2018 BMW X6 3.0 30d M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (254 bhp)
• Year: 2018
• Mileage: 120,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 120,000 miles, this 2018 BMW X6 M Sport has covered about 56,900 more miles than other 2018 BMW X6 cars. The AskCar estimate for this car is £15,265. It is priced at £13,995, which is £1,270 below that estimate. The AskCar estimate uses 536 UK dealer adverts for the BMW X6, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 13 days ago. Its advertised mileage matches the government's MOT record. The seller is See Cars Nottingham, based in Derby. 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: £1,270 (8%) under the AskCar estimate of £15,265.

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 536 priced BMW X6 adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW X6 with the 3.0 diesel engine is typically advertised at £22,000: the median of the 52 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW X6 has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 20 October 2026 at £13,995. 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 31 July 2027.

It has had 8 MOTs. The latest, on 28 July 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge; nearside rear nail in tyre.

Mileage at that test: 114,302 miles, which matches the advertised 120,000 miles.

Advertised mileage is about 56,900 miles higher than the median mileage of a 2018 BMW X6 on AskCar.

Similar cars

31 other 2018 BMW X6 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £14,799 to £29,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 128,000 miles. Price: £15,748, £1,753 more than this car. Dealer: UP Prestige in Bridgnorth. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-a09314e1c6f5
• 2018 BMW X6 M Sport, 3.0 diesel SUV, white. Mileage: 129,000 miles. Price: £14,799, £804 more than this car. Dealer: Southern Automotive Solutions in Southampton. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-2cc7e1115ff0
• 2018 BMW X6 M Sport, 3.0 diesel SUV, white. Mileage: 92,700 miles. Price: £19,995, £6,000 more than this car. Dealer: Diamond Motor House in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-fbc64ac61276

• The nearest: 2018 BMW X6 M Sport, 3.0 diesel SUV, black, 14 miles from this car. Mileage: 33,000 miles. Price: £24,995, £11,000 more than this car. Dealer: Alan Tully Cars in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-8a0273b0d3a2