The 2013 Subaru Legacy has double overhead cam (DOHC).
The 2009 Subaru Legacy has single overhead cam (SOHC).
The 2001 Subaru Legacy has single overhead cam (SOHC).
The 2005 Subaru Legacy has single overhead cam (SOHC).
The 2004 Subaru Legacy has single overhead cam (SOHC).
The 2003 Subaru Legacy has single overhead cam (SOHC).
The 2007 Subaru Legacy has single overhead cam (SOHC).
The 2006 Subaru Legacy has single overhead cam (SOHC).
The 2002 Subaru Legacy has single overhead cam (SOHC).
The 2011 Subaru Legacy has single overhead cam (SOHC).
The 2014 Subaru Legacy has double overhead cam (DOHC).
The 2010 Subaru Legacy has single overhead cam (SOHC).