The 2010 Audi S6 has a V10 engine.
The 2014 Audi S6 has a V8 engine.
The 2010 Audi S6 has 40 valves.
The 2003 Audi S6 has 40 valves.
The 2003 Audi S6 has a V8 engine.
The 2013 Audi S6 has 32 valves.
The 2007 Audi S6 has 40 valves.
The 2013 Audi S6 has a V8 engine.
The 2002 Audi S6 has 40 valves.
The 2011 Audi S6 has 40 valves.
The 2014 Audi S6 has 32 valves.
The 2009 Audi S6 has 40 valves.