Nice piece, and a mini-van is an appropriate alt. mode for Chromia. The comment about the other girls, I'm guessing they'll be getting pieces of their own, though we've already seen Moon Racer I think it was.
I really like that this comic addresses the fact that most Autobots picked flashy cars as their disguises. Honestly, if they'd selected pickup trucks, minivans, and Chrysler K-Cars for their vehicle modes, they'd never have been spotted.