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
The 2010 Porsche 911's engine produces 345 hp @ 6500 rpm.
The 2001 Porsche 911's engine produces 300 hp @ 6800 rpm.
The 2005 Porsche 911's engine produces 325 hp @ 6800 rpm.
The 2012 Porsche 911's engine produces 345 hp @ 6500 rpm.
The 2002 Porsche 911's engine produces 320 hp @ 6800 rpm.
The 2008 Porsche 911's engine produces 325 hp @ 6800 rpm.
The 2007 Porsche 911's engine produces 325 hp @ 6800 rpm.
The 2011 Porsche 911's engine produces 345 hp @ 6500 rpm.
The 2003 Porsche 911's engine produces 315 hp @ 6800 rpm.