Parma XR2.
You will have to be patient if you are searching for the specific body, some of mine I have collected have literally taken years for ones to appear anywhere. The quickest way of getting hold of a period correct body, even if it isn't a Fiesta, is to see if a shop can order the
Parma Escort Cosworth, Horizon Hobby UK had a batch of them pulled a few years ago. Or there's the
Delta Plastik Lancia Delta.
Otherwise it's just a waiting game for bodies to pop up, such as the Sierra Cosworth above.