Motor vehicle sales tax rates differ greatly inside the United Tells. Car tax by state often varies within counties and locations. If you are moving to another state, calculating car tax prior to moving will useful in determining location to decide to purchase. However, if you are trying avert the car tax away from your home address, then go ahead and purchase a new home to park your car in because unless your very own a house or inhabit the state in question you risk tax evasion. Car dealers an...