For the 2009 model year, Porsche has some significant upgrades in store for its already impressive 911 models. These upgrades apply to the 2009 Carrera, Carrera S and their C4 and Targa variants. The base 3.6L base motor will receive a 20 horsepower boost, putting the rating at 345 horses while the Carrera/Targa S models’ 3.8L power plant will see a healthy jump to 385 horsepower. Both engines also receive a significant increase in the torque department. In addition to the power increases, both motors are expected to have increased fuel economy and lowered emissions levels.