What makes this car truly special though, is that – like the top-end Turbo and the Turbo S derivatives – the Panamera GTS is powered by a V8. ... Coupled to an 8-speed PDK, which has been tweaked to be more sporty for the GTS, the twin-turbo 4-liter V8 produces 480ps and 620Nm of torque at 1,800-4,500rpm.14 Jun 2021