2018 BMW X3 3.0 30d M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)
• Year: 2018
• Mileage: 31,414 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 31,414 miles, this 2018 BMW X3 M Sport has covered about 33,000 fewer miles than other 2018 BMW X3 cars. Its asking price of £22,500 is £4,020 below the AskCar estimate of £26,520. The AskCar estimate uses 2,992 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 158 days ago, and its asking price has since fallen by £2,500. Its recorded MOT is valid until 22 February 2027. The seller is Carbase Weston-super-Mare, based in Weston-Super-Mare. 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

Good value: £4,020 (15%) under the AskCar estimate of £26,520.

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 3.0 diesel engine is typically advertised at £22,000: the median of the 64 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 £25,000. Its asking price is now £22,500, £2,500 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 28 May 2026: £25,000
• 2 June 2026: £25,482
• 3 June 2026: £25,423
• 4 June 2026: £25,460
• 5 June 2026: £25,447
• 8 June 2026: £25,408
• 16 June 2026: £25,000
• 18 June 2026: £25,346
• 19 June 2026: £25,219
• 22 June 2026: £25,000
• 23 June 2026: £24,799
• 24 June 2026: £24,881
• 30 June 2026: £25,000
• 2 July 2026: £24,875
• 3 July 2026: £24,751
• 4 July 2026: £24,745
• 6 July 2026: £24,709
• 9 July 2026: £24,524
• 11 July 2026: £24,510
• 13 July 2026: £24,424
• 18 July 2026: £24,138
• 21 July 2026: £24,186
• 24 July 2026: £24,064
• 27 July 2026: £24,021
• 31 July 2026: £23,774
• 4 August 2026: £23,770
• 6 August 2026: £23,742
• 8 August 2026: £23,746
• 14 August 2026: £23,731
• 19 August 2026: £23,745
• 21 August 2026: £23,731
• 22 August 2026: £23,718
• 25 August 2026: £23,691
• 27 August 2026: £23,356
• 29 August 2026: £23,347
• 2 September 2026: £23,408
• 24 September 2026: £23,057
• 29 September 2026: £23,020
• 30 September 2026: £23,017
• 1 October 2026: £22,973
• 9 October 2026: £22,885
• 13 October 2026: £22,849
• 24 October 2026: £22,636
• 31 October 2026: £22,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 22 February 2027.

It has had 10 MOTs. The latest, on 23 February 2026, passed.

There were no advisories at the latest test.

Advertised mileage is about 33,000 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

43 other 2018 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £15,950 to £29,950, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 3.0 diesel SUV, white. Mileage: 31,813 miles. Price: £27,850, £5,350 more than this car. Dealer: Sandal BMW Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-a5d573df7ab1
• 2018 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 33,500 miles. Price: £22,690, £190 more than this car. Dealer: Werrington Motor Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-12606fac4812
• 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 35,268 miles. Price: £22,830, £330 more than this car. Dealer: Evans Halshaw Ford Darlington in Darlington. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-cabfaf6f0c4a

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, black, 13 miles from this car. Mileage: 67,296 miles. Price: £21,991, £509 less than this car. Dealer: Cardiff Trade Sales in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-586f46145a52