2018 BMW X3 2.0 20d M Sport
Price: £21,459. Above the going rate: £2,875 (15%) over the AskCar estimate of £18,584, 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: 68,700 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 68,700 miles on the clock, this 2018 BMW X3 M Sport has done roughly 4,300 more miles than a typical 2018 BMW X3. The dealer is asking £21,459, which is £2,875 above the AskCar estimate of £18,584. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. We have tracked this advert for 107 days. It is advertised by S&A Motorcade in Walsall. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Above the going rate: £2,875 (15%) over the AskCar estimate of £18,584.
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 107 days.
Price history
AskCar first saw this advert on 18 July 2026 at £21,459. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 4,300 miles higher 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: 68,618 miles. Price: £19,900, £1,559 less than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-ec84a6ea05cd
- 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 68,865 miles. Price: £17,795, £3,664 less than this car. Dealer: Independent Vehicle Sales in Stockport. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-bff41c34d153
- 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 69,229 miles. Price: £18,385, £3,074 less than this car. Dealer: Bayer Car Sales in Fareham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-4265cf840051
- The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, black, 7 miles from this car. Mileage: 36,000 miles. Price: £22,000, £541 more than this car. Dealer: Sytner Oldbury BMW in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-710ea5cac93a
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
- Used diesel BMW X3 for sale
- Used BMW X3 for sale near Wolverhampton
Photos
10 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.