According to China's inquiry. Com, the minimum displacement of this vehicle is 0.8L, and the following is the related introduction: Automobile: a vehicle with four or more wheels driven by power, mainly used for carrying people and/or goods; Towing vehicles carrying people and/or goods; Special purpose. Displacement: displacement, a special term for hydraulic transmission, refers to the amount of fluid sucked or discharged per stroke or cycle. Large displacement, large energy released by the engine per unit time, that is, good "power". Engine displacement is one of the most important structural parameters, which can better represent the size of the engine than cylinder diameter and cylinder number.