Three-wheel mobility scooters use a tighter turning radius for maneuverability

https://telegra.ph/Lets-Get-It-Out-Of-The-Way-15-Things-About-Folding-Mobility-Scooters-For-Sale-Were-Sick-Of-Hearing-06-24

Three-wheel mobility scooters provide a tighter turning radius for maneuverability, while four-wheel designs provide added stability on varied surface.