Rennsport: it’s a fabled and oh-so evocative Porsche designation that evokes a heady assemblage of truly unrelenting, motorsport-derived excitement at the wheel of a sports car. Quite rightly, the ‘RS’ sits at the pinnacle of the 911 bloodline: it is the quintessence of automotive finesse in a road car, the rawest, purest instance of breathtaking performance on four wheels. And right now, I’m pedalling one of the best.