2018 BMW X6

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

£25,990

Fair price: within 8% of the typical £24,068 for this model, age and mileage, drawing on 514 adverts of this make and model.

Overview

Make
BMW
Model
X6
Trim
M SPORT EDITION
Version
3.0 40d M Sport Edition Auto 4WD Euro 6 (s/s) 5dr (309 bhp)
Mileage
61,229 miles
Year
2018
Fuel type
Diesel
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Power
309 bhp
Seats
5
CO2
183 g/km
Colour
Black
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
40d
Emissions standard
Euro 6

About this car

This 2018 BMW X6 M Sport Edition is advertised with 61,229 miles, approximately 8,000 below the typical mileage for its age. At £25,990, it is advertised £1,922 above our estimated market asking price of £24,068. The estimate uses 514 UK dealer adverts for the BMW X6, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 112 days ago. The recorded MOT expired on 13 August 2026, so ask the dealer whether it has been renewed. Its advertised mileage is consistent with the latest recorded MOT reading. It is for sale at 5th Gear Motor Company in Chislehurst.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 1 July 2026, 112 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observedAsking price
1 July 2026£25,490
6 July 2026£25,490
9 July 2026£25,990
10 July 2026£25,990
19 September 2026£25,990
7 October 2026£25,990
20 October 2026£25,990

Price and mileage comparison

Estimated market asking price: £24,068. The asking price is £1,922 above 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 8,000 miles lower than typical for a 2018 BMW X6.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 13 August 2026. 53,269 miles at the last test.

10 other cars with the same year, trim, gearbox and fuel are for sale from £15,500 to £29,950.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£15,50099,504 miles
£19,490100,751 miles
£19,99572,227 miles
£20,99074,625 miles
£21,79068,800 miles

These cars have covered 34,000–100,751 miles, compared with 61,229 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

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Dealer

5th Gear Motor Company, Chislehurst. Across the dealer network: 11 cars for sale.

Dealer postcode: BR7 6RJ.

Dealer opening hours

Monday
08:00-19:45
Tuesday
08:00-19:45
Wednesday
08:00-19:45
Thursday
08:00-19:45
Friday
08:00-19:45
Saturday
08:00-19:45
Sunday
08:00-19:45

Vehicle photos