What Changed:

The Panamera adds a gas/electric hybrid model. The hybrid system in the Panamera pairs a 3.0l V6 gasoline engine with a 34kW electric motor. The Porsche hybrid system allows electric only operation at a wide range of speeds.

Official Word:

With its new four-door Panamera Turbo S, Porsche once again raises the bar for sporty four-door luxury cars by delivering ultra high performance and efficiency, sports-car-like driving dynamics and first-class comfort in a purely Porsche package. Porsche will reveal its most powerful Panamera for the first time in North America on April 20, 2011 at the New York International Auto Show. The engine in the new top-of-the-line Panamera is based on the already proven and powerful...Read.