Motor vehicle sales tax rates differ greatly inside a 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 will useful in determining when and where to find. However, if you are trying in order to avoid the car tax in your own home address, then go ahead and obtain a new home to park your car in because unless you possess a house or have a home in the state in question you risk tax evasion. Car de...