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: 48,712 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 48,712 miles, this 2018 BMW X3 M Sport has covered about 15,700 fewer miles than other 2018 BMW X3 cars. Its asking price of £25,000 is £802 above the AskCar estimate of £24,198. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. Since we first spotted the advert 52 days ago, the asking price has dropped by £2,000. The latest recorded MOT expiry date is 23 September 2026, which has passed. Confirm its status with the dealer. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sytner Warwick BMW, based in Warwick. 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: £802 (3%) over the AskCar estimate of £24,198.

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 52 days.

Price history

AskCar first saw this advert on 11 September 2026 at £27,000. Its asking price is now £25,000, £2,000 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 11 September 2026: £27,000
• 29 September 2026: £26,000
• 13 October 2026: £25,500
• 27 October 2026: £25,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 23 September 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 11 September 2025, passed.

Advisories at the latest test: rear tyre worn close to legal limit/worn on edge both.

Mileage at that test: 43,123 miles, which matches the advertised 48,712 miles.

Advertised mileage is about 15,700 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, grey. Mileage: 48,000 miles. Price: £25,995, £995 more than this car. Dealer: Cavendish UK Car Sales in Sudbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-dea507c5df46
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 49,900 miles. Price: £24,995, the same price as this car. Dealer: Arena Cars in Ash and Ash Vale. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-27f67c184384
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 44,118 miles. Price: £27,000, £2,000 more than this car. Dealer: Listers BMW King's Lynn in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-092d9838a40e

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, silver, 8 miles from this car. Mileage: 77,000 miles. Price: £20,000, £5,000 less than this car. Dealer: Marton Car Sales in Coventry. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-e409518ddd20