Montana vs New Mexico Car Insurance

Side-by-side car insurance rate comparison based on data from NAIC & State DOI.

Quick Verdict

More Affordable

Montana is $10/yr cheaper on average.

Fewer Uninsured

Montana has a lower uninsured rate (7.5% vs 19.8%).

Rate & Coverage Comparison

Attribute	Montana	New Mexico
Avg Annual Premium	$1,680	$1,690
Min Liability	$550	$550
Full Coverage	$1,680	$1,690
Fault System	At-Fault (Tort)	At-Fault (Tort)
Uninsured Rate	7.5%	19.8%
Registered Vehicles	889,700	1,736,760
Accidents/Year	13,345	26,051
Population	1,085,000	2,118,000

Minimum Coverage Requirements

Montana

25/50 / 20 liability

New Mexico

25/50 / 10 liability

Premium Comparison

Montana$550 – $1,680

Liability: $550Avg: $1,680Full: $1,680

New Mexico$550 – $1,690

Liability: $550Avg: $1,690Full: $1,690

MontanaFull rates, age breakdown, requirements →New MexicoFull rates, age breakdown, requirements →

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CarInsurancePeek Editorial TeamInsurance Data Specialists

The CarInsurancePeek editorial team aggregates and verifies car insurance rate data from NAIC & State DOI. Every statistic is cross-referenced against official state DOI filings before publication, with quarterly re-verification cycles.

Sourced from NAIC & State DOIQuarterly reviewNo paid placements

Read our full methodology or contact us with corrections.

Frequently Asked Questions

Which state has cheaper car insurance, Montana or New Mexico?

Montana has cheaper car insurance, with an average annual premium of $1,680 compared to $1,690 in New Mexico - a difference of $10 per year.

How do Montana and New Mexico compare on fault systems?

Montana uses a at-fault (tort) system while New Mexico uses a at-fault (tort) system. Both states use the same system.

What are the minimum insurance requirements in Montana vs New Mexico?

Montana requires 25/50 / 20 liability. New Mexico requires 25/50 / 10 liability. Minimum liability costs $550/yr in Montana and $550/yr in New Mexico.

Which state has more uninsured drivers, Montana or New Mexico?

New Mexico has a higher uninsured driver rate at 19.8%, compared to 7.5% in Montana. Higher uninsured rates typically mean higher uninsured motorist coverage costs.

Where does the Montana vs New Mexico insurance data come from?

All insurance rate data comes from NAIC & State DOI (2025). Premiums represent state-wide averages and individual rates vary based on driving history, age, vehicle, and coverage levels. Visit our methodology page for details.

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Attribute

Montana

New Mexico

Avg Annual Premium

$1,680

$1,690

Min Liability

$550

Full Coverage

$1,680

$1,690

Fault System

At-Fault (Tort)

Uninsured Rate

7.5%

19.8%

Registered Vehicles

889,700

1,736,760

Accidents/Year

13,345

26,051

Population

1,085,000

2,118,000