Motor vehicle sales tax rates differ greatly while in the United States in the usa. Car tax by state often varies within counties and towns. If you are moving to another state, calculating car tax prior to moving will useful in determining location to find. However, if you are trying to stop the car tax from your own home address, go ahead and buying a house to park your car in because unless you possess a house or are in the state in question you risk tax evasion. Car dealers and native motor v...