New images of
Transformers: Dark of the Moon deluxe Skids have surfaced, showing that we are indeed getting a new mold.
The images show off the robot and vehicle modes, which we
have seen
before, but gives us a good comparison look with the
Transformers: Revenge of the Fallen version.

The Chevrolet Spark, the vehicle
Dark of the Moon Skids and Mudflap are based on, is the production version of the Chevrolet Beat Concept, which was used as Skids alternate mode in
Revenge of the Fallen was based on, but there are almost always a certain number of changes made to a vehicle before it hits production.
While the Chevrolet Spark in the film and for the toy add two additional doors, it seems that
Dark of the Moon is a little shorter than the
Revenge of the Fallen version, and also adds a teensy bit of heft.
The face, as we have noted before, will also be getting a bit of a change. The
Dark of the Moon figure will get some new forearms as well.
Source