Good sound insulation, comfortable suspension, moderate power (0- 100 seconds), good driving quality, one of the characteristics of the American system, low fuel consumption, changing the appearance of the American oil tiger, smaller space at the same level, faster speed increase in urban areas at low speed, and slower acceleration after 100. Moreover, because the body is short, narrow and high, it is easily affected by crosswinds, and it is suitable for 65438 hours.