Their tracks need to be kept clean and free of debris, and if the car gets bent out of shape by an accident, the additional attachment points could make a sliding door more likely to bind up. That slider can't just hang off the side of the car the way a hinged door can when it's open; it actually has to slide somewhere. They're equally impractical when it comes to implementing technological helpers. One-touch auto-open/close sliding doors are borderline no-brainers, but such simple solutions have no place on swinging doors because they might hit something. We've known that swinging doors are not ideal on a family car for decades. According to the National Safety Council in the United States, around 300,000 door-related injuries occur every year. Most modern exterior walls provide thermal insulation and energy efficiency, which can be indicated by the Energy Star label or the Passive House standards. Premium composite , fiberglass and vinyl doors benefit from the mater...