A few months before its premiere, the new Porsche Panamera is undergoing final test drives in Barcelona. The main focus of these tests are the powertrain, which includes a new Porsche Doppelkupplung (PDK), and the newly developed chassis with active damper control.A few months before its premiere, the new Porsche Panamera is undergoing final test drives in Barcelona. The main focus of these tests are the powertrain, which includes a new Porsche Doppelkupplung (PDK), and the newly developed chassis with active damper control.