( http://www.TFLcar.com ) The brand new 2013 Audi S5 Coupe Quattro S tronic with the super-charged engine is an expensive ride starting at just over 50K USD. But what's is it like to live with the new S5? We spend a week driving and getting to know most vehicles that we review and sometimes we discover some unexpected surprises. Here are the top three unexpected surprises of the new 2013 Audi S5 Coupe Quattro S tronic.