Motor vehicle sales tax rates differ greatly inside a United States in the usa. 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 when and where to decide to purchase. However, if you are trying to stop the car tax in your own home address, go ahead and buy a house to park your car in because unless or you own a house or are in the state in question you risk tax evasion. C...