All - I'm posting on behalf of a buddy of mine who's buying a 2012 5.0 Sport - I have a 2011 550 that can be a thirsty mother when I drive it 'enthusiastically'
- but is fairly decent when driven in normal mode.
He just wants to know real life day to day consumption on a 5.0 before he pulls the trigger else, the logical side of him will cut in and he'll get a 3.5.