Porsche took the new, mysterious Panamera to the "Green Hell" to set ... including aerodynamic elements such as the adjustable spoiler on the rear hatch and a larger splitter on the front bumper.

Porsche might not have invented the grand ... The visible highlight of the aerodynamic package is the active four-way rear spoiler on the Panamera Turbo. Through its efficient management of ...

Porsche was testing the revised Panamera at the Green Hell with a quad exhaust setup and the electrically deployable rear spoiler up. Unless the body-colored camouflage is playing tricks on us ...