Update: click here for OFFICIAL information on Porsche's new 2008 911 facelift

New documents resembling official internal specification lists for the upcoming 2009 Porsche 911 range have appeared on a number of internet forums, revealing crucial details about engine outputs, a new dual-clutch transmission and optional features and electronics. The big news is the introduction of a new seven-speed dual-clutch transmission called Porsche Doppelkupplung or PDK for short.

Other important changes include the introduction of a new set of direct-injection engines rated at 345hp in the Carrera and 385hp in the Carrera S. There’s also a boost in torque levels with an additional 20Nm for both the 3.6L and 3.8L engines. Other goodies include a new Chrono sport package, launch control, an upgraded brake package and an upshift indicator in the instrument cluster.

Non-performance items include a new touchscreen navigation system, LED daytime running lights, ventilated seats and a new color range. The updated Porsche range should make its world debut at the Paris Motor Show in October.

2009 Porsche 911 leaked details

2009 Porsche 911 rendering

2009 Porsche 911 Turbo spy shots