Choosing Between 3-Wheel best mobility scooters Scooters 3-wheel scooters have a more precise turning radius (up to 1 foot less) and are ideal for indoor use. They are lighter and easier to carry than 4-wheel models. These portable scooters are easy to fold and unfold. No disassembly is required. They are perfect for travelling and can be easily taken on airplanes. Tighter Turning Radius Regardless of where you plan to use your top-rated mobility scooters scooter, a aspect to consider is how much space the scooter will need to move around. Mobility scooters that have a smaller turning radius can be used to navigate through narrow spaces like doorways, hallways and other spaces that are narrow. This is particularly important if you want to use your scooter exclusively indoors or in crowds. A narrower turning radius allows you to avoid obstacles and make precise turns without falling out of control or causing injury.