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: 33,500 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

This 2018 BMW X3 M Sport is advertised with 33,500 miles, approximately 30,900 below the typical mileage for its age. The dealer is asking £22,690, which is £3,539 below the AskCar estimate of £26,229. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. We first recorded this advert 32 days ago, and its asking price has since fallen by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Werrington Motor Sales in Peterborough. 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: £3,539 (13%) under the AskCar estimate of £26,229.

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 32 days.

Price history

AskCar first saw this advert on 1 October 2026 at £22,990. Its asking price is now £22,690, £300 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

• 1 October 2026: £22,990
• 18 October 2026: £22,690

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 March 2027.

It has had 6 MOTs. The latest, on 9 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 32,627 miles, which matches the advertised 33,500 miles.

Advertised mileage is about 30,900 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, £5,160 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, grey. Mileage: 35,268 miles. Price: £22,830, £140 more than this car. Dealer: Evans Halshaw Ford Darlington in Darlington. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-cabfaf6f0c4a
• 2018 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 31,414 miles. Price: £22,500, £190 less than this car. Dealer: Carbase Weston-super-Mare in Weston-super-Mare. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b2dfe91bb5ca

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, black, 5 miles from this car. Mileage: 128,000 miles. Price: £15,950, £6,740 less than this car. Dealer: Max Motors 2 in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-88a60b4b5f6e