Nürburgring: 2010 Porsche Panamera Turbo Unofficially Takes Crown as Fastest Sedan

2010 Porsche Panamera Picture

The 2010 Porsche Panamera Turbo (pictured) can now call itself the world's fastest production sedan, according to results at the Nürburgring. | September 04, 2009 | Porsche Cars North America, Inc.