Yeah those pictures do make it hard to tell a difference but look at the transition points from the door to the rear end.
Then look to the area next to the left tail lamp, it is hard to tell but yeah it is larger.
I think the red one was featured in a thread over on driftworks forum. Will check again.
Found some more Blister fender picture's
powervehicles bought the demo car which is what Thatguy posted images of... here are a few more before powervehicles purchased it to become their demo car.
I bet one can find more pictures of the yellow car...(power enterprise car correct?)