The average miles per gallon for a Chevrolet Silverado is 16.68 miles per gallon. This is a rough average as other sites indicate it is eleven miles per gallon. This will depend on your speed.
The 2011 Chevrolet Silverado-1500 has 12 valves.
The 2009 Chevrolet Silverado-1500 has 12 valves.
The 2003 Chevrolet Silverado-1500 has 12 valves.
The 2012 Chevrolet Silverado-1500 has 12 valves.
The 2001 Chevrolet Silverado-1500 has 12 valves.
The 2014 Chevrolet Silverado-1500 has a V6 engine.
The 2011 Chevrolet Silverado-1500 has a V6 engine.
The 2008 Chevrolet Silverado-1500 has 12 valves.
The 2013 Chevrolet Silverado-1500 has a V6 engine.
The 2007 Chevrolet Silverado-1500 has a V8 engine.
The 2003 Chevrolet Silverado-1500 has a V6 engine.
The 2004 Chevrolet Silverado-1500 has 12 valves.