Porsche is adding two new models to its mid-engine sports car range: the
718 Cayman GTS 4.0 and the 718 Boxster GTS 4.0. The new mid-engine
sports cars are powered by a naturally-aspirated four-liter six-cylinder
boxer engine developing 394 hp and 309 lb.-ft. of torque. This engine
is closely related to the 414 hp variant used in the 718 Spyder and the
718 Cayman GT4. Equipped exclusively...