2018 BMW X3 2.0 20d M Sport
Price: £17,995. Fair price: £813 (4%) under the AskCar estimate of £18,808, 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: 2.0 20d M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
- Year: 2018
- Mileage: 66,310 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 138 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
The advertised mileage for this 2018 BMW X3 M Sport is 66,310 miles. Priced at £17,995, it is advertised £813 below the AskCar estimate of £18,808. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 19 days. Its advertised mileage matches the government's MOT record. You can find this car at Merc Autobarn in Hayes. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £813 (4%) under the AskCar estimate of £18,808.
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 2.0 diesel engine is typically advertised at £18,400: the median of the 147 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2018 BMW X3 has been on sale for at least 19 days.
Price history
AskCar first saw this advert on 16 October 2026 at £17,995. 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 4 November 2026: valid until 30 March 2027.
It has had 6 MOTs. The latest, on 31 March 2026, passed.
Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.
Mileage at that test: 62,515 miles, which matches the advertised 66,310 miles.
Advertised mileage is about 1,400 miles higher than the median mileage of a 2018 BMW X3 on AskCar.
Similar cars
79 other 2018 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £12,950 to £23,289, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 65,146 miles. Price: £19,190, £1,195 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-36158c4c851e
- 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 67,514 miles. Price: £17,490, £505 less than this car. Dealer: Pinewood Autos in Godstone. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-666c48d20423
- 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 68,618 miles. Price: £19,900, £1,905 more than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-ec84a6ea05cd
- The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, blue, 5 miles from this car. Mileage: 47,814 miles. Price: £21,261, £3,266 more than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-e91539afb853
Browse all BMW X3 cars for sale · 2018 BMW X3 price guide
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Photos
6 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.