The 2011 Rolls-Royce Phantom has a drag coefficient of 0.37 Cd.
The 2011 Rolls-Royce Phantom-Coupe has a drag coefficient of 0.35 Cd.
The 2011 Rolls-Royce Phantom-Drophead-Coupe has a drag coefficient of 0.37 Cd.
The 2007 Rolls-Royce Phantom has a drag coefficient of 0.38 Cd.
The 2004 Rolls-Royce Phantom has a drag coefficient of .38 Cd.
The 2010 Rolls-Royce Phantom has a drag coefficient of 0.37 Cd.
The 2008 Rolls-Royce Phantom has a drag coefficient of 0.38 Cd.
The 2012 Rolls-Royce Phantom has a drag coefficient of 0.37 Cd.
The 2005 Rolls-Royce Phantom has a drag coefficient of .38 Cd.
The 2009 Rolls-Royce Phantom has a drag coefficient of 0.38 Cd.
The 2006 Rolls-Royce Phantom has a drag coefficient of 0.38 Cd.
The 2009 Rolls-Royce Phantom-Coupe has a drag coefficient of 0.36 Cd.
The 2012 Rolls-Royce Phantom-Coupe has a drag coefficient of 0.35 Cd.