The four-door concept is built upon the rear-wheel-drive platform of the CT6 but ditches that car’s saloon boot for a liftback design. The body is more than 5.3 metres long, making it around 10cm longer than a Mercedes-Benz S-Class.
The concept is powered by a twin-turbocharged 4.2-litre V8 that can run on just four cylinders thanks to cylinder-on-demand technology.
The exterior appears to gently evolve the look of the CT6. At a glance the car’s silhouette looks nearly identical, but on closer inspection, the concept’s slimmer front and rear light designs, and sleeker rear roofline set it apart from the production model.