The ep1 is a 1.4, ep2 is the 1.6sport, ep3 is the type r and the ep4 is a 1.7diesel. Mine is a 1.4s, so its like a 5door ep1. Thats all i know. Thought the ep4 was the 5door model but its 3 and 5 door just means diesel. Still no wiser about any parts i can get for it, if there even is any.