Porsche 911 Forum : “how many horse power is the porsche carrera?”

check out Cargurus' review of the 2009 Carrera:

http://www.cargurus.com/Cars/Overview-c21062-2009-911.html

but to answer your question:

The Carrera's 3.6-liter six-cylinder pumps out 345 hp, an increase of 20 hp over the previous year's engine, while horsepower for the 3.8-liter six in the Carrera S jumps to 385, an increase of 30 hp over the previous year's powerplant.