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Progressive offers the cheapest auto insurance rates in Montana at about $940 a year or $78 monthly, on average. If you’re eligible, you can get cheaper rates at USAA, where the average is $928 a year. Both of which are below the average Montana car insurance rate of $1,751 a year.

Cheap isn’t everything, but an Insurance.com analysis of rates, complaints, and financial stability found Progressive to be the best insurance company in Montana as well as the most affordable.

Many factors go into your insurance premium. Insurance companies use your driving record, the type of car you drive, and the coverage you select to determine your car insurance cost. 

Read on to compare Montana insurance rates by company, age, and more.

Key takeaways

  • Progressive is the best car insurance company in Montana overall, with below-average rates and a low complaint ratio.
  • Progressive is also the cheapest car insurance company open to all residents in Montana at $940 per year.
  • For all ages, Progressive has the cheapest car insurance rates, including teens.

Average cost of car insurance in Montana

The average car insurance rate in Montana is $1,751 a year for a full coverage policy with a coverage level of 100/300/100 for a driver age 40, according to a rate analysis by Insurance.com. For the state minimum coverage, the average annual cost in Montana is $343.

Best car insurance companies in Montana

Progressive is the best car insurance company in Montana that is open to all drivers, based on a 2023 analysis by Insurance.com, with an overall rating of 4.65.

USAA ranked higher, but is only for military members and their families, with an overall rating of 4.9.  

Below is a full list of the top Montana insurance companies based on price, NAIC complaint ratio, and AM Best financial ratings. The total Insurance.com score is calculated out of five using these factors.

Best car insurance companies in Montana
Insurance companyAM BestAverage annual rateNAIC Complaint ratioInsurance.com score
USAA*A++$ 9280.994.9
ProgressiveA+$ 9400.734.65
State FarmA++$ 1,3460.524.37
NationwideA+$ 1,4210.664.28
GeicoA++$ 2,0730.774.04
AllstateA+$ 2,4490.953.4
FarmersA$ 2,1560.773.37

*USAA offers car insurance only to military members, veterans and their families.

Cheapest car insurance companies in Montana

Don't just go with the first insurer you come across. Comparison shopping is the key when it comes to finding the best deal on auto insurance. Get quotes from several different insurers and compare their rates. You may be surprised at how much difference there can be in rates from one company to another.

We have gathered price quotes from all the major insurance providers in Montana and put together a list of the cheapest car insurance companies. Based on a rate analysis by Insurance.com, USAA is the cheapest auto insurance company in Montana but is available only to military members and their families, with average rates of $928 annually or $77 a month for full coverage. Progressive is the cheapest company that is open to all drivers, with an average annual rate of $940 for full coverage in Montana.  

CompanyState minimum50/100/50 liability only100/300/100 liability with $500 comp/coll deductible
USAA*$ 138$ 174$ 928
Progressive$ 152$ 296$ 940
State Farm$ 204$ 332$ 1,346
Nationwide$ 463$ 685$ 1,421
Geico$ 242$ 324$ 2,073
Farmers$ 430$ 693$ 2,156
Allstate$ 569$ 680$ 2,449
Kemper Insurance$ 545$ 674$ 2,692

*USAA offers car insurance only to military members, veterans and their families.

Cheapest car insurance cost in Montana by age

In Montana, car insurance rates are higher for teenagers as they are more prone to accidents due to their lack of driving experience.

Progressive offers the cheapest car insurance for teen drivers in Montana at $2,910 per year for a full coverage policy. 

Car insurance rates will decrease as teens age and keep a good driving record. Car insurance rates for adults 25+ and seniors 60+ are lower than those for teens and young adults. 

In Montana, Progressive offers the cheapest full-coverage car insurance for adult and senior drivers at $929 per year and $905 per year, respectively.  

heapest car insurance by age in Montana
Age (group) Company Group Avg. Annual Premium
Teens (16-19)Progressive$ 2,910
Teens (16-19)USAA$ 3,227
Teens (16-19)State Farm$ 3,410
Teens (16-19)Nationwide$ 4,421
Teens (16-19)Geico$ 6,406
Teens (16-19)Farmers$ 6,661
Teens (16-19)Allstate$ 8,553
Teens (16-19)Kemper Insurance$ 9,222
Young Adults (20-24)USAA$ 1,481
Young Adults (20-24)Progressive$ 1,489
Young Adults (20-24)State Farm$ 2,066
Young Adults (20-24)Nationwide$ 2,310
Young Adults (20-24)Farmers$ 2,868
Young Adults (20-24)Allstate$ 3,419
Young Adults (20-24)Geico$ 3,839
Young Adults (20-24)Kemper Insurance$ 4,887
Adults (25-55)Progressive$ 929
Adults (25-55)USAA$ 966
Adults (25-55)State Farm$ 1,345
Adults (25-55)Nationwide$ 1,405
Adults (25-55)Geico$ 2,049
Adults (25-55)Farmers$ 2,130
Adults (25-55)Allstate$ 2,448
Adults (25-55)Kemper Insurance$ 2,820
Seniors (60-75)Progressive$ 905
Seniors (60-75)USAA$ 914
Seniors (60-75)State Farm$ 1,252
Seniors (60-75)Nationwide$ 1,380
Seniors (60-75)Farmers$ 1,976
Seniors (60-75)Kemper Insurance$ 2,276
Seniors (60-75)Geico$ 2,392
Seniors (60-75)Allstate$ 2,404

USAA offers car insurance only to military members, veterans and their families.

Cheapest car insurance companies in Montana by driver profile

Drivers who have accidents or tickets are considered a higher risk and will pay more for insurance. 

The severity and frequency of the incidents on your record will also play a role in insurance rates. For instance, drivers with a single minor accident will see a smaller increase in their rates compared to those with multiple major accidents.

Below are average Montana rates by company for drivers with accidents and tickets on their driving record. 

Cheapest car insurance companies for tickets and accidents in Montana 
CompanyClean recordAccidentTicket
USAA*$ 899$ 1,209$ 1,119
Progressive$ 1,221$ 1,914$ 1,694
State Farm$ 1,334$ 1,497$ 1,383
Nationwide$ 1,413$ 2,444$ 1,958
Geico$ 1,944$ 2,868$ 2,152
Farmers$ 2,278$ 3,188$ 2,931
Allstate$ 2,460$ 3,454$ 2,759
Kemper$ 2,577$ 3,776$ 3,009

*USAA offers car insurance only to military members, veterans and their families.


Insurance.com commissioned Quadrant Information Services in 2022 to field rates from up to six major insurers in every state across most ZIP codes. Driver profile: male, age 40, driving 2021 Honda Accord LX with full coverage of 100/300/100 with comprehensive and collision; $500 deductible.

The car insurance rates for drivers with accidents and tickets are averaged based on rates for the following accidents and tickets: 


  • 1 at-fault property damage accident over $2k
  • 1 at-fault property damage accident under $2k
  • At-fault bodily injury accident 
  • Single vehicle accident 


  • Distracted driving ticket
  • Speeding ticket 1- 10 MPH over limit 
  • Speeding ticket 11- 29 MPH over limit 
  • Talking on cellphone ticket 
  • Texting ticket 

Insurance.com analyzed rates from more than 34,000 ZIP codes, 56 million quotes, and 136 companies. Rates sourced from Quadrant Data Services are for comparison purposes only; your rates may differ.  

Compare auto insurance rates by city in Montana

Anaconda-Deer Lodge County