The tailgate skins are totally different stampings.
-The two lower trim levels have a straight edge on the tailgate
-The upper trim level tailgates go outward towards the tail lights in the middle section
-The upper edges near the handle are different between the two
-The LED tail lights are slightly different
-The Ford logo are in different locations
-The location of where F-150 is stamped into the tailgate skin is different. One is higher, the other is lower
-The two lower trim levels have a straight edge on the tailgate
-The upper trim level tailgates go outward towards the tail lights in the middle section
-The upper edges near the handle are different between the two
-The LED tail lights are slightly different
-The Ford logo are in different locations
-The location of where F-150 is stamped into the tailgate skin is different. One is higher, the other is lower