2018 BMW 6 Series Gran Coupe

3.0 640d M Sport Auto RWD Euro 6 (s/s) 4dr (309 bhp)

£16,999

Fair price: within 8% of the typical £16,535 for this model, age and mileage, drawing on 109 adverts of this make and model.

Overview

Make: BMW
Model: 6 Series Gran Coupe
Trim: M SPORT
Version: 3.0 640d M Sport Auto RWD Euro 6 (s/s) 4dr (309 bhp)
Mileage: 81,093 miles
Year: 2018
Fuel type: Diesel
Body type: Saloon
Engine: 3.0 L
Gearbox: Automatic
Power: 309 bhp
Seats: 5
CO2: 152 g/km
Colour: Blue
Doors: 4
Driven wheels: Rear Wheel Drive
Engine badge: 640d
Emissions standard: Euro 6

About this car

This 2018 BMW 6 Series Gran Coupe M Sport has covered 81,093 miles, around 19,300 more than typical for its age. The dealer is asking £16,999, which is £464 above our market estimate of £16,535. To estimate its market asking price, we analyse UK dealer adverts for 109 BMW 6 Series Gran Coupe cars across different ages and specifications. We first recorded this car for sale 3 days ago. Its MOT is recorded as valid until 21 October 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Brookway Cars in Prenton.

Stock data from 26 October 2026.

How we estimate prices and check cars

Price history

First seen on 24 October 2026, 3 days ago. Advert duration calculated on 27 October 2026.

Recorded asking prices
Date observed	Asking price
24 October 2026	£16,999
26 October 2026	£16,999

Price and mileage comparison

Estimated market asking price: £16,535. The asking price is £464 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 109 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 19,300 miles higher than typical for a 2018 BMW 6 Series Gran Coupe.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 21 October 2027. 81,099 miles at the last test.

17 other cars with the same year, trim, gearbox and fuel are for sale from £14,500 to £27,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£14,500	69,100 miles
£15,495	86,000 miles
£16,400	83,433 miles
£16,500	86,833 miles
£16,995	82,568 miles

These cars have covered 8,000–86,833 miles, compared with 81,093 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 Gran Coupe cars for sale · 2018 BMW 6 Series Gran Coupe price guide

Vehicle photos

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