To improve performance, Porsche employed dual downdraft carburetors ... water-cooled flat-6 boxer engines. The 996 was the first 911 generation to use water-cooled engines, marking a significant ...

350.0-hp, 3.4-liter, Flat 6 Cylinder Engine (Gasoline Fuel) Wondering which trim is right for you? Our 2013 Porsche 911 trim comparison will help you decide.

345.0-hp, 3.6-liter, Flat 6 Cylinder Engine (Gasoline Fuel) Wondering which trim is right for you? Our 2012 Porsche 911 trim comparison will help you decide.