2018 BMW X6

Overview

Make

BMW

Model

X6

Trim

M SPORT

Version

3.0 40d M Sport Auto 4WD Euro 6 (s/s) 5dr (309 bhp)

Mileage

10,000 miles

Year

2018

Fuel type

Diesel

Body type

SUV

Engine

3.0 L

Gearbox

Automatic

Power

309 bhp

Seats

5

CO2

165 g/km

Colour

Silver

Doors

5

Driven wheels

Four Wheel Drive

Engine badge

40d

Emissions standard

Euro 6

About this car

The advertised mileage for this 2018 BMW X6 M Sport is 10,000 miles. Its asking price of £23,990 is £5,302 below our estimate of £29,292. To estimate its market asking price, we analyse UK dealer adverts for 514 BMW X6 cars across different ages and specifications. It first appeared in our advert records 146 days ago. The latest MOT recorded 69,489 miles, above the advertised mileage. Check this with the dealer. Its MOT is recorded as valid until 7 December 2026. It is advertised by Sleaford Car Centre in Peterborough.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £29,292. The asking price is £5,302 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 514 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 59,200 miles lower than typical for a 2018 BMW X6.

Mileage concern: the advertised mileage is below the last MOT reading; ask the dealer to explain.