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The 2009 Maserati Quattroporte has 32 valves.
The 2010 Maserati Quattroporte has 32 valves.
The 2007 Maserati Quattroporte has 32 valves.
The 2008 Maserati Quattroporte has 32 valves.
The 2014 Maserati Quattroporte has 32 valves.
The 2006 Maserati Quattroporte has 32 valves.
The 2011 Maserati Quattroporte has 32 valves.
The 2005 Maserati Quattroporte has 32 valves.
The 2012 Maserati Quattroporte has 32 valves.
The 2007 Maserati Quattroporte's engine produces 400 hp @ 7000 rpm.
The 2009 Maserati Quattroporte's engine produces 400 hp @ 7000 rpm.
The 2008 Maserati Quattroporte's engine produces 400 hp @ 7000 rpm.