2018 BMW X3 2.0 20d M Sport

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: 49,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport has covered 49,000 miles. Priced at £23,289, it is advertised £2,438 above the AskCar estimate of £20,851. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 67 days ago. Ask the dealer why the advert shows fewer miles than the 50,819 recorded at the latest MOT. Its recorded MOT is valid until 19 July 2027. It is advertised by Starline Car Sales in Rutland. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,438 (11%) over the AskCar estimate of £20,851.

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 67 days.

Price history

AskCar first saw this advert on 29 August 2026 at £23,289. 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 19 July 2027.

It has had 6 MOTs. The latest, on 20 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,819 miles. The advert says 49,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 15,900 miles lower 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 £22,990, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 48,924 miles. Price: £19,490, £3,799 less than this car. Dealer: S.J. Rayner (Cars) in Kidderminster. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-38bb13d1d3cb
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 50,000 miles. Price: £19,495, £3,794 less than this car. Dealer: Bateman & Lynch Cars Tavistock in Tavistock. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-8c80ccda58c3
• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 47,814 miles. Price: £21,261, £2,028 less than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-e91539afb853

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, white, 1 miles from this car. Mileage: 54,596 miles. Price: £19,695, £3,594 less than this car. Dealer: Sycamore Stamford in Stamford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-478b56a8b77c