The 2005 GMC Canyon has double overhead cam (DOHC).
The 2011 GMC Canyon has double overhead cam (DOHC).
The 2006 GMC Canyon has double overhead cam (DOHC).
The 2007 GMC Canyon has double overhead cam (DOHC).
The 2009 GMC Canyon has double overhead cam (DOHC).
The 2012 GMC Canyon has double overhead cam (DOHC).
The 2004 GMC Canyon has double overhead cam (DOHC).
The 2008 GMC Canyon has double overhead cam (DOHC).
The 2010 GMC Canyon has double overhead cam (DOHC).
The 2005 GMC Yukon has overhead valves (OHV).
The 2005 GMC Savana has overhead valves (OHV).
The 2005 GMC Savana-Cargo has overhead valves (OHV).
The 2005 GMC Sierra-1500 has overhead valves (OHV).