what is the difference between 2007 chevy impala lt and 2007 chevy impala ltz?

Emil Yeghiazaryan · Dec 8, 2009

Just want to know what's the difference between 2007 chevy impala LT and LTZ packages

Alfonzo · Dec 8, 2009

mostly trim and other whistles and bells.
could have some mechanical upgrades.