The 2013 Porsche 911 has a drag coefficient of 0.29 Cd.
The 2003 Porsche 911 has a drag coefficient of 0.34 Cd.
The 2005 Porsche 911 has a drag coefficient of 0.28 Cd.
The 2014 Porsche 911 has a drag coefficient of 0.29 Cd.
The 2010 Porsche 911 has a drag coefficient of 0.28 Cd.
The 2012 Porsche 911 has a drag coefficient of 0.28 Cd.
The 2002 Porsche 911 has a drag coefficient of 0.34 Cd.
The 2008 Porsche 911 has a drag coefficient of 0.28 Cd.
The 2009 Porsche 911 has a drag coefficient of 0.29 Cd.
The 2004 Porsche 911 has a drag coefficient of 0.34 Cd.
The 2011 Porsche 911 has a drag coefficient of 0.28 Cd.
The 2007 Porsche 911 has a drag coefficient of 0.28 Cd.
The 2006 Porsche 911 has a drag coefficient of 0.28 Cd.