well there are many different types of Porsche 911 turbos
Many differences, some of them are narrow bodies for the 911 carrera ans wide body for the "S".(Turbo style) More HP for the "S" than the normal carrera. options etc.
The 1999 911 has 296 hp The 2000 911 has 300 hp
130 hp
300 HP
The 2004 Porsche 911's engine produces 315 hp @ 6800 rpm.
The 2012 Porsche 911's engine produces 345 hp @ 6500 rpm.
The 2008 Porsche 911's engine produces 325 hp @ 6800 rpm.
The 2013 Porsche 911's engine produces 350 hp @ 7400 rpm.
The 2005 Porsche 911's engine produces 325 hp @ 6800 rpm.
The 2009 Porsche 911's engine produces 345 hp @ 6500 rpm.
The 2014 Porsche 911's engine produces 350 hp @ 7400 rpm.
The 2006 Porsche 911's engine produces 325 hp @ 6800 rpm.