ash and Ash Vale. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-27f67c184384
Browse all BMW X3 cars for sale · 2018 BMW X3 price guide
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Photos
62 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.