The 2008 Kia Rio has 16 valves.
The 2003 Kia Rio has 16 valves.
The 2005 Kia Rio has 16 valves.
The 2012 Kia Rio has 16 valves.
The 2009 Kia Rio has 16 valves.
The 2001 Kia Rio has 16 valves.
The 2013 Kia Rio has 16 valves.
The 2004 Kia Rio has 16 valves.
The 2011 Kia Rio has 16 valves.
The 2002 Kia Rio has 16 valves.
The 2010 Kia Rio has 16 valves.
The 2006 Kia Rio has 16 valves.