Make no mistake, the 6 GT may offer sleeker looks than a 5 Series saloon or Touring, but you’ll pay more for it than either of those stablemates. However, compared like-for-like with the Audi A7 or Mercedes CLS, the 6 GT is actually cheaper than both.
The 6 GT is also cleaner and more frugal than these rivals with equivalent petrol and diesel engines. However, it’s worth pointing out that both Audi and Mercedes offer smaller diesel engines as entry-points to their ranges, which offer greater efficiency than the 6 GT's relatively large motors.
We’d suggest that both private and company car buyers are best off going for the 630d diesel. It has the lowest CO2 emissions and the best fuel economy in the range, so not only makes the most financial sense, but will also travel longer between fill-ups – that's a healthy bonus in a GT car.
There’s an extensive standard equipment list to tempt potential customers away from Audi and Mercedes, too. Entry-level SE trim gets everything you need and would be our pick: standard kit includes 18in alloy wheels, leather seats (heated in the front), climate control, sat-nav, Bluetooth, adaptive LED headlights, a sports multifunction steering wheel and front and rear parking sensors. M Sport models add larger alloy wheels, more aggressive styling and stiffer suspension in the pursuit of a more engaging drive.
In its Euro NCAP crash tests the 6 GT scored the maximum 5 stars, with good scores in each of the four categories evaluated. All versions come with automatic emergency braking as standard, too, which was deemed to be very effective.
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