Motor vehicle sales tax rates differ greatly inside the United 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 be useful in determining when and where to grab. However, if you are trying avert the car tax in your own home address, go ahead and acquire a house to park your car in because unless you own a house or live in the state in question you risk tax evasion. Car dealers and local motor vehicle registr...