2018 BMW 6 Series

3.0 640d M Sport Auto RWD Euro 6 2dr (308 bhp)

£25,995

Fair price: within 8% of the typical £25,007 for this model, age and mileage, drawing on 147 adverts of this make and model.

Overview

Make
BMW
Model
6 Series
Trim
M SPORT
Version
3.0 640d M Sport Auto RWD Euro 6 2dr (308 bhp)
Mileage
26,734 miles
Year
2018
Fuel type
Diesel
Body type
Convertible
Engine
3.0 L
Gearbox
Automatic
Power
308 bhp
Seats
4
CO2
153 g/km
Colour
Blue
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
640d
Emissions standard
Euro 6

About this car

This 2018 BMW 6 Series M Sport has covered 26,734 miles, around 19,600 fewer than typical for its age. The dealer is asking £25,995, which is £988 above our market estimate of £25,007. Our estimate draws on 147 BMW 6 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 114 days ago. Its recorded MOT is valid until 27 March 2027, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Brook Cars Company in Telford.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 2 July 2026, 114 days ago. Advert duration calculated on 24 October 2026.

Recorded asking prices
Date observedAsking price
2 July 2026£25,995
7 July 2026£25,995
23 October 2026£25,995

Price and mileage comparison

Estimated market asking price: £25,007. The asking price is £988 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 147 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 19,600 miles lower than typical for a 2018 BMW 6 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 27 March 2027. 25,962 miles at the last test.

6 other cars with the same year, trim, gearbox and fuel are for sale from £18,500 to £29,495.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£18,50057,000 miles
£18,99563,700 miles
£21,49551,000 miles
£21,69547,000 miles
£22,49571,000 miles

These cars have covered 10,190–71,000 miles, compared with 26,734 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 6 Series cars for sale · 2018 BMW 6 Series price guide

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

Vehicle photos

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