The 2010 Porsche Panamera has a drag coefficient of 0.29 Cd.
The 2011 Porsche Panamera has a drag coefficient of 0.29 Cd.
The 2013 Porsche Panamera has a drag coefficient of 0.29 Cd.
The 2014 Porsche Panamera has a drag coefficient of 0.30 Cd.
The 2012 Porsche Panamera has a drag coefficient of 0.29 Cd.
The 2010 Porsche Cayman has a drag coefficient of 0.29 Cd.
The 2010 Porsche Boxster has a drag coefficient of 0.29 Cd.
The 2010 Porsche 911 has a drag coefficient of 0.28 Cd.
The 2010 Porsche Cayenne has a drag coefficient of 0.35 Cd.
The 2009 Porsche Boxster has a drag coefficient of 0.29 Cd.
The 2003 Porsche 911 has a drag coefficient of 0.34 Cd.
The 2008 Porsche Cayman has a drag coefficient of 0.29 Cd.
The 2005 Porsche 911 has a drag coefficient of 0.28 Cd.