2018 BMW X3 3.0 30d M Sport
Price: £21,500. Fair price: £1,142 (5%) over the AskCar estimate of £20,358, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,992 priced BMW X3 adverts on AskCar as of 2 November 2026.
AskCar lists 3,072 used BMW X3 from 1,209 UK dealerships, as of 2 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: 76,000 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 261 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 157 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 76,000 miles, this 2018 BMW X3 M Sport has covered about 11,600 more miles than other 2018 BMW X3 cars. Priced at £21,500, it is advertised £1,142 above the AskCar estimate of £20,358. The AskCar estimate draws on 2,992 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 38 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is PMA Cars NI, based in Newry. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,142 (5%) over the AskCar estimate of £20,358.
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 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 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 2 November 2026.
Time on sale
This 2018 BMW X3 has been on sale for at least 38 days.
Price history
AskCar first saw this advert on 25 September 2026 at £21,500. 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 2 November 2026: valid until 31 July 2027.
It has had 8 MOTs. The latest, on 23 July 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 76,153 miles, which matches the advertised 76,000 miles.
Advertised mileage is about 11,600 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 £15,950 to £29,950, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 76,000 miles. Price: £20,500, £1,000 less than this car. Dealer: Simply Cars in Sittingbourne. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-99c690059881
- 2018 BMW X3 M Sport, 3.0 diesel SUV, white. Mileage: 75,327 miles. Price: £19,850, £1,650 less than this car. Dealer: Parkway Motor Group in Edwinstowe. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6a21158aa10a
- 2018 BMW X3 M Sport, 3.0 diesel SUV, silver. Mileage: 77,000 miles. Price: £20,000, £1,500 less than this car. Dealer: Marton Car Sales in Coventry. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-e409518ddd20
- The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, white, 69 miles from this car. Mileage: 77,842 miles. Price: £19,988, £1,512 less than this car. Dealer: Desmond Motors Londonderry in Derry. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-8cc1b6c7e40a
Browse all BMW X3 cars for sale · 2018 BMW X3 price guide
More like this
- Used BMW X3 M Sport prices
- Used BMW X3 for sale under £30,000
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Photos
11 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.