2015 BMW 6 Series

3.0 M Sport Auto RWD (309 bhp)

£10,395

Fair price: within 8% of the typical £10,733 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 M Sport Auto RWD (309 bhp)
Mileage
104,261 miles
Year
2015
Fuel type
Diesel
Body type
Coupe
Engine
3.0 L
Gearbox
Automatic
Power
309 bhp
Seats
4
CO2
142 g/km
Colour
Blue
Driven wheels
Rear Wheel Drive
Engine badge
640d

About this car

With 104,261 miles on the clock, this 2015 BMW 6 Series M Sport has done roughly 28,700 more miles than a typical 2015 BMW 6 Series. The dealer is asking £10,395, which is £338 below our market estimate of £10,733. Our estimate draws on 158 BMW 6 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 36 days ago, the asking price has dropped by £55. Its recorded MOT is valid until 15 September 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Rallysport Automotive, based in Colchester.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 16 September 2026, 36 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £55 from the first recorded £10,450. 1 price reduction recorded, the latest observed on 15 October 2026.

Recorded asking prices
Date observedAsking price
16 September 2026£10,450
15 October 2026£10,395
21 October 2026£10,395

Price and mileage comparison

Estimated market asking price: £10,733. The asking price is £338 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 158 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 28,700 miles higher than typical for a 2015 BMW 6 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 15 September 2027. 104,270 miles at the last test.

4 other cars with the same year, trim, gearbox and fuel are for sale from £10,150 to £15,995.

Other matching cars
Asking priceMileage
£10,150106,690 miles
£12,99587,000 miles
£13,00086,100 miles
£15,99559,000 miles

These cars have covered 59,000–106,690 miles, compared with 104,261 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