The 2009 Porsche Cayman has a drag coefficient of 0.29 Cd.
The 2008 Porsche Cayman has a drag coefficient of 0.29 Cd.
The 2010 Porsche Cayman has a drag coefficient of 0.29 Cd.
The 2011 Porsche Cayman has a drag coefficient of 0.29 Cd.
The 2012 Porsche Cayman has a drag coefficient of 0.29 Cd.
The 2007 Porsche Cayman has a drag coefficient of 0.29 Cd.
The 2014 Porsche Cayman has a drag coefficient of 0.30 Cd.
The 2009 Porsche Boxster has a drag coefficient of 0.29 Cd.
The 2009 Porsche Cayenne has a drag coefficient of 0.35 Cd.
The 2009 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 Cayenne has a drag coefficient of 0.35 Cd.