The 6 Series Coupe is available with 3.0-litre turbo (316bhp) and 4.4-litre twin-turbo (401bhp or 552bhp) petrol engines, but the vast majority of buyers will go for the 309bhp 3.0-litre twin-turbo diesel. It’s easy to see why; this gutsy engine makes acceleration effortless, aided by an eight-speed automatic gearbox that always seems to be in the right ratio.
We’ve driven cars with the optional Adaptive Drive, which brings electrically controlled and adjustable suspension. However, even when this system is in Comfort setting, the low-speed ride has a firm edge. Things get better with speed, and there’s loads of grip. You can almost completely eliminate body roll if you put Adaptive Drive in Sport mode. The 6 Series always feels like a heavy car, though, and the steering is short on feedback.
The wide tyres generate some road noise, but wind noise is kept to a minimum, so the 6 Series Coupe is still a refined car. The diesel engine is all-but inaudible at a steady cruise, and when you work it hard, it sounds rorty rather than rough.
The 6 Series Coupe is an expensive car to buy, although it is priced in line with key rivals and should be cheaper to run if you opt for the diesel model. This averages more than 50mpg, which is seriously impressive given the performance it offers.
Even for an expensive luxury coupe, the 6 Series has a truly gorgeous cabin. The controls are wonderfully slick, the materials look and feel classy, and the assembly is flawless. BMW has a good reliability record, too, so you shouldn’t have any worries.
All 6 Series Coupes come with a host of electronic driver aids, such as stability control, which are designed to keep you on the road. Front- and side airbags are also provided to reduce the risk of injury should an accident occur. Deadlocks, an alarm and an engine immobiliser are fitted to keep thieves at bay.
The dashboard is laid out much like any other modern BMW's, which is no bad thing. Most systems are controlled through a central dial that’s linked to simple on-screen menus, while eight programmable shortcut buttons take you straight to the driver's most-used functions. The supportive front seats have full electric adjustment, too, so it’s easy to get comfortable.
There’s plenty of space up front, but limited leg- and headroom means the back seats are best left for children. Adults can squeeze in, but for short journeys only. The boot is big for the class and can swallow three 46-inch golf bags or a couple of suitcases. It has a ski flap, too.
You expect a fair amount of luxury kit when your car costs this much, and the 6 Series doesn’t disappoint; it comes with heated leather seats, dual-zone climate control, satellite-navigation, Bluetooth and front and rear parking sensors. M Sport trim only brings cosmetic and suspension revisions, but these cars are more desirable, so hold their value better.
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