Besides the flashy exterior makeover, Mansory's P9LM EVO 900 has 900 metric horsepower, and that's a significant boost over ...

Seen in this context, the $239,000 Panamera Turbo S starts making more sense. It's the most powerful Panamera to date, combining a (fruity-sounding) 591 hp (441 kW) 4.0 L V8 that has been reworked ...

Rothsport Racing built up the Gunther Werks Turbo's engine with unique cylinder heads, pistons, and barrels to support a maxed-out Track mode that can pump an absurd 840 horsepower to the rear wheels.