The KLEEMANN Scissor Door system uses a unique two-axis hinge mechanism. A hydraulic station, containing a high-pressure pump and sophisticated control valve assembly, is located in the trunk.

There's nothing quite as cool as opening a vertical car door and stepping out, but is there a real difference between butterfly and scissor doors?

As part of this effort, the P7 Wing Limited Edition has been equipped with Lambo-style scissor doors which are bound to turn heads.

However, a company in the U.S. named Vertical Doors is in the midst of developing scissor doors for the hottest sports car of the moment: the Chevrolet C8 Corvette.

Whether gull-wing, butterfly or scissor-wing style, car doors that open upward are showing signs of going mainstream. Sure, the 2011 Mercedes-Benz SLS sports car with upswinging doors costs close ...

There's nothing quite as cool as opening a vertical car door and stepping out, but is there a real difference between butterfly and scissor doors?