Motor vehicle sales tax rates differ greatly within your United Nations. Car tax by state often varies within counties and urban centers. If you are moving to another state, calculating car tax prior to moving is useful in determining when and where to find. However, if you are trying to avoid the car tax in your own home address, go ahead and obtain a new home to park your car in because unless you own a house or occupy the state in question you risk tax evasion. Car dealers and local motor veh...