The 2007 Toyota Matrix has 16 valves.
The 2008 Toyota Matrix has 16 valves.
The 2006 Toyota Matrix has 16 valves.
The 2010 Toyota Matrix has 16 valves.
The 2012 Toyota Matrix has 16 valves.
The 2013 Toyota Matrix has 16 valves.
The 2004 Toyota Matrix has 16 valves.
The 2005 Toyota Matrix has 16 valves.
The 2003 Toyota Matrix has 16 valves.
The 2009 Toyota Matrix has 16 valves.
The 2011 Toyota Avalon has 24 valves.
The 2011 Toyota Prius has 16 valves.