what is new car sales tax for kendall county illinois
You would use the tax rate of the city in which the car would be registered. So, if you bought a car in Chicago, but live and register your car in Schaumburg, the dealer or st â¦ ate would use the Schaumburg tax rate when calculating your tax. The Illinois sales tax on new cars is 6.25 percent of the sale price of the car. The car dealer collects the sales tax and enters it on form ST0556. Lake county Illinois sales tax?