The F-150 comes in three styles: Regular Cab, SuperCab and SuperCrew. The Regular Cab and SuperCab offer 5 1/2, 6 1/2-foot and 8-foot beds, but the SuperCrew offers only the 5 1/2-f and 6 1/2-foot beds.
5 1/2-foot Bed
The inside length of the 5 1/2-foot cargo box is 67 inches, while the width between the wheelhouses is 50 inches. The inside height of the bed measures 22.4 inches, making the bed’s volume 55.4 cubic feet.