Italy
The 2009 Maserati Quattroporte has 32 valves.
The 2010 Maserati GranTurismo has 32 valves.
The 2013 Maserati GranTurismo has 32 valves.
The 2014 Maserati Ghibli has 24 valves.
The 2010 Maserati Quattroporte has 32 valves.
The 2011 Maserati GranTurismo has 32 valves.
The 2008 Maserati GranTurismo has 32 valves.
The 2007 Maserati Quattroporte has 32 valves.
The 2008 Maserati Quattroporte has 32 valves.
The 2014 Maserati GranTurismo has 32 valves.
The 2014 Maserati Quattroporte has 32 valves.