@所有车主，您关心的车船税相关问题，答案在这里！

Group 1 - The article discusses the vehicle and vessel tax (车船税) applicable in Xinjiang Uygur Autonomous Region, detailing the specific tax amounts based on engine displacement and vehicle type [3][6][8] - The tax rates for different engine displacements are outlined, with vehicles over 4.0 liters facing the highest tax rate of 1800 yuan, while those between 2.0 to 2.5 liters are taxed at 720 yuan [3] - The tax is an annual property tax, and regardless of vehicle usage, it must be paid on time within the calendar year from January 1 to December 31 [6][8] Group 2 - Tax payment can be conveniently made through insurance companies, which are responsible for collecting the vehicle tax when charging for mandatory third-party liability insurance [4][5] - Taxpayers must pay the tax at the location of vehicle registration or the location of the tax withholding agent, and cannot pay it at tax offices in other provinces [7][8] - If a vehicle is sold, the tax already paid for that year is not refundable, and the new owner does not need to pay again for the same tax year [8]