Okay, here it is. I want to make vehicle scripts. Land vehicles(Cars, busses, metros etc.), sea vehicles(Boats, ships, submarines etc.) and air vehicles(Planes, helicopters etc.). For example, what do I need to use to make a car script? I am not talking about basic Roblox Vehicle Seat+Part+Four Wheels, I am talking about nice scripted vehicles like in Defaultio's games. Do I need to use CFrame mostly, or is there any objects that I can use?
Try using CFrame, its the most efficient, if you want advanced mechanics as you are saying. You should dissect a popular car and see what they use, such as the ones from Apocalypse Rising.