2018 BMW X3 2.0 20d M Sport
Price: £19,990. Fair price: £52 (under 1%) over the AskCar estimate of £19,938, 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 xDrive20d M Sport Auto 4WD Euro 6 5dr (187 bhp)
- Year: 2018
- Mileage: 58,200 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 165 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 BMW X3 M Sport has covered 58,200 miles, around 6,200 fewer miles than is typical for its age. Priced at £19,990, it is advertised £52 above the AskCar estimate of £19,938. The AskCar estimate uses 2,992 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 10 days ago, the asking price has dropped by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone BMW Milton Keynes, based in Milton Keynes. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £52 (under 1%) over the AskCar estimate of £19,938.
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 10 days.
Price history
AskCar first saw this advert on 23 October 2026 at £20,490. Its asking price is now £19,990, £500 less. The latest price cut was seen on 30 October 2026.
Price changes recorded:
- 23 October 2026: £20,490
- 30 October 2026: £19,990
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 September 2027.
It has had 7 MOTs. The latest, on 27 August 2026, passed.
Advisories at the latest test: nearside front tyre slightly damaged/cracking or perishing.
Mileage at that test: 57,586 miles, which matches the advertised 58,200 miles.
Advertised mileage is about 6,200 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, grey. Mileage: 58,266 miles. Price: £21,250, £1,260 more than this car. Dealer: Grange Road Motors in Cookstown. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-3c4adc31d225
- 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 58,553 miles. Price: £20,991, £1,001 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-9c837096e260
- 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 59,000 miles. Price: £18,495, £1,495 less than this car. Dealer: Greenhous Shrewsbury in Shrewsbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-04ecf3e94bd0
- The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, white, 13 miles from this car. Mileage: 61,158 miles. Price: £19,495, £495 less than this car. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-40b1c567c12c
Browse all BMW X3 cars for sale · 2018 BMW X3 price guide
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Photos
32 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.