Montana car insurance laws
These limits are in place to ease the financial burden for drivers who cause an accident and for the victims. The at-fault driver knows their insurer will cover medical expenses and property damage up to a certain amount, and victims can more readily access funds to pay for accident costs.
However, a serious crash can generate medical and repair bills that exceed the state minimum limits. Once the available coverage is exhausted, the at-fault driver will be personally responsible for the unpaid amount.
Montana car insurance requirements
Montana drivers must carry liability insuranceLiability insurance covers sums that an insured becomes legally obligated to pay because of bodily injuries or property damage, or financial losses caused to other people.. The minimum liability limit is 25/50/20. These minimum limits help pay for injuries and property damage after an accident, but if costs exceed your policy limits, you will be responsible for the remaining amount.
Montana requires the following coverage:
Liability. There are two parts to liability coverage. First, bodily injury liability pays medical costs associated with an accident, such as doctor visits, surgery, and prescriptions. Second, property damage liability covers repairing or replacing items such as vehicles, fences, or buildings.
Montana liability minimums are 25/50/20.
Minimum coverage in Montana costs an average of $422. GEICO offers the lowest average rate at $246, but your premiumThe payment required for an insurance policy to remain in force. Auto insurance premiums are quoted for either 6-month or annual policy periods. will depend on your driving record, age, location, and other factors.
The table below shows the average rates of the top insurers for minimum coverage in Montana.
| Company | Average annual premium | Average monthly premium |
|---|---|---|
| GEICO | $246 | $20 |
| State Farm | $249 | $21 |
| Progressive | $453 | $38 |
| Kemper | $477 | $40 |
| Farmers | $495 | $41 |
| Nationwide | $577 | $48 |
| Allstate | $696 | $58 |
| USAA | $185 | $15 |
Montana car insurance cost for minimum coverage limits
The average cost of minimum coverage car insurance in Montana is $422. GEICO offers the cheapest average policy at $246 annually. However, your actual rate will depend on the company you choose and personal factors such as your age, address, and driving record.
| State minimum coverage limit | 25/50/20 |
| Average annual premium | $422 |
| Average monthly premium | $35 |
Are the minimum coverage requirements changing in 2026 in Montana?
Montana car insurance requirements will not change in 2026. Drivers who already carry the state-required minimum coverage do not need to update their policies. If requirements change later, insurers will inform affected policyholders and explain any necessary coverage or premium adjustments.
Why do limits change?
"Several states have minimum requirements of property damage of $10,000-$25,000," says Zack Pope, agency manager at David Pope Insurance in Missouri. "[Given] the current values of vehicles, that's extremely antiquated coverage values and a main reason that I personally do not offer less than 100/300/100 to customers. It is significantly easier to see a car on the road that is valued at $100,000 than it has been in the past."
What does minimum car insurance cover in Montana?
Minimum car insurance in Montana covers certain accident-related expenses up to the limits required by law. Liability coverage pays for injuries and property damage you cause to others. These coverages pay for injuries, property damage, and other losses included under Montana's minimum insurance requirements.
Montana requires drivers to carry at least a minimum amount of car insurance to help offset accident costs.
Montana drivers are required to carry liability coverage. Bodily injury liability helps pay for injuries you cause to others in an accident. Property damage liability covers items damaged in an accident, such as another vehicle, fence, or other property.
PEOPLE ASK:
Is Montana minimum car insurance enough?
Minimum car insurance may not provide enough protection in Montana. A serious accident can easily result in expenses above the required limit of 25/50/20, leaving you responsible for the remaining amount. Minimum liability insurance also does not cover damage to your vehicle, regardless of whether it is damaged in a collision, stolen, or affected by weather. You need to add comprehensive and collision coverage; collision coverageCollision coverage helps pay for repairs or replacement of your car if it's damaged in an accident, regardless of who is at fault and is subject to a deductible. pays for crash damage to your vehicle, and comprehensive insurance covers non-collision losses such as theft, fire, hail, and falling objects.
How much car insurance is enough in Montana?
The right amount of car insurance in Montana depends on your income, savings, assets, vehicle value, and risk of being sued after an accident. Drivers with significant assets should consider higher liability limits, while drivers with financed or leased vehicles will generally need collision and comprehensive coverageComprehensive coverage helps pay for damage to your car caused by events other than a collision, such as theft, fire, vandalism, or natural disasters. It is subject to a deductible..
For example, if you are financially stable and can afford to pay out of pocket for medical costs and repairs, you may keep insurance limits low. However, you may be sued for the cost difference if you have a sizeable net worth and don't carry enough insurance to cover expenses.
