How Much Car Insurance Do I Need in Montana?

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Minimum Car Insurance Requirements in Montana

State-Mandated Minimum Requirements

In Montana, you’re legally required to carry at least:

  • $25,000 bodily injury per person

  • $50,000 bodily injury per accident

  • $20,000 property damage per accident

You must also be offered uninsured/underinsured motorist (UM/UIM) coverage ($25,000/$50,000), though you can opt out in writing.

Other coverages like collision, comprehensive, and medical payments are optional but highly recommended for full protection.


Typical Costs in Montana

  • Liability-only policies: approx. $44–77/month ($528–924/year)

  • Full coverage policies: approx. $120–200/month (~$1,445/year)

Your exact premium depends on factors like your driving record, ZIP code, age, credit score, and vehicle type.


Recommended Coverage (Beyond the Minimum)

Most experts suggest:

  • Liability: $100,000 per person / $300,000 per accident

  • Property damage: at least $100,000

  • UM/UIM: Match liability limits

  • Comprehensive & Collision: Especially for newer or financed vehicles

  • Medical Payments (MedPay): Helpful even if you have health insurance

Choosing higher deductibles can reduce your monthly cost, though it increases what you pay out of pocket in a claim.


Why Minimum Might Not Be Enough

  • Serious accidents often exceed $50,000 in damages

  • Without collision/comprehensive, you’re not protected for your own vehicle

  • Lenders require full coverage for financed cars

  • UM/UIM protects you if hit by an uninsured driver

  • Minimum-only customers may be viewed as higher-risk, leading to higher future rates


Montana Insurance Snapshot

Coverage TypeMinimum RequiredSuggested Coverage
Bodily Injury (per person)$25,000$100,000–300,000
Bodily Injury (per accident)$50,000$300,000
Property Damage$20,000$100,000
UM/UIM$25,000/$50,000Match liability
Collision & ComprehensiveOptionalRecommended
Medical PaymentsOptional$5,000–50,000

Tips to Lower Premiums

  1. Bundle home and auto insurance

  2. Raise deductibles

  3. Keep a clean driving record

  4. Consider pay-per-mile insurance if you drive less

  5. Shop around and compare quotes regularly


Final Takeaway

  • Minimum required in Montana: 25/50/20 liability plus offered UM/UIM

  • Best practice: 100/300/100 with comprehensive and collision

  • Average cost: $528–1,445/year depending on coverage


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