
Photo of the 2017 911 Turbo S courtesy of Porsche.
Porsche is updating its top-of-the-line 911 models for the 2017 model year with styling tweaks and additional horsepower for the 911 Turbo and 911 Turbo S models.
For 2017, the 911 Turbo's 3.8L twin-turbo flat six will make 540 hp. When added to the 911 Turbo S with new turbochargers, the engine will make 580 hp. Porsche increased horsepower with modified intake ports in the cylinder heads, new fuel injectors, and higher fuel pressure.







