DMVCosts

Montana Car Sales Tax Calculator

There is no field to fill in on this one: Montana's motor vehicle sales tax rate is 0%, on every purchase, at every price point, from a used sedan to a seven-figure hypercar. Montana joined Alaska, Delaware, New Hampshire, and Oregon in never taxing retail sales at all, and it never carved out an exception for cars the way some no-general-sales-tax states do for big-ticket items.

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  • No signup
  • Verified June 2026
Sales tax rate
0%
Applies to
Every vehicle, every price
You still owe
Registration + county tax
Montana LLC trick
Legal here, risky at home
Other 0%-tax states
AK, DE, NH, OR

Your numbers

$

45 of Montana's 56 counties levy this tax; the rate and whether it applies at all is set county by county.

What you actually owe (no sales tax)

$355.00

  • Sales tax (Montana rate: 0%)$0.00
  • Registration (0-4 years old)$217.00
  • County option tax (annual, on depreciated MSRP)$138.00

No matter the price you enter, the sales tax line stays $0 - Montana taxes vehicles through registration and (in most counties) the option tax instead.

Overview

What it doesn't mean is a free ride. You'll still owe an age-based registration fee and, in most counties, a local option tax charged annually on the vehicle's depreciated original MSRP - which is a genuinely different bill than a one-time sales tax, not a rebrand of it. This page also covers the search that brought a lot of people here: registering an out-of-state vehicle through a Montana LLC to dodge your home state's sales tax, and why that's riskier than the ads make it sound.

01 - Official fees

Montana car sales tax fees at a glance

FeeAmount
Montana motor vehicle sales tax0%
Registration (replaces nothing - always owed)$28–$217/yr
County option tax (most counties)0%–0.7%
Title fee$12.36

Figures verified June 2026 against official sources (listed below). Always confirm the final amount with your county treasurer's motor vehicle office (MT MVD) - counties can add small local fees.

03 - Same state, other costs

More Montana vehicle costs

04 - Common questions

Montana car sales tax FAQ

Does Montana really charge 0% sales tax on cars?

Yes. Montana has no statewide or local general sales tax, and vehicles get no special exception the way some 0%-tax states occasionally carve one in. A $200,000 truck and a $2,000 beater both owe exactly $0 in sales tax here.

If there's no sales tax, why do I still owe money at the county office?

Registration and the county option tax aren't sales tax - they're separate, ongoing charges that exist whether you bought the vehicle in Montana, inherited it, or moved here with it. Registration is age-based ($28-$217/yr); the county option tax, where a county imposes one, is up to 0.7% of the depreciated original MSRP, billed annually (or once, at 5x, if you go permanent).

What is the 'Montana LLC' trick people talk about for exotic cars?

Out-of-state buyers form a Montana LLC, then title and register the vehicle in the LLC's name in Montana, paying $0 sales tax instead of their home state's 6-10%. On a $300,000 car that can look like a $20,000-$30,000 saving. It is legal under Montana law for the LLC itself - Montana doesn't require the vehicle to ever touch the state.

What's the actual risk of registering my car through a Montana LLC?

Your home state, not Montana, is the danger. States including California, Colorado, and Washington actively investigate residents who keep and drive a vehicle at home while it's plated to an out-of-state shell LLC, and prosecute it as sales/use tax evasion - a YouTuber was arrested on two felony tax-evasion counts in Tennessee in 2025 over exactly this on a $400,000 Ferrari. Some states have also stiffened penalties for it recently: Georgia doubled its late-payment penalty for vehicles held in passive out-of-state entities starting January 2026.

Are there other real risks besides getting caught?

Insurance is the quiet one. Many insurers will deny a claim or void the policy entirely if they discover the vehicle is titled to a Montana LLC but actually garaged and driven in another state - because the policy was written (and priced) as if the car lived in Montana. That's a real car totaled with no payout, not a hypothetical.

Is there any legitimate reason to use a Montana LLC for a vehicle?

Yes - if you genuinely operate a Montana-based business (or the vehicle is primarily used there), an LLC is an ordinary way to title a business asset, same as in any state. The legal exposure shows up specifically when the LLC exists only on paper to avoid tax on a car that lives and drives somewhere else.

05 - Receipts

Official sources

Every number on this page comes from these documents - check them yourself.

Disclaimer

DMVCosts provides fee estimates for general informational purposes only - it is not legal, tax, or financial advice, and no calculator can account for every county surcharge, exemption, or mid-year rate change. Figures are verified against official sources on the date shown, but fees change over time.

The final, binding amount is always the one quoted by your county treasurer's motor vehicle office (MT MVD). Confirm with them before making payment decisions. To the fullest extent permitted by law, DMVCosts disclaims all liability for decisions made based on these estimates.