One might think the point of a vehicle like the Porsche 911 GT3 is simply to go as fast as possible on a racetrack. And sure, if we want to distill the essence of the GT3 down, that is the point.

Like the road car it’s based on, the McLaren 720S GT3 has proven to be a highly capable competition racer, achieving numerous race wins since its debut. Four years on, McLaren has given it an ...