2018 BMW X6

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

£15,748

Fair price: within 8% of the typical £15,202 for this model, age and mileage, drawing on 523 adverts of this make and model.

Overview

Make
BMW
Model
X6
Trim
M SPORT
Version
3.0 40d M Sport Auto 4WD Euro 6 (s/s) 5dr (309 bhp)
Mileage
128,000 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
Black
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
40d
Emissions standard
Euro 6

About this car

This 2018 BMW X6 M Sport has covered 128,000 miles, around 58,300 more than typical for its age. At £15,748, it is advertised £546 above our estimated market asking price of £15,202. Our estimate draws on 523 BMW X6 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 70 days ago, and its asking price has since fallen by £1,140. The time on sale and price change could be useful context when negotiating. Its MOT is recorded as valid until 25 June 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by UP Prestige in Bridgnorth.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 14 August 2026, 70 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £1,140 from the first recorded £16,888. 6 price reductions recorded, the latest observed on 14 October 2026.

Recorded asking prices
Date observedAsking price
14 August 2026£16,888
17 August 2026£16,748
11 September 2026£16,488
14 September 2026£16,248
19 September 2026£15,998
22 September 2026£15,988
14 October 2026£15,748
22 October 2026£15,748

Price and mileage comparison

Estimated market asking price: £15,202. The asking price is £546 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 523 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 58,300 miles higher than typical for a 2018 BMW X6.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 25 June 2027. 127,505 miles at the last test.

30 other cars with the same year, trim, gearbox and fuel are for sale from £13,995 to £29,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£13,995120,000 miles
£14,799129,000 miles
£18,74585,086 miles
£19,17597,717 miles
£19,25078,946 miles

These cars have covered 10,000–129,000 miles, compared with 128,000 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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos