Lambo doors are the same as vertical doors, people just choose to call them that. These doors are special, as they are able to be opened vertically. This is the same as Lamborghini sports vehicle; that's where the name comes from. The door can be open upward at 90 degrees or at other angles between 70 and 120. People love to install these modifications because it makes their car look different.
When you purchase these door kits, you have the option of installing them two different ways. The two types of lambo door kits are the ones that are bolted on, or the ones that are welded on. Each one has its advantage and disadvantages which will be discussed below.
Typically the bolted doors are the more popular type. The pros in using these types of kits are the fact that they are easier to install. When they are bolted on the car you can easily adjust and align them, so that they fit properly; Its also makes it easier when you want to change your doors back to the stock, if you plan on selling. The con is that jerking and shifting while driving can cause the bolts to shift.
Welded lambo doors are also popular and it has its own advantages and disadvantages. The pros in using the welded doors are the fact that they can hold everything firmly in place. You also won't have to worry about shifting. The con in using these types of doors are that sometimes the heat caused during welding can damage the paint. It is also very difficult if you plan to covert your doors back to stock.