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: 105,437 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 105,437 miles, this 2018 BMW X3 M Sport has covered about 41,000 more miles than other 2018 BMW X3 cars. The AskCar estimate for this car is £14,376. It is priced at £13,597, which is £779 below that estimate. The AskCar estimate draws on 2,992 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 158 days ago. Its asking price has since fallen by £393. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by SR Motors in Swindon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £779 (5%) under the AskCar estimate of £14,376.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £13,990. Its asking price is now £13,597, £393 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 28 May 2026: £13,990
• 1 June 2026: £13,790
• 16 June 2026: £14,532
• 25 June 2026: £14,429
• 4 July 2026: £14,327
• 29 July 2026: £14,209
• 30 July 2026: £14,212
• 14 August 2026: £14,098
• 26 August 2026: £13,490
• 27 August 2026: £14,001
• 10 September 2026: £13,900
• 6 October 2026: £13,490
• 7 October 2026: £13,718
• 20 October 2026: £13,750
• 28 October 2026: £13,597

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 February 2027.

It failed its MOT on 5 January 2026 (nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed 45 days later, on 19 February 2026.

There were no advisories at the latest test.

Mileage at that test: 105,650 miles, which matches the advertised 105,437 miles.

Advertised mileage is about 41,000 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, white. Mileage: 103,730 miles. Price: £14,995, £1,398 more than this car. Dealer: Hiline Motors in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f9a2f7ef4dff
• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 101,000 miles. Price: £16,990, £3,393 more than this car. Dealer: Car Shop 365 in Bradford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b000c711bf14
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 98,668 miles. Price: £15,490, £1,893 more than this car. Dealer: Xenon Automotive in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-03744430ef8f

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, black, 29 miles from this car. Mileage: 30,233 miles. Price: £21,995, £8,398 more than this car. Dealer: Wheelers Chipping Norton in Chipping Norton. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6db462328a37