Hi,
The things that probably contributed to the increase in Cd:
*Side mirrors
*Front wheel drive shafts
*Raised the bottoms of the wheel skirts
*Opening side windows
*Rear camera fin
*The overall front was modified: the windshield was moved rearward, and the front wheels were moved back, as well -- and the whole vehicle was lowered ~4-5" so the interaction with the ground is increased
Here's a comparison of the profiles: