2018 BMW X3 3.0 M40i Sport
Price: £25,795. Fair price: £620 (2%) over the AskCar estimate of £25,175, 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
- Trim: Sport
- Version: 3.0 M40i Sport Auto 4WD Euro 6 5dr (354 bhp)
- Year: 2018
- Mileage: 67,332 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 354 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Silver
- CO2: 209 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 67,332 miles, this 2018 BMW X3 Sport has covered about 3,600 more miles than other 2018 BMW X3 cars. The AskCar estimate for this car is £25,175. It is priced at £25,795, which is £620 above that estimate. The AskCar estimate draws on 3,033 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 29 days ago, and its asking price has since fallen by £1,700. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Hailsham BMW, based in Hailsham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £620 (2%) over the AskCar estimate of £25,175.
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 petrol 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 29 days.
Price history
AskCar first saw this advert on 10 October 2026 at £27,495. Its asking price is now £25,795, £1,700 less. The latest price cut was seen on 6 November 2026.
Price changes recorded:
- 10 October 2026: £27,495
- 16 October 2026: £26,495
- 28 October 2026: £25,995
- 6 November 2026: £25,795
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 21 November 2026.
It has had 6 MOTs. The latest, on 11 November 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 62,123 miles, which matches the advertised 67,332 miles.
Advertised mileage is about 3,600 miles higher than the median mileage of a 2018 BMW X3 on AskCar.
Similar cars
1 other 2018 BMW X3 Sport 3.0 petrol automatic SUV is for sale at UK dealers, as of 8 November 2026.
The closest to this car in mileage:
- 2018 BMW X3 Sport, 3.0 petrol SUV, black. Mileage: 73,500 miles. Price: £26,090, £295 more than this car. Dealer: Williams Bmw Stockport in Stockport. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6d8b631a038f
Browse all BMW X3 cars for sale · 2018 BMW X3 price guide
More like this
- Used BMW X3 Sport prices
- Used BMW X3 for sale under £30,000
- Used petrol BMW X3 for sale
- Used BMW X3 for sale near Eastbourne
Photos
36 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.