The 2002 Audi A8 has double overhead cam (DOHC).
The 2010 Audi A8 has double overhead cam (DOHC).
The 2004 Audi A8 has double overhead cam (DOHC).
The 2011 Audi A8 has double overhead cam (DOHC).
The 2008 Audi A8 has double overhead cam (DOHC).
The 2012 Audi A8 has double overhead cam (DOHC).
The 2003 Audi A8 has double overhead cam (DOHC).
The 2007 Audi A8 has double overhead cam (DOHC).
The 2006 Audi A8 has double overhead cam (DOHC).
The 2014 Audi A8 has double overhead cam (DOHC).
The 2013 Audi A8 has double overhead cam (DOHC).
The 2009 Audi A8 has double overhead cam (DOHC).