Motor vehicle sales tax rates differ greatly inside a United States in the usa. Car tax by state often varies within counties and cities. If you are moving to another state, calculating car tax prior to moving will useful in determining when and where to decide on. However, if you are trying avoid the car tax in a home office address, go ahead and purchase a new home to park your car in because unless you own a house or live the state in question you risk tax evasion. Car dealers and native moto...