Wisconsin Car Sales Tax Calculator
Wisconsin charges a state vehicle sales/use tax of 5% on a car purchase. On a $20,000 vehicle that is about $1,000.00 in state tax before any local add-ons. Enter your own price below — and your trade-in, if Wisconsin allows a trade-in credit — to estimate what you'll owe.
Quick answer: Wisconsin’s state vehicle sales/use tax rate is 5%. Local (county/city) taxes may apply on top.
Estimate your Wisconsin car sales tax
Enter the vehicle price. If Wisconsin gives a trade-in tax credit, add your trade-in value to reduce the taxable amount.
State rate only. Many Wisconsin counties and cities add a local sales tax on top, so your actual total may be higher. Trade-in credit rules vary — confirm eligibility with the official source below.
How Wisconsin taxes a car purchase
| State vehicle sales/use tax rate | 5% |
| Taxable amount | Price − trade-in credit (where allowed) |
| Local / county tax | Varies by jurisdiction — added on top of the state rate |
Wisconsin title fee is $164.50 for a standard title (raised in 2019). Standard passenger registration is $85/year. State sales tax is 5%; counties may add a 0.5% county sales tax. Many municipalities also impose a Wheel Tax that is collected with annual registration.
What this estimate excludes
- Local and district taxes. County, city, and transit taxes are added on top of the Wisconsin state rate.
- Title, registration, and plate fees. These are separate from sales tax — use the Wisconsin registration and title-transfer calculators for those.
- Dealer documentation fees. A dealer “doc fee” is charged on top and is often itself taxable.
- Exemptions. Gifts, inheritance, and certain family transfers may be exempt — confirm with Wisconsin Division of Motor Vehicles (DMV).
Official Wisconsin source
↗Wisconsin Division of Motor Vehicles (DMV)wisconsindot.govRelated Wisconsin tools & guides
Frequently asked questions
How much is sales tax on a car in Wisconsin?
The Wisconsin state vehicle sales/use tax rate is 5%. Multiply it by the taxable purchase price (usually the price minus any trade-in credit). Counties and cities may add a local sales tax on top, so confirm your combined rate with Wisconsin Division of Motor Vehicles (DMV).
Do I pay sales tax when buying a used car from a private seller in Wisconsin?
In most states, sales or use tax on a private-party vehicle purchase is collected when you title and register the car, not at the point of sale. The rate is generally the same as a dealer sale. Confirm the private-sale rules with Wisconsin Division of Motor Vehicles (DMV).
Does Wisconsin give a sales tax credit for a trade-in?
Most states tax only the difference between the vehicle price and your trade-in value, which lowers the tax you owe. A handful of states tax the full price with no trade-in credit. Verify Wisconsin's treatment before you rely on the estimate above.
Are there local or county car sales taxes in Wisconsin?
Often, yes. The rate shown here is the Wisconsin state rate only; many counties, cities, and transit districts add a local sales tax on vehicle purchases, so your combined rate can be higher. Wisconsin Division of Motor Vehicles (DMV) publishes the official combined rates.
Last reviewed: 2026-01-01 · Reviewed by the Car Paperwork editorial team · Based on official Wisconsin Division of Motor Vehicles (DMV) sources · Independent resource · Not legal advice