The 2008 Volkswagen GTI has 16 valves.
The 2014 Volkswagen GTI has 16 valves.
The 2009 Volkswagen GTI has 16 valves.
The 2012 Volkswagen GTI has 16 valves.
The 2011 Volkswagen GTI has 16 valves.
The 2005 Volkswagen GTI has 20 valves.
The 2001 Volkswagen GTI has 20 valves.
4 cylinders x 5 valves (each cylinder) = 20 valves total
The 2013 Volkswagen Jetta has 8 valves.
The 2013 Volkswagen Beetle has 20 valves.
The 2013 Volkswagen Touareg has 24 valves.
The 2013 Volkswagen CC has 16 valves.