Raiders:
-the hat has a wider cut brim and a taller non tapered crown with a tight pinch in the front
-the jacket is short coming just below the waist
-shirt is more of a greyish white
-pants are a grey brown khaki and seem to be cut looser in the legs than in the other films
Temple:
-the hat has a shorter brim, with a shorter very tapered crown
-jacket is much longer hanging down to the hip and a wider collar
-shirt is more of an ivory color
-pants are more of a officers pinks color
Last Crusade:
-Hat has a wider brim than Temple and a taller crown that isn't tapered as much as Temple, but not near the Raiders, also the pinch in the front isn't as tight
-Jacket is midway between Temple and Raiders in length and has the Raiders size collar
-shirt is more of an off white
-pants are also a mix between Raiders and Temple
different web belts, color of the mark VII bag strap
there's more but it'd take a while