
Compare Cheap Auto Insurance in Montana
State Farm offers the cheapest average rates for most drivers in Montana; USAA is generally cheapest for military-affiliated drivers.
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Key Takeaways: Cheap Car Insurance in Montana
State Farm offers the cheapest car insurance in Montana for most drivers; USAA is cheapest for military-affiliated drivers.
- Full coverage averages $2,315/year in Montana; minimum coverage averages $563/year — both below the national average.
- USAA is the cheapest overall at $1,263/year for full coverage, but requires military affiliation.
- State Farm is the cheapest for non-military drivers at $1,314/year, and also offers the best rates for teens, accidents, and DUIs.
- GEICO offers competitive rates for many driver profiles but is less competitive for teens and high-risk drivers.
The cheapest rates available in Montana will depend on your specific driving profile, as well as other factors like your location. For example, auto insurance rates are more expensive, on average, in a city like Billings than in less populated regions.
Cheapest Car Insurance in Montana for Full Coverage: USAA and State Farm
USAA, which is available to drivers who are affiliated with the military, offers the cheapest full coverage premiums in Montana at $1,263 per year on average. State Farm is the cheapest company without any eligibility requirements at $1,314 per year, which is 43% below the state average.
| Provider | Annual Full Coverage | Monthly Full Coverage |
|---|---|---|
| USAA | $1,263 | $105 |
| State Farm | $1,314 | $110 |
| GEICO | $2,238 | $187 |
| Progressive | $2,403 | $200 |
| Allstate | $2,913 | $243 |
| Farmers | $3,513 | $293 |
| Montana average | $2,315 | $193 |
| National average | $2,356 | $196 |
Cheapest Car Insurance in Montana for Minimum Coverage: USAA and State Farm
USAA also has the best minimum coverage rates in Montana at $223 annually, or less than $20 per month. State Farm and GEICO have the next cheapest annual rates at $248 and $382, respectively — both also under the state average of $563.
| Provider | Annual Minimum Coverage | Monthly Minimum Coverage |
|---|---|---|
| USAA | $223 | $19 |
| State Farm | $248 | $21 |
| GEICO | $382 | $32 |
| Progressive | $650 | $54 |
| Allstate | $886 | $74 |
| Farmers | $944 | $79 |
| Montana average | $563 | $47 |
| National average | $722 | $60 |
Cheapest Car Insurance in Montana for Teen Drivers: State Farm
Montana households with teens can find affordable auto insurance rates from State Farm at $3,259 — about 48 percent cheaper than the state average. For eligible drivers, USAA has the next lowest rates at $3,797 per year on average.
| Provider | Annual with Teen Driver | Monthly with Teen Driver |
|---|---|---|
| State Farm | $3,259 | $272 |
| USAA | $3,797 | $316 |
| Allstate | $5,572 | $464 |
| GEICO | $6,327 | $527 |
| Progressive | $6,902 | $575 |
| Farmers | $10,584 | $882 |
| Montana average | $6,257 | $521 |
| National average | $6,054 | $505 |
Cheapest Car Insurance in Montana With a Speeding Ticket: USAA and State Farm
Drivers with a speeding ticket in Montana can find the cheapest average rates from USAA at $1,451 annually and State Farm at $1,771 annually.
| Provider | Annual With Speeding Ticket | Monthly With Speeding Ticket |
|---|---|---|
| USAA | $1,451 | $121 |
| State Farm | $1,771 | $148 |
| GEICO | $2,434 | $203 |
| Allstate | $2,862 | $239 |
| Progressive | $2,901 | $242 |
| Farmers | $4,214 | $351 |
| Montana average | $2,649 | $221 |
| National average | $2,730 | $228 |
FYI:
In Montana, a speeding ticket can increase your auto insurance rates by an average of 14%. You can expect your rates to go up even more for subsequent tickets or for more severe violations like accidents and DUIs.
Cheapest Car Insurance in Montana With an At-Fault Accident: State Farm
State Farm also offers the best rates for drivers with an at-fault accident in Montana at $1,423 per year on average, which is 53 percent cheaper than the state average. Drivers affiliated with the military can also find affordable rates from USAA, which has an average annual premium of $1,544.
| Provider | Annual With At-Fault Accident | Monthly With At-Fault Accident |
|---|---|---|
| State Farm | $1,423 | $119 |
| USAA | $1,544 | $129 |
| GEICO | $3,211 | $268 |
| Progressive | $3,389 | $282 |
| Allstate | $3,819 | $318 |
| Farmers | $4,482 | $373 |
| Montana average | $3,036 | $253 |
| National average | $3,156 | $263 |
Cheapest Car Insurance in Montana With a DUI: State Farm
State Farm offers the cheapest rates, on average, for Montana drivers with a DUI. The company’s average annual premium of $1,679 is 52 percent below the state average. USAA and Progressive also have affordable rates, averaging $2,146 and $2,539 annually, respectively.
