Motor vehicle sales tax rates differ greatly while in the United Tells. Car tax by state often varies within counties and urban centers. If you are moving to another state, calculating car tax prior to moving possibly be useful in determining to view the leonids to own. However, if you are trying to stop the car tax from your own home address, go ahead and buy a new home to park your car in because unless you possess a house or occupy the state in question you risk tax evasion. Car dealers and l...