ranging from a two-part liftgate to a complex tailgate that can function as a full tailgate or a trunk lid. Station wagons have also been equipped with numerous tailgate configurations. Hatchbacks may be called Liftbacks when the opening area is very sloped, and the door is lifted to open. A design director from General Motors has described the difference as "Where you break the roofline, at what angle, defines the spirit of the vehicle", he said. "You could have a 90-degree break in the back and have a station wagon."

It has become common