Montana Out the Door Price Calculator

Montana out-the-door price example

Here is what the calculator above returns for a Montana purchase of a new $30,000 car with a $5,000 trade-in, paid in cash. The $300 doc fee is a placeholder for illustration, since Montana has no dollar cap on file; use the figure on your dealer’s quote.

Vehicle price	$30,000.00
Trade-in	-$5,000.00
Dealer doc fee	$300.00
State sales tax (none in Montana) (0%)	$0.00
Title fee	$12.00
Registration (by vehicle age)	$217.00
Highway patrol fee	$10.00
State parks fee (opt-out allowed)	$9.00
Estimated out-the-door price	$25,548.00

Financed in full over 60 months at a sample 7% APR, that total is about $505.88 a month. Enter your own rate, term, and down payment above.

Montana sales tax on a car

Montana has no state sales tax on vehicle purchases, so the calculator uses 0% state sales tax. Your out-the-door total is mostly the price, the dealer doc fee, and title and registration fees. official source

Does a trade-in lower Montana sales tax?

There is no state sales tax to reduce, so a trade-in only lowers the amount you pay the dealer. Confirm this with the state tax agency. official source

Montana dealer doc fee

Montana has no doc fee cap on file here, so treat the fee as a negotiable dealer charge, not a government fee. Ask what it covers and compare it between dealers.

Montana title, registration, and other fees

Every fee below is in the live calculator. Fees marked “you enter” could not be confirmed from an official schedule for this release, so the calculator shows a field for them instead of guessing.

Title fee: $12.00. source
Registration (by vehicle age): set by vehicle age, $28.00 to $217.00. source
Highway patrol fee: $10.00. source
State parks fee (opt-out allowed): $9.00. source
Luxury vehicle fee (MSRP over $150,000): set by MSRP, $0.00 to $825.00. Applies to light vehicles 10 years old or newer. source

Nearby states

Buying across a state line? Tax and registration usually follow the state where you register the car. Compare neighbouring states:

See all 50 states and DC

Estimates from official sources as of October 24, 2026; not legal or tax advice; confirm with your DMV.

Questions

How much is the out-the-door price on a $30,000 car in Montana?

About $30,248.00 before local tax, using the state figures on this page and no doc fee. Use the calculator to add your trade-in, local rate, and financing.

Is there sales tax on cars in Montana?

Montana has no state sales tax on vehicles, so the calculator uses 0%.

Is the Montana dealer doc fee capped?

There is no dollar cap on file for Montana, so the doc fee is a negotiable dealer charge.

Does a trade-in reduce Montana sales tax?

There is no state sales tax to reduce.

Montana Out the Door Price Calculator