Additionally, if you drive very little or have a short commute, your chances of causing an accident are relatively low. Also, you may choose to skip coverages such as collision and comprehensive if your car isn't worth much, or you can afford to pay for a new vehicle if yours is damaged. However, if you have a loan or lease, you will be required to carry this coverage by your lender.
Consider your financial situation when determining how much car insurance you need.
Montana penalties for driving without car insurance
Driving without required car insurance in Montana can result in fines, a suspended driver's license, vehicle registration penalties and higher future insurance rates. Penalties become more severe after repeated violations. You will also have to pay accident-related expenses out of pocket if you cause a crash while uninsured.
Failing to carry Montana car insurance has penalties, including those listed below. Keep in mind that repeated infractions have more severe penalties, such as jail time.
| Fines | $250-$500 |
| Other penalties | License and registration suspension |
| Jail time | Possible |
Montana minimum coverage cost by age group
Minimum coverage rates in Montana vary significantly by age because insurers use driving experience and claim risk when setting premiums. Younger drivers generally pay the highest rates, while premiums often decrease as drivers gain experience. GEICO is the cheapest for teens, and State Farm is the cheapest for adults.
The table below breaks down the cost of car insurance for various age groups. GEICO has the best rates for teens, with minimum coverage averaging $780. State Farm offers the cheapest coverage for adults at $240.
Additionally, females and males pay different rates. The average rate for a 40-year-old female is $428, and the average rate for a 40-year-old male is $417, a difference of $11.
Montana minimum coverage cost by city
Minimum coverage is cheapest in Belgrade, where drivers pay an average of $398. Billings has the highest average minimum coverage rate in Montana at $528. Differences in traffic, accident claims, theft, and local repair costs can cause premiums to vary from one city to another.
The table below shows average minimum coverage rates for cities in Montana.
| City | Average annual premium | Average monthly premium |
|---|---|---|
| Anaconda-Deer Lodge County | $403 | $34 |
| Belgrade | $398 | $33 |
| Billings | $528 | $44 |
| Bozeman | $436 | $36 |
| Butte | $419 | $35 |
| Great Falls | $452 | $38 |
| Havre | $411 | $34 |
| Helena | $421 | $35 |
| Kalispell | $457 | $38 |
| Missoula | $429 | $36 |
Optional car insurance coverage in Montana
Optional car insurance protects your vehicle and finances beyond the minimum coverage required in Montana. Collision and comprehensive insurance pay for damage to your own car, while rental reimbursement, roadside assistance and gap insurance address specific expenses that a state minimum liability policy does not cover.
Drivers may choose optional coverages such as:
- Collision coverage. Collision coverage pays for damage to your vehicle if you cause an accident.
- Comprehensive coverage. This coverage pays for damage to your car unrelated to an accident, such as fire, flood, falling debris, and hail.
- Rental car coverage. This pays for a rental car if your vehicle is being repaired for a covered claim and usually has time and cost limits.
- Roadside assistance coverage. If you run out of gas, need a tire changed, or have a dead battery, roadside assistance will send someone to help.
- Gap coverage. Gap coverage pays the difference between what you owe on a car loan and the vehicle's value.
Why do limits change?
Minimum car insurance limits change when state lawmakers determine that existing coverage amounts are no longer sufficient to meet current accident costs. As vehicle prices, repair bills and medical expenses rise, lower liability limits may leave both accident victims and at-fault drivers with large unpaid balances.
Methodology
Insurance.com partners with Quadrant Information Services to field average car insurance rates across all 50 states and Washington, D.C. National and state average rates are based on state minimum coverage and on the following parameters:
- 40-year-old driver
- Honda Accord LX
- Good credit
- A clean driving record
- 12-mile commute, 10,000 annual mileage
State laws were gathered from state DMV and insurance department websites.
Learn more about our data and methodology.
Montana car insurance laws and requirements: FAQs
Is it mandatory to have car insurance in Montana?
Yes, drivers in Montana must carry the minimum coverage required by state law. Required coverage includes 25/50/20. Failing to maintain mandatory insurance can lead to fines, license or registration penalties, and higher insurance costs when you purchase another policy.
Will my bare minimum car insurance cover me in another state?
Yes, your car insurance will cover an eligible claim when you drive in another state. If the state where the accident occurs requires higher liability limits, your policy will automatically adjust to meet those limits for the claim. However, this does not add collision or comprehensive coverage to a minimum policy.
What happens if I drive without car insurance in Montana?
Driving without car insurance in Montana can lead to fines, license suspension, vehicle impoundment, and increased insurance premiums. Repeat offenses may carry more serious consequences, including jail time. You will also be personally responsible for medical bills, repairs, and other damages if you cause an accident while uninsured.
Compare state minimum requirements with other states
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