If 500 horsepower seems a little miserly of Porsche for its Panamera Turbo, don't worry--the carmaker released its personalization program that bumps up the horsepower to 540. But the additional 40 ponies over the standard Turbo model don't come cheap--the Panamera Turbo Powerkit runs about $21,730.
For the money, you'll get two new turbochargers with titanium aluminum turbines, engine management modifications that improve engine response, and increased torque. The option will be available next month, but if you've already pulled the trigger on your Panamera Turbo, retrofit kits will be available in November.
Paying the … Read more