2017 Porsche Cayman 718 S Manual / Full Porsche Service History Since its 2005 conception, this is the most complete car Porsche makes. So, what has changed for the 718 range? We have ended up with a Cayman range powered almost completely by 4-cylinder turbocharged engines. The badge is new, too. Porsche 718 was the name scribed across a series of mid-engine, flat-four race cars that competed in the late Fifties and early Sixties. As before, there are several tiers of Cayman ownership, echoed by