2018 BMW X6

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

£20,990

Fair price: within 8% of the typical £22,040 for this model, age and mileage, drawing on 513 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
74,625 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
Blue
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 74,625 miles, approximately 4,900 above the typical mileage for its age. At £20,990, it is advertised £1,050 below our estimated market asking price of £22,040. To estimate its market asking price, we analyse UK dealer adverts for 513 BMW X6 cars across different ages and specifications. It first appeared in our advert records 34 days ago. Its recorded MOT is valid until 1 September 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Sagitta Automotive, based in Derby.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 16 September 2026, 34 days ago. Advert duration calculated on 20 October 2026.

Recorded asking prices
Date observedAsking price
16 September 2026£19,995
18 September 2026£20,990
19 October 2026£20,990

Price and mileage comparison

Estimated market asking price: £22,040. The asking price is £1,050 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 513 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 4,900 miles higher than typical for a 2018 BMW X6.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 1 September 2027. 74,409 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
£21,79068,800 miles
£21,96068,114 miles

These cars have covered 34,000–100,751 miles, compared with 74,625 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

Sagitta Automotive, Derby. Across the dealer network: 34 cars for sale.

Dealer postcode: DE24 8HJ.

Dealer opening hours

Monday
09:00-17:00
Tuesday
09:00-17:00
Wednesday
09:00-17:00
Thursday
09:00-17:00
Friday
09:00-17:00
Saturday
09:00-14:00
Sunday
Closed

Vehicle photos