2018 BMW X3 2.0 20d M Sport
Price: £19,995. Fair price: £510 (2%) under the AskCar estimate of £20,505, 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: 2.0 20d M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
- Year: 2018
- Mileage: 53,031 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: White
- CO2: 144 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 BMW X3 M Sport is advertised with 53,031 miles, approximately 11,400 below the typical mileage for its age. The dealer is asking £19,995, which is £510 below the AskCar estimate of £20,505. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. We first recorded this advert 100 days ago, and its asking price has since fallen by £1,000. Its advertised mileage matches the government's MOT record. The seller is BRM Car Sales Scunthorpe, based in Scunthorpe. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £510 (2%) under the AskCar estimate of £20,505.
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 2.0 diesel engine is typically advertised at £18,500: the median of the 151 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2018 BMW X3 has been on sale for at least 100 days.
Price history
AskCar first saw this advert on 25 July 2026 at £20,995. Its asking price is now £19,995, £1,000 less. The latest price cut was seen on 21 September 2026.
Price changes recorded:
- 25 July 2026: £20,995
- 25 August 2026: £20,990
- 8 September 2026: £20,450
- 21 September 2026: £19,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 5 February 2027.
It has had 9 MOTs. The latest, on 6 February 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 49,641 miles, which matches the advertised 53,031 miles.
Advertised mileage is about 11,400 miles lower than the median mileage of a 2018 BMW X3 on AskCar.
Similar cars
78 other 2018 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £13,250 to £23,289, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 53,319 miles. Price: £20,000, the same price as this car. Dealer: Richard Nash Nearly New Car Centre in Norwich. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-946d5b333f38
- 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 52,444 miles. Price: £18,299, £1,696 less than this car. Dealer: cinch in Bristol. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-34739b53cf0b
- 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 54,013 miles. Price: £18,999, £996 less than this car. Dealer: Wheatley Car Centre in Wheatley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-96179054691e
- The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, black, 3 miles from this car. Mileage: 75,617 miles. Price: £16,894, £3,101 less than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-1321e7198467
Browse all BMW X3 cars for sale · 2018 BMW X3 price guide
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Photos
91 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.