The 2020 Porsche 718 Cayman GT4 is 4.0-liter naturally-aspirated flat-six with a manual transmission.
Porsche 718 Cayman GT4 is the most 'drivers car' member of the 718 family, it has raw character and track performance. Cayman GT4 is powered by a new 4.0-liter naturally-aspirated flat-six boxer engine outputting 414 horsepower and 309 lb.-ft. of torque. A new sport exhaust has been designed specifically for the flat-six sound of the engine revving up to 8,000 rpm. Equipped with a six-speed manual transmission, the 718 Cayman GT4 accelerates from 0 to 60 mph in 4.2 seconds. The six-speed manual offers an “Auto Blip” that automatically matches gearbox and engine speeds during a downshift. This function can be individually activated or deactivated as required. The Cayman GT4 is has a top speed of 188 mph, and track Porsche Active Suspension Management (PASM) setup with adaptive dampers, helper springs on the rear axle and 1.18 inches (30 mm) lowered ride height comparing to a standard 718 Cayman. It also allows for individual adjustments of camber, toe, ride height and anti-roll bar settings, the front axle comes directly from the 2018 911 GT3. The brakes come from the 911 GT3. The standard grey cast iron rotors measure 380 mm front and rear. The optional Porsche Ceramic Composite Brake (PCCB) system features ceramic composite rotors measuring 410 mm in the front and 390 mm at the rear, giving a weight savings of approximately 50 percent.
At the rear, to maintain optimal traction, a mechanical limited-slip differential with Porsche Torque Vectoring (PTV) has been installed. The Cayman GT4 is equipped with 20-inch wheels with 245/35 ZR 20 tires at the front and 295/30 ZR 20 at the rear, wheels as standard are painted in Satin Platinum. Other wheels finishes are optionally available. ABS, as well as electronic stability (ESC) and traction (TC) controls, have been specifically calibrated typical for a GT model, ESC and TC can be switched off in two stages. The 718 Cayman GT4 is capable of lapping the “Nordschleife” more than ten seconds faster than its predecessor.
The 718 Cayman GT4 is easy to be recognized as the most potent and track-capable model within its range and has its own unique styling elements. It features a front spoiler lip with recessed model designation, a central air outlet ahead of the front luggage compartment lid which aids downforce and cooling, as well as tinted taillights. A new rear diffuser frames the sports exhaust system and contributes to an increase in downforce of approximately 50 percent compared to the predecessor, in conjunction with the re-designed, manually adjustable rear wing. Side air intakes with additional side blades are also specific to the GT4.
The interior of Cayman GT4 underscores its Motorsport heritage and driver-focused nature. A GT Sport steering wheel measuring 14.1 inches (360 mm) in diameter is standard and features a top center marker in black. The shift lever is 0.78 inches (20 mm) shorter than on standard 718 models, offering a particularly sporty feel when changing gears, and standard Sport Seats Plus with raised side bolsters provide a high degree of lateral support. The seat centers are upholstered in Alcantara, as is the steering wheel rim, the shift lever and the lower part of the dashboard. While the 718 Cayman GT4 is decorated with Brushed Aluminum interior trim - other trims are optionally available. Also optional is Full Bucket Seats or electrically adjustable 18-way Adaptive Sport Seats Plus. Air conditioning and the Porsche Communication Management (PCM) system with Sound Package Plus are fitted as standard. The PCM system can be optionally upgraded with features such as navigation including Porsche Connect and Apple CarPlay®. The 718 Cayman GT4 offers the option of decorative interior stitching in Red, Silver, or Yellow.