It's an econobox, with a lot of cost in the battery - what could you expect? While my GIII doesn't rattle, I wouldn't object to some - it is what it is. I hate Honda, because the road noise drives me nuts - the Prius doesn't have that problem. If I wanted a solid quiet car that offered more to the driver, I'd buy a BMW. But this is my wife's car, and basic transportation is all she wants…...