The 2012 GMC Acadia has double overhead cam (DOHC).
The 2008 GMC Acadia has double overhead cam (DOHC).
The 2013 GMC Acadia has double overhead cam (DOHC).
The 2010 GMC Acadia has double overhead cam (DOHC).
The 2007 GMC Acadia has double overhead cam (DOHC).
The 2011 GMC Acadia has double overhead cam (DOHC).
The 2014 GMC Acadia has double overhead cam (DOHC).
The 2009 GMC Acadia has double overhead cam (DOHC).
The 2012 GMC Canyon has double overhead cam (DOHC).
The 2012 GMC Terrain has double overhead cam (DOHC).
The 2012 GMC Yukon has overhead valves (OHV).
The 2012 GMC Savana has overhead valves (OHV).
The 2012 GMC Sierra-2500HD has overhead valves (OHV).