In a world full of electrified hypercars, is the Porsche Cayman GT4 RS the driver's car we've been yearning for? To find out, Adam Towler has a first drive around a sodden Anglesey Circuit.

Porsche has a new, eye-wateringly expensive track package for the 718 Cayman GT4 RS. As if the 493-horsepower track-day special wasn’t already nutty enough, this new package was put together based on ...