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Itemized Taxes

The vehicle sales tax you pay is a sum of several taxes. This page lists the taxes that may be included in the total tax you are assessed.

Tax Tax Rate Tax Collection Point
Illinois State/County/Muni Sales Tax 6.25% New Vehicles: Collected by the dealer using form ST-556.
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Cook County Home Rule Use Tax 0.75% Collected by the dealer using a Cook County form, or collected some time after vehicle registration by the Cook County DoR.
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Cook County Sales Tax 1.00%  Collected by the dealer using form ST-556.
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Chicago Home Rule Use Tax 1.25%  Collected by the dealer using form ST-556.
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Regional Transportation Authority (RTA) Tax 0.75% When this tax is collected, it is collected by the dealer using form ST-556. Dealers outside of the Cook and Collar counties have the option to collect this tax if the car buyer resides in Cook or the Collar counties, but no Dealer is known to do so.
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DuPage County Water Commission (DCWC) Tax 0.25% When this tax is collected, it is collected by the dealer using form ST-556. Dealers located outside of the DCWC have the option to collect this tax if the car buyer resides in the DCWC, but no Dealer is known to do so.

 

No one is subject to all of these taxes, but some purchasers will pay most of them – it all depends on where you live and where you buy.

Information Sources

The information on this website was compiled from several sources. The following are particularly useful to anyone wanting to study the details on vehicle sales taxes.

Illinois Tax Requirements for Cars, Trucks, Vans, Motorcycles, ATVs, Trailers, and Mobile Homes

Illinois Tax Rate Finder

Illinois Vehicle Tax Information Guide(pdf)

Private Vehicle Use Tax Chart(pdf)

Guide to Form ST-556 (pdf)

Cook County Use Tax

 

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