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: 70,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 70,000 miles, this 2018 BMW X3 M Sport has covered about 5,600 more miles than other 2018 BMW X3 cars. Priced at £21,480, it is advertised £240 above the AskCar estimate of £21,240. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. This car was first seen in our listings data 45 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at The Car Arena in Nottingham. 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: £240 (1%) over the AskCar estimate of £21,240.

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 45 days.

Price history

AskCar first saw this advert on 18 September 2026 at £21,480. 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 2 November 2026: valid until 12 June 2027.

It has had 6 MOTs. The latest, on 11 June 2026, passed.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing; offside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 66,258 miles, which matches the advertised 70,000 miles.

Advertised mileage is about 5,600 miles higher 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, blue. Mileage: 68,601 miles. Price: £21,099, £381 less than this car. Dealer: Lookers Mercedes-Benz of Shrewsbury in Shrewsbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-ee97904c1d65
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 71,400 miles. Price: £21,995, £515 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-052155fd718a
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 67,296 miles. Price: £21,991, £511 more than this car. Dealer: Cardiff Trade Sales in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-586f46145a52

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, black, 7 miles from this car. Mileage: 79,483 miles. Price: £24,000, £2,520 more than this car. Dealer: Sytner Nottingham BMW in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-dc165de5364c