Montana Car Sales Tax Calculator
Montana charges no state sales tax on vehicles — the 3rd-lowest rate in the US. Estimate your out-the-door total below; only DMV and any local fees apply.
State rate only This is the state vehicle tax. County/city taxes, title, registration and documentation fees are extra and vary by locality — verify the total with your DMV.
Note State rate only; county/city taxes, title and registration fees are extra — verify with your DMV. No state sales tax; some counties add an option tax and a luxury fee on new/high-value cars.
Montana car sales tax by price
| Car price | State tax | Out-the-door |
|---|---|---|
| $15,000 | $0 | $15,000 |
| $25,000 | $0 | $25,000 |
| $40,000 | $0 | $40,000 |
| $60,000 | $0 | $60,000 |
No state vehicle sales tax — out-the-door equals price (plus DMV and any local fees).
How to estimate car sales tax in Montana
- 01 Enter your negotiated vehicle price.
- 02 Add any trade-in value — Montana has no state vehicle tax anyway.
- 03 The 0% Montana state rate is pre-filled — add your local rate for a closer number — and read the tax and out-the-door total.
Frequently asked questions
What is the car sales tax rate in Montana?
Montana has no state sales tax on vehicles, so the state car sales tax rate is 0%. You still pay title and registration fees, and some local jurisdictions may charge their own tax. Verify with your DMV.
How much is sales tax on a $30,000 car in Montana?
In Montana there is no state sales tax on a $30,000 car — you owe $0 in state vehicle sales tax. Local taxes and DMV fees may still apply.
Does a trade-in reduce car sales tax in Montana?
Montana has no state sales tax on vehicles. A county option tax and a luxury-vehicle fee may apply.
Are county and city taxes included in this Montana estimate?
No. This shows the Montana state rate only. Local county, city and district taxes are added on top in most states, and title, registration and documentation fees are separate. Your final out-the-door price depends on where the car is registered — always confirm with your DMV.
Do I pay Montana car sales tax where I buy or where I live?
You generally pay vehicle sales/use tax based on where the car is registered — your home state and address — not where the dealership is. Buying in a lower-tax state does not avoid your home state's tax when you register the car.
Is this Montana car sales tax calculator free?
Yes — it is completely free, needs no sign-up, and runs entirely in your browser. Nothing you enter is uploaded anywhere.
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