Wisconsin Car Sales Tax Calculator (2026)

• Wisconsin charges a 5 percent state sales tax on vehicles, with a county tax of 0.5 or 0.9 percent in adopting counties and a 2 percent City of Milwaukee tax.
• A trade-in reduces the taxable price when the sale and trade-in are one transaction, but a manufacturer rebate does not.

Sales and Use Tax

5%

Local tax

0% to 2.9%

Trade-in

Full credit: reduces the taxable price

Manufacturer rebate

Taxed: tax is figured before the rebate

Figured with Wisconsin's rules for a buyer in Milwaukee, at its 2.9% local rate.

• Used car, no trade-in$1,422

  $18,000 price. Taxed on $18,000.

• New car with a trade-in$1,975

  $35,000 price, $10,000 trade-in. Taxed on $25,000. The trade-in saves $790.

• New car with a trade-in and a rebate$2,370

  $45,000 price, $15,000 trade-in, $2,000 rebate. Taxed on $30,000. The trade-in saves $1,185. The rebate does not lower the tax.

These examples treat the agreed price as the taxable price. Where a state uses a book value instead, the tax can differ.

On a $30,000 car, tax runs from $1,650 in Madison to $2,370 in Milwaukee, a difference of $720 among the 5 cities we list.

Before trade-in, for a buyer living in each city. In some states the rate follows the dealer's location instead; see the rules above and our methodology. Rates from revenue.wi.gov, checked Nov 6, 2026.

The calculator covers a car bought from a dealer. These rules apply to other ways of buying or bringing a car to Wisconsin.

Buying from a private seller

Wisconsin's 5% state sales tax, plus any county or city tax where the car is kept, is figured on the purchase price minus any trade-in allowance. The buyer reports the price on the title application, and it is a crime to understate it. (wisconsindot.gov, checked Nov 10, 2026)

A car received as a gift

A car received as a gift or contest prize is exempt from Wisconsin sales and use tax when the recipient registers it. Selling the car back to the donor is taxable. (docs.legis.wisconsin.gov, checked Nov 10, 2026)

Moving to Wisconsin with your car

A car bought outside Wisconsin by a nonresident 90 days or more before bringing it into Wisconsin, in connection with moving to Wisconsin, is not subject to Wisconsin use tax. A car owned for less than 90 days is taxed on the purchase price, and sales tax paid to another state is credited. (docs.legis.wisconsin.gov, checked Nov 10, 2026)

Buying outside Wisconsin

A car bought outside Wisconsin and registered here owes Wisconsin use tax, with a credit for sales or use tax paid to another state, the District of Columbia or Puerto Rico. No credit is given for taxes paid to another country or for registration fees. (docs.legis.wisconsin.gov, checked Nov 10, 2026)

Active-duty military

Wisconsin's tax rules name no sales or use tax exemption for active-duty members as such. A nonresident, including a member of the armed forces, owes no Wisconsin tax on a car bought in Wisconsin that is used in the state only to remove it, while nonresident members stationed elsewhere who buy outside Wisconsin pay use tax when registering here, with credit for tax paid to another state. (docs.legis.wisconsin.gov, checked Nov 10, 2026)

Paying late

A buyer who fails to apply for a new certificate of title immediately after the transfer may be required to forfeit up to $200. Doing so with intent to defraud can bring a fine of up to $1,000, up to 30 days in jail, or both. (docs.legis.wisconsin.gov, checked Nov 10, 2026)

Wisconsin is tied for 15th lowest of all 50 states and the District of Columbia for tax on a $30,000 car, at its lowest local rate. See all states.

Tax on a $30,000 car before trade-in, in nearby states. You generally pay tax based on where you register the car.

• Wisconsin$1,500 – $2,370
• Iowa$1,500
• Michigan$1,800
• Illinois$1,875 – $2,625
• Minnesota$2,063

• All car calculators
• Sales tax calculators by state
• Car sales tax by state
• Trade-in tax credit by state
• Car cost by state
• Wisconsin out-the-door price
• Auto loan calculator

• Illinois car sales tax
• Iowa car sales tax
• Michigan car sales tax
• Minnesota car sales tax