By clicking a retailer link you consent to third party cookies that track your onward journey. If you make a purchase, Which? will receive an affiliate commission which supports our mission to be the UK's consumer champion.

BMW6 Series Gran Coupé (2012-2018)

Used only
Large
Petrol/Diesel/Mild hybrid

£10,127Typical price

Test score

where to buy or sell

The version of this car that we've reviewed might not be available to buy through all listed retailer links. For more options, see our guides on where to buy a car and how to sell a car.

Sign up to unlock the full expert review

Think of the BMW 6 Series Gran Coupé as a halfway point between the two-door Coupé and the 7 Series luxury saloon. But is the four-door fastback 6 Series Gran Coupé the best of both worlds or master of neither? Find out in our full review.

pros

Content has been blurred out, please log in to view.

cons

What's included?

What is it?
What's it great at?
What's it like to drive?
How reliable are BMW cars?
How comfortable and spacious is it?
How economical is it to run?
How safe is it?
Is there anything I should look out for?
Should I buy it?

Full Access first month £5, then £10.99 per month, cancel at any time

KEY TEST RESULTS
Comfort and practicality
Brand reliability 0-4 years

Nov 2023Last checked by Which?
Jun 2012First reviewed by Which?
Jun 2012Released

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

How we test cars

19 Oct 2023

Ease of driving

Overall
Visibility
Smoothness of power delivery
Driving stability
Cabin layout

How we test ease of driving

To find out how easy a car is to drive, we assess cars across a number of areas from visibility and handling to the layout of the cabin and how smoothly the engine delivers its power.

Performance

Overall
In-gear acceleration
Brakes

How we test performance

We test braking distances and whether the effectivess of the brakes fade with repeat use. Performanc is based on in-gear acceleration.

Comfort and practicality

Overall
Entry and exit
Seat comfort
Ride quality
Quietness
Seat space
Boot space (large cars, SUVs and MPVs)

How we test comfort and practicality

Comfort and practicality includes how easy it is, or not, to get in and out of the car and the maximum height of occupants. We also measure road, wind and engine noise and assess how well the car deals with bumps from large potholes to jittery surfaces like cobble stones.

Which? safety

Brand reliability 0-4 years

Overall
Electric car reliability
Plug-in hybrid reliability
Petrol reliability
Diesel reliability

How we test brand reliability 0-4 years

Our reliability ratings are based on the feedback from tens of thousands of UK motorists, as collected in our annual Which? car survey. We divide all reliability feedback into three age groups: cars aged up to four years, five to nine years, and 10 to 15 years.

Brand reliability 5-9 years

Overall
Plug-in hybrid reliability
Diesel reliability

Brand reliability 10-15 years

Overall
Petrol reliability
Diesel reliability

General
Class	Large
Luxury	Yes
Convertible	No
Availability	Used only
Used price	£10,127 - £27,750
Fuel type	Petrol/Diesel/Mild hybrid
Tested fuel efficiency	42.8mpg
Length	5,007mm
Width (excluding wing mirrors)	1,894mm
Width (including wing mirrors)	2,085mm
Height	1,392mm
Driver max height
Second row passenger max height
Boot space with seats up
Boot space with seats down
Number of seats	4 - 5
Folding rear seats	Yes
Isofix attachments	Yes
Turning circle	12.25 m
On sale date	01 June 2012
Lowest pence per mile cost	£16.20

Latest tested engine
Engine name	Gran Coupe 640d
Fuel type	Diesel
Capacity and power	3-litre (313hp)
Transmission	8-speed automatic
Driven wheels	Rear-wheel-drive (RWD)
Fuel tank capacity	70 litres
Tested fuel economy: City / Out of town / Motorway (mpg)
Tested fuel economy: Combined (mpg)
Cost per mile	16.2p per mile
Cost of filling tank	£107
Monthly fuel cost
Annual fuel cost
NOx level	Medium
CO level	Very low
CO2 at tailpipe/tank-to-wheel (TTW) (g/km)	174
Well-to-wheel (WTW) CO2 (g/km)	212
Official Euro emission level	Euro 5
Engine test date	05 October 2012
Test programme	2012-2016

Suggested Alternatives

Toyota

C-HR Hybrid (2017-2023)

Used only
Compact/Small SUV
Full hybrid

£10,033Typical price

Test score

Renault

Espace (2003-2012)

Used only
MPV
Petrol/Diesel/Mild hybrid

£750Typical price

Test score

Seat

Altea (2004-2015)

Used only
MPV
Petrol/Diesel/Mild hybrid

£1,011Typical price

Test score

How to find cheap car insurance
Find out ways to get cheaper car insurance quotes from price comparison sites and how to haggle with car insurance companies to save money
Best electric cars for 2024
Our independent lab tests reveal the best electric cars with enough range to go the distance.
How we test cars
Every car we review is subjected to hundreds of tests in our lab and on the road. Find out how our tests help you choose the best car, and avoid the worst.

All new and used car advice

BMW6 Series Gran Coupé (2012-2018)

where to buy or sell