The 2014 Volvo S60 has 20 valves.
The 2011 Volvo S60 has 24 valves.
The 2001 Volvo S60 has 20 valves.
The 2004 Volvo S60 has 20 valves.
The 2008 Volvo S60 has 20 valves.
The 2009 Volvo S60 has 20 valves.
The 2015 Volvo S60 has 16 valves.
The 2003 Volvo S60 has 20 valves.
The 2002 Volvo S60 has 20 valves.
The 2006 Volvo S60 has 20 valves.
The 2012 Volvo S60 has 20 valves.
The 2013 Volvo S60 has 20 valves.