The BMW 6 Series has a breadth of ability that’s virtually unrivalled in its class.

There's a remarkable powertrain in the form of the V8 650i, a versatile chassis and practical body, which allow it to play almost any role with conviction: weekend hotrod, long-haul GT, occasional four-seater or, in convertible form, carefree drop-top. Convertibles certainly don’t come much faster, better mannered or more thoroughly executed.

For all its basic speed, it’s an uncommunicative driver’s car

And rarely do coupes or convertibles come as practical. There’s a decent amount of space for adults in the back, and the soft-top (rather than folding hard-top) means there’s a decent boot.

The role this 6 Series struggles with, though, is the one you may miss the most: for all its basic speed, it’s an uncommunicative driver’s car. Despite the army of active chassis systems, it’s essentially an inert, unresponsive car that lacks balance and poise, and feels heavy and cumbersome when really tested.

How much that will detract from your enjoyment depends on how keen a driver you are because, in other ways, the 6 Series is as uncompromised as such cars get.