| Provider | Annual With DUI | Monthly With DUI |
|---|---|---|
| State Farm | $1,679 | $140 |
| USAA | $2,146 | $179 |
| Progressive | $2,539 | $212 |
| Allstate | $3,464 | $289 |
| Farmers | $4,645 | $387 |
| GEICO | $6,022 | $502 |
| Montana average | $3,499 | $292 |
| National average | $4,461 | $372 |
Cheapest Car Insurance in Montana With Low Credit: USAA and GEICO
USAA has the lowest average rates for eligible drivers in Montana at $2,314 — 40 percent below the state average. GEICO and Progressive offer the best rates for non-military drivers at $2,740 per year and $3,481 per year, respectively.
| Provider | Annual with Low Credit | Monthly with Low Credit |
|---|---|---|
| USAA | $2,314 | $193 |
| GEICO | $2,740 | $228 |
| Progressive | $3,481 | $290 |
| Allstate | $3,775 | $315 |
| Farmers | $5,469 | $456 |
| State Farm | $5,920 | $493 |
| Montana average | $3,874 | $323 |
| National average | $4,126 | $344 |
Best Claims and Customer Satisfaction in Montana: State Farm
In addition to having some of the cheapest auto insurance rates in Montana, State Farm also ranks higher than most competitors when it comes to customer satisfaction. You should always get quotes from several companies, as a different one may be cheapest for you, but it’s worth taking customer satisfaction ratings into account as well. USAA also has a strong customer service record for those eligible.
How to Find the Cheapest Car Insurance Rates in Montana
- Compare rates: It’s a good idea to get a quote from at least three different companies when looking for a new auto insurance policy, since rates can vary greatly from one provider to another. The cheapest for you may differ from the average.
- Keep your record clean: Drive safely and do your best to keep violations off your record to maintain low rates — speeding tickets, DUIs, etc., will all cause your premium to increase.
- Bundle policies: Most insurers offer a discount — sometimes up to 25% — for purchasing more than one type of policy, including home or renters insurance. Depending on the provider, you may be able to bundle other policies, such as pet and motorcycle insurance.
- Lower your coverage: As long as you have limits above Montana’s minimum coverage requirements, you can lower them if you wish. However, be aware that this leaves you at risk of significant out-of-pocket costs in the event of a claim. Make sure to weigh your situation and needs before deciding to lower your coverage.
Average Auto Insurance Cost in Montana by City
The cost of car insurance in Montana varies depending on where you live. Billings is the city with the most expensive car insurance in Montana at $2,390 per year on average. Meanwhile, the less populated city of Missoula has lower average rates at $2,048 per year.
| City | Annual Full Coverage | Monthly Full Coverage |
|---|---|---|
| Billings | $2,390 | $199 |
| Great Falls | $2,263 | $189 |
| Bozeman | $2,232 | $186 |
| Helena | $2,109 | $176 |
| Missoula | $2,048 | $171 |
| Montana average | $2,315 | $193 |
Minimum Car Insurance Requirements in Montana
By law, Montana drivers must have an auto insurance policy that meets at least the following minimum requirements:
- Bodily injury liability: $25,000 per person/$50,000 per accident
- Property damage liability: $20,000 per accident
These liability limits only cover injuries and damage you cause to others in an accident, and will not pay for damage to your own vehicle. To add this to your policy, you’ll need full coverage, which includes comprehensive and collision coverages. It’s also a good idea to get more than the minimum liability limits if you can afford to for more robust financial protection.
Frequently Asked Questions
USAA offers the cheapest car insurance in Montana at $1,263 per year on average for full coverage and $223 per year on average for minimum coverage. For those not eligible for USAA, State Farm has the cheapest average rates at $1,314 annually for full coverage and $248 annually for minimum coverage.
Car insurance costs an average of $193 per month for full coverage and $47 per month for minimum coverage. However, the amount you pay will likely be different and depends on various factors, including where you live and what kind of car you drive.
Yes, it is illegal to not have car insurance in Montana. State law requires drivers to carry at least the following liability minimums to drive legally: $25,000 per person and $50,000 per accident in bodily injury liability and $20,000 per accident in property damage liability.
Registering a car is cheaper in Montana is relatively expensive compared to many other states if your car is four years old or newer. After that, the fee drops significantly. Below is the current registration fee schedule for Montana:
| Vehicle Age | Registration Fee |
|---|---|
| 0 to 4 years | $217 |
| 5 to 10 years | $87 |
| 11+ years | $28 |
Methodology
We analyze average auto insurance premiums in Montana for full and minimum coverage for good drivers with good credit as well as other driver profiles, including those with DUIs, accidents, low credit, and teenagers. Full coverage averages use the following limits:
- Bodily injury liability: $100,000 per person/$300,000 per accident
- Property damage liability: $50,000 per accident
- Uninsured and underinsured motorist bodily injury: $100,000 per person/$300,000 per accident
- Comprehensive and collision: $500 deductible
Sources
It’s Now a Buyer’s Market for Auto Insurance, JD Power Finds. JD Power. (2025, Jun 10).
https://www.jdpower.com/business/press-releases/2025-us-auto-insurance-studySatisfaction with Auto Insurance Claims Strained by Higher Deductibles, More Total Losses, JD Power Finds. JD Power. (2025, Oct 28).
https://www.jdpower.com/business/press-releases/2025-us-auto-claims-satisfaction-studyTop Rated U.S. Car Insurance Companies for 2026. CRASH Network. (2026).
https://www.crashnetwork.com/irc/



