2021 Porsche 718 Cayman GT4 RS spied

Porsche's upcoming 718 Cayman GT4 RS has been snapped again, this time being put through its paces on the track. Launched this year, the new GT4 Cayman won plenty of fans with its naturally-aspirated engine and balanced handling. But more is more in the world of Porsche, and there's clearly more to be extracted from the 718 GT4 package.