The 2013 GMC Yukon has 16 valves.
The 2013 GMC Yukon-XL has 16 valves.
The 2013 GMC Yukon-Hybrid has 16 valves.
The 2013 GMC Yukon has overhead valves (OHV).
The 2013 GMC Yukon-XL has overhead valves (OHV).
The 2013 GMC Yukon-Hybrid has overhead valves (OHV).
The 2009 GMC Yukon has 16 valves.
The 2008 GMC Yukon has 16 valves.
The 2007 GMC Yukon has 16 valves.
The 2003 GMC Yukon has 16 valves.
The 2004 GMC Yukon has 16 valves.
The 2015 GMC Yukon has 16 valves.
The 2006 GMC Yukon has 16 valves.