For The engines are powerful and make a great noise, and with a good motorway ride and strong refinement, it’s a great way to thunder across continents.
Against It’s pricey, the low-speed ride is firm, and space is tight in the rear seats. The weight of the car and the remote steering means it could feel sportier in bends, too.
Other luxury convertibles are more fun to drive, but the BMW 6 Series Convertible makes a great long-distance cruiser.
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With most models (apart from the range-topping M6), you have two trims to choose from. We recommend SE, because it comes with all the luxury toys you need. MSport trim adds plenty to the price, but only cosmetic revisions to the car. On both, standard kit includes Drive Dynamic Control, which lets you choose between four driving modes ranging from Comfort to Sport+, and tailors the steering, gearbox and throttle accordingly. Optional Adaptive Drive also adjusts the suspension according to your selected mode.
You choose between four engines. The petrols include a 3.0-litre turbo known as the 640i, and a 4.4-litre twin-turbocharged V8 badged 650i, both driven through an eight-speed automatic gearbox. Both are hugely quick, but so is the 640d, which has a 3.0-litre turbodiesel. It also has lower running costs and a superior touring range, and that’s why it’s our favourite. For buyers who want the ultimate 6-Series drophead, though, the M6 version has an incredible 552bhp.
With its mix of stonking performance and reasonable running costs, the diesel is our pick of the range. So is SE trim.