2012 Porsche Panamera Turbo S

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 twin-turbocharged V8 engine in the Panamera Turbo. The 4.8 liter, V8 engine in the Turbo S achieves a maximum output of 550 horsepower, which is 10 percent more than