Having made its global debut at the Detroit Auto Show in 2014, the Lexus RC F stepped into a class comprising the likes of the Mercedes-AMG C 63 Coupe, BMW M4 and the Audi RS5. Here, our spy photographers have spotted what appears to be a bewinged, GT version of the naturally aspirated, 5.0 litre V8-engined two-door, which will surely offer performance uprated over that of the current car.

This powerplant is expected to be carried over to the GT iteration, though with upgrades such as a freer-flowing exhaust system, improved cooling and lubrication systems as well as possibly a retuned ECU to tie it all in for an end result of more than 450 hp and 520 Nm of torque as produced in the current RC F.

Corralling the outputs of the stronger engine will be an uprated chassis. These will likely comprise a lower ride height with stiffer springs and dampers, possibly with an uprated braking package as well, rounding out a set of changes aimed at increasing agility and response.

The development car’s exterior offers a glimpse of what will be changed on the new model. The front bumper gains a longer, deeper lip but is otherwise identical to the current car’s, while the side skirts are extended lower to match the now-extended front’s lower lines. The development car also shows a set of redesigned wing mirrors, headlamps and tail lights, which point to a visual update for the rest of the RC range, too.

Likewise, the rear bumper receives changes too, namely a pair of vents located where the current car sports vertical crease lines, and the diagonally-stacked quad exhausts remain. Capping the GT’s visual statement is a bootlid-mounted rear wing. The more performance-focused RC F could make its debut later this year, along with the rest of the updated Lexus RC range.