Porsche 918 Spyder Doppelkupplung (PDK)EHFCVFebruary 16, 2015Powertrain 7-speed Porsche Doppelkupplung (PDK) The 918 Spyder has the Porsche Doppelkupplung (PDK) transmission with integrated hydraulically regulated rear differential lock, which was devel-oped for maximum performance and a low center of gravity. # Transmission Previous Post BMW Record Car H2R Liquid Hydrogen (LH2) Storage Next Post SUV Body Static Stiffness Leave a ReplyCancel ReplyYou must be logged in to post a comment.