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How much car insurance do I need?

4 min read

Owning a car gives a sense of freedom and possibility, but it also comes with financial responsibilities. Before you hit the open road, you need to have your car insurance costs buckled up. The real question isn't whether you need car insurance, but how much coverage will actually protect you? And how much is actually legally required?

Read more: How to open an Ally Bank account

Minimum auto coverage vs. full coverage

When it comes to car insurance, you have two routes:

  • Minimum coverage: Typically satisfies legal requirements and covers other drivers’ medical bills and car repairs, but not your own, if you’re at fault.

  • Full coverage: Offers financial protection to you and your vehicle. Rates vary by state, driver age and driving record, but on average, expect full coverage to cost roughly three times as much as minimum coverage.

Note: “Full coverage” is not a policy type — it’s shorthand for liability plus comprehensive and collision.

Factors that affect how much car insurance you need

Insurance providers consider a lot of information when pricing your coverage, including:

  • State requirements: Rules and requirements mandated by your state. Research your location’s minimum insurance requirement or reference a nationwide chart.

  • Vehicle value and age: The car type and its age will affect the cost of your insurance.

  • Driving habits and risks: Previous traffic violations, accident involvement and where you park your car (garage, street, an unprotected area, etc.) can affect your insurance premiums.

  • Daily commute and mileage: If you have a long commute or put a lot of miles on your car, you may face higher rates.

Required and optional car insurance coverages

Use this matrix to help you understand what to consider while deciding what coverage to carry and at what levels:

Coverage type

You may want it if …

You may not need it if …

Typical limit/deductibles

Liability

It's required in your state

Don’t skip below state minimums

Policies may look like 25/50/10, 100/300/50 or 250/500/100

Personal injury protection (PIP)

You live in a “no-fault” state or want additional protection for medical expenses or lost wages

You live in an optional state and have comprehensive healthcare coverage

Depends on the state

Medical expenses (MedPay)

You have high-deductible health insurance or carry passengers often

You have low-deductible, comprehensive health insurance and PIP

Typically range from $1,000 to $10,000, depending on the state and insurer

Uninsured/underinsured motorist coverage (UM/UIM)

Many drivers in your area only carry state-minimum insurance; you want significant protection for a smaller price

Strongly encouraged not to skip, some states even require it

Often mirrors state minimums

Collision

You are leasing or financing your vehicle, or your car is high value

You have a paid-off older vehicle or low-value car

Choose a deductible you can afford

Comprehensive

You are leasing or financing your vehicle and want protection against theft, fire, vandalism or natural disasters

You have a low-value car and risk tolerance is high

Usually paired with collision, but might have separate deductible

Car insurance requirements if you finance or lease

Lenders and lessors typically require full coverage insurance for the duration of the loan or lease. If coverage lapses, the lender will typically purchase their own (often more expensive) policy and charge you for it.

If you’re financing or leasing with Ally Auto, expect to purchase full coverage insurance and list Ally as a lienholder or lessor. Check your contract for deductible limits and other requirements.

Which deductible should you choose?

Generally, you should consider choosing a deductible you can pay immediately so you don’t have to finance a deductible after a claim.

When deciding which policy is right for you, consider:

  • Emergency fund availability: Choose an amount you can afford to pay immediately after an accident.

  • Risk: If you have a clean driving record and substantial savings, a higher deductible could save on monthly premium costs.

  • Vehicle value: For older cars with lower market value, a high deductible might not make sense.

  • Consistency: Consider matching collision and comprehensive deductibles, unless pricing favors splitting.

What happens if you don’t have car insurance?

If you are in a state that requires insurance coverage and you are pulled over while driving without insurance, you could:

  • Incur fines

  • Have your car impounded

  • Have your license suspended

  • Be sued by other driver for damages

  • Potentially face jail time

Consider the risks of driving uninsured and be aware that it's best to maintain active insurance coverage.

Stay insured and informed

Finding the right type and amount of car insurance coverage for you means balancing costs, state requirements and more. By taking the time now to understand your options and choose coverage that truly fits your needs, you can drive confidently knowing you’re fully prepared for the road ahead.

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