: You will owe the Missouri state sales tax of 4.225% plus any local taxes based on your Missouri residence . Registration Requirements in Missouri
: Tell the Illinois dealer upfront that you are a Missouri resident registering the car in Missouri . live in missouri buy a car in illinois
: If the dealer incorrectly collects Illinois tax, you will receive credit for that amount toward your Missouri tax bill, but you will still have to pay any difference if Missouri's rate is higher . : You will owe the Missouri state sales tax of 4
: Missouri and Illinois have reciprocity agreements. Usually, you should not be charged Illinois sales tax at the dealership . live in missouri buy a car in illinois