2018 BMW X6 3.0 40d M Sport

Price: £23,299. Fair price: £331 (1%) under the AskCar estimate of £23,630, our expected asking price for this car from its model, age, mileage and specification, drawing on 536 priced BMW X6 adverts on AskCar as of 2 November 2026.

AskCar lists 550 used BMW X6 from 384 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: X6
  • Trim: M Sport
  • Version: 3.0 40d M Sport Auto 4WD Euro 6 (s/s) 5dr (309 bhp)
  • Year: 2018
  • Mileage: 52,302 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 309 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 165 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 52,302 miles, this 2018 BMW X6 M Sport has covered about 10,800 fewer miles than other 2018 BMW X6 cars. Priced at £23,299, it is advertised £331 below the AskCar estimate of £23,630. 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 2 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Pine Lodge Cars, based in Whitchurch. 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: £331 (1%) under the AskCar estimate of £23,630.

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

AskCar first saw this 2018 BMW X6 advertised 2 days ago. About 3 in 10 of 2018 BMW X6 cars are gone from sale within a month of being advertised: 20 of the 58 first advertised between 14 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 31 October 2026 at £23,299. 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 7 June 2027.

It failed its MOT on 15 May 2026 (engine MIL inoperative or indicates a malfunction) and passed later the same day.

Advisories at the latest test: covers.

Mileage at that test: 50,098 miles, which matches the advertised 52,302 miles.

Advertised mileage is about 10,800 miles lower 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 £13,995 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, white. Mileage: 52,000 miles. Price: £23,995, £696 more than this car. Dealer: RWD Motor Group in Ossett. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-13659c5f22a7
  • 2018 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 51,807 miles. Price: £21,990, £1,309 less than this car. Dealer: East Kilbride Used Car Centre in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-27876e8c967d
  • 2018 BMW X6 M Sport, 3.0 diesel SUV, red. Mileage: 53,450 miles. Price: £22,490, £809 less than this car. Dealer: Hanar Cars (UK) in Hoddesdon. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-9c9a936f29b4
  • The nearest: 2018 BMW X6 M Sport, 3.0 diesel SUV, black, 29 miles from this car. Mileage: 128,000 miles. Price: £15,748, £7,551 less than this car. Dealer: UP Prestige in Bridgnorth. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-a09314e1c6f5

Browse all BMW X6 cars for sale · 2018 BMW X6 price guide

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Photos

67 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.