2015 BMW 6 Series

3.0 640i M Sport Auto RWD Euro 6 (315 bhp)

£18,940

Fair price: within 8% of the typical £18,689 for this model, age and mileage, drawing on 158 adverts of this make and model.

Overview

Make
BMW
Model
6 Series
Trim
M SPORT
Version
3.0 640i M Sport Auto RWD Euro 6 (315 bhp)
Mileage
26,453 miles
Year
2015
Fuel type
Petrol
Body type
Coupe
Engine
3.0 L
Gearbox
Automatic
Power
315 bhp
Colour
Red
Driven wheels
Rear Wheel Drive
Engine badge
640i
Emissions standard
Euro 6

About this car

This 2015 BMW 6 Series M Sport has covered 26,453 miles, around 49,100 fewer than typical for its age. At £18,940, it is advertised £251 above our estimated market asking price of £18,689. We use UK dealer asking prices, including 158 BMW 6 Series listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 146 days ago, the asking price has dropped by £1,000. The time on sale and price change could be useful context when negotiating. It is advertised by Seymour Pope in Kings Langley.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 May 2026, 146 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £1,000 from the first recorded £19,940. 1 price reduction recorded, the latest observed on 27 July 2026.

Recorded asking prices
Date observedAsking price
31 May 2026£19,940
10 July 2026£19,940
27 July 2026£18,940
28 July 2026£18,940
21 October 2026£18,940

Price and mileage comparison

Estimated market asking price: £18,689. The asking price is £251 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 158 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 49,100 miles lower than typical for a 2015 BMW 6 Series.

4 other cars with the same year, trim, gearbox and fuel are for sale from £12,990 to £18,991.

Other matching cars
Asking priceMileage
£12,99083,264 miles
£13,99551,000 miles
£13,99550,891 miles
£18,99143,123 miles

These cars have covered 43,123–83,264 miles, compared with 26,453 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 · 2015 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