2024 Porsche 718 Cayman GT4 RS Weissach. This 2024 Porsche 718 Cayman GT4 RS is finished in Arctic Gray over black leather and Deep Sea Blue Race-Tex and is powered by a 4.0-liter flat-six paired with a seven-speed PDK dual-clutch transaxle. Equipment includes the Weissach and Chrono Packages in addition to a front-axle lift system, Porsche ...