There are few automotive sights more instantly recognizable than a V12 Lamborghini supercar with its doors pointed toward the sky. But why do Lamborghini doors open up in the first place? On a normal car, an open door can require considerable clearance beside the vehicle, but with a scissor door, much of that movement happens above the car. Why the Countach's scissor doors mattered:They solved a packaging problem: The Countach's wide and low, wedge-shaped body left limited space for conventional doors. Not Every Lamborghini Has ThemThere's an important catch: not every Lamborghini uses scissor doors.