The 2009 Audi S5 has a 4.2 L base engine size.
The 2008 Audi S5 has a V8 engine.
The 2010 Audi S5 has a V8 engine.
The 2014 Audi S5 has a V6 engine.
The 2013 Audi S5 has a V6 engine.
The 2012 Audi S5 has a V8 engine.
The 2011 Audi S5 has a V8 engine.
The 2012 Audi S5 has a 4.2 L base engine size.
The 2008 Audi S5 has a 4.2 L base engine size.
The 2010 Audi S5 has a 4.2 L base engine size.
The 2014 Audi S5 has a 3.0 L base engine size.
The 2011 Audi S5 has a 4.2 L base engine size.