Porsche 718 Cayman GT4 RS could be a 373kW monster

Not happy to rest on its laurels, it looks like Porsche is continuing development of its already quick 718 Cayman GT4 – with an even more purist-focussed GT4 RS variant. As with the previous round of spy photos taken in September 2019, this latest round comes from Nurburgring testing. Visually the differences are few, however extra information has surfaced on the GT4 RS’s potential, thanks to a report from Car and Driver in the US.