The 2009 Audi S6 has a V10 engine.
The 2010 Audi S6 has a V10 engine.
The 2014 Audi S6 has a V8 engine.
The 2003 Audi S6 has a V8 engine.
The 2013 Audi S6 has 32 valves.
The 2007 Audi S6 has 40 valves.
The 2010 Audi S6 has 40 valves.
The 2003 Audi S6 has 40 valves.
The 2008 Audi S6 has 40 valves.
The 2007 Audi S6 has a V10 engine.
The 2014 Audi S6 has 32 valves.
The 2009 Audi S6 has 40 valves.