Evidently, the overwhelming majority of tour buses and coaches are built with an imported chassis, with the body added locally. Such non-integral construction inherently results in problems such as poor seam strength and a high center of gravity.
據了解，國內絕大多數的遊覽車及大客車，都是從國外進口車輛底盤，然後在國內打造車身；這種非整體打造、一體成型的車身結構，本身就有接縫處強度不佳、重心不穩的問題。