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Insurance Policy Authority
Insurance advice for auto, home, and life.
Auto Insurance: Coverage
This section is the most important part of this guide. Take your time and focus on understanding the concepts presented here, as they will directly impact the decisions you make when choosing your coverage.
If you're already familiar with the basic purpose of auto insurance and want to focus on understanding your coverage options, you can begin here. This section is designed to help you understand the major areas of protection available within a policy and how they work together.
So what exactly is coverage?
Auto insurance, as a service, is designed to provide protection. Coverage is how that protection is defined. It represents the areas being protected and the types of protection that apply to them.
If we think of insurance as a shield or safety net, then coverage determines how much of that shield you have, and what it is designed to protect.
At its core, coverage can be understood as:
Coverage = Areas + Types
To fully understand coverage, you must first understand the different areas that can be protected. Then, you must understand the types of coverage available for each of those areas.
Once these two pieces are clear, the rest of the process becomes much easier to follow.
There are many moving parts within a car insurance policy, and it can seem complex at first. To simplify this, we’ve created a structured visual framework that breaks coverage down into clear, manageable components.
(For this guide, we group auto insurance coverage into four main areas: You, Your Car, Other People, and Other Property. Policies may be written differently, but the underlying risks—and how coverage responds to them—are consistent.)
We begin by identifying the different areas of coverage.
Areas of Coverage
One of the most common misconceptions about car insurance is that it only protects your car. In reality, coverage extends beyond your vehicle to include multiple areas where damage or loss can occur.
To better understand this, we will think of coverage as a single, complete unit. For illustration purposes, we represent it as a full circle. From there, we break it down into smaller sections, each representing a specific area of protection.
To identify these areas, consider a simple scenario: you are involved in an accident with another vehicle.
From this situation, we can separate everything into two sides:
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your side
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the other party’s side
Within each side, there are two types of things that can be affected:
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people
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property
When combined, these create the four main areas of coverage.
(The sections shown above represent categories of risk, not equal importance, limits, or cost. The amount of coverage selected within each category can vary significantly.)
You
This area provides protection for you and your passengers if you are injured in an accident.
Your Car
This area provides protection for your vehicle, covering damage from collisions and other covered events.
Other People
This area provides protection for individuals injured in an accident you cause. This may include other drivers, passengers, cyclists, or pedestrians.
Other Property
This area provides protection for property you damage in an accident you cause. This may include other vehicles, buildings, and public property such as light poles or fire hydrants.
Together, these four areas form the coverage framework used throughout this guide.
Now that we’ve identified the areas of protection, the next step is understanding the types of coverage that apply within each area.
Types of Coverage
Each coverage area includes specific types of protection. These coverage types help protect against different kinds of financial loss. The diagram below shows the general types of costs associated with each area.
Now let’s look at some of the most common coverage types and where they fit within this framework.
Personal Injury Protection (PIP)
Helps cover injuries to you and your passengers regardless of who caused the accident. Depending on the state, it may also cover lost wages and other expenses.
Medical Payments (MedPay)
Helps cover medical expenses for you and your passengers after an accident, regardless of who caused it.
Collision (Coll)
Helps cover damage to your car resulting from a collision with another vehicle, object, or from events such as a rollover.
Comprehensive (Comp)
Helps cover damage to your car that is not caused by a collision. This may include theft, fire, vandalism, falling objects, weather events, or contact with animals.
Bodily Injury Liability (BIL)
Helps cover injuries to other people if you cause an accident.
Property Damage Liability (PDL)
Helps cover damage you cause to other people’s property, including vehicles and structures.
When shopping for auto insurance, you’ll commonly see Bodily Injury Liability (BIL) and Property Damage Liability (PDL) grouped together as "Liability Coverage".
A note about "Full Coverage".
You may hear the term "full coverage" when shopping for auto insurance.
Full coverage is not a specific type of insurance. Instead, it is a commonly used term that generally refers to a policy that includes:
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Liability Coverage
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Collision Coverage
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Comprehensive Coverage
Because the term is not formally defined, the exact protections included can vary. For that reason, it is usually more helpful to focus on the individual coverage types included in a policy rather than the label itself.
Coverage types, requirements, and availability can vary by state and insurer.
Together, these coverage types form the building blocks of your policy
These are some of the most common coverage types. Additional types may be available depending on your state and insurer. You can review our Coverage Type List to see the common types of coverage available.
Coverage Limits
Many coverage types have a limit—the maximum amount the insurance company will pay for a covered loss.
Some limits are selected when you buy the policy, while others are determined differently.
There are two main ways these limits are structured:
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limits you can choose
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limits that are determined for you
We’ll start with the ones you can control.
For these, there are two common formats: single limits and split limits.
Single Limit
A single limit sets one maximum amount the insurance company will pay for a specific type of coverage per accident.
For example, if you have Property Damage Liability coverage with a $15,000 limit, this means the insurance company will pay up to $15,000 for damage you cause to other people’s property in a single accident.
The single-limit structure is straightforward: one coverage type, one maximum payout per accident.
Split Limits
Split limits set separate maximum amounts for different parts of a claim.
They are most commonly used with Bodily Injury Liability coverage and are typically shown as two numbers:
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a limit per person
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a limit per accident
For example, a policy might show limits of $25,000 per person and $50,000 per accident.
The first number is the maximum amount the insurance company will pay for injuries to any one person.
The second number is the maximum total amount the company will pay for all injuries combined in a single accident.
Let’s walk through an example to see how these limits work in practice.
Let's say four people in another vehicle are injured in an accident you caused. One person's covered injury claim is $30,000. The other three each have covered injury claims of $5,000. The total comes to $45,000.
Even though the total is below the $50,000 per-accident limit, the insurance company will not pay the full $45,000.
This is because of the $25,000 per-person limit.
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The first person’s $30,000 bill exceeds the per-person limit, so only $25,000 is covered.
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The other three individuals each have $5,000 in expenses, which are fully covered.
This brings the total payout to $40,000.
Now let’s look at a different scenario.
Let's say four people are injured in another accident you caused, and each person has covered injury claims of $15,000. The total comes to $60,000.
In this case, each individual claim is below the $25,000 per-person limit, but the combined claims exceed the $50,000 per-accident limit. The insurance company would pay no more than $50,000 total for the covered bodily injury claims.
This illustrates how single limits and split limits are structured.
Coverage Without a Selected Limit
Not every coverage type uses a limit that you select.
For Collision and Comprehensive, you typically choose a deductible rather than a fixed coverage limit. If your car is totaled, the insurer generally pays its actual cash value, subject to your policy.
Unlike liability coverages, where you choose a fixed dollar limit, these coverages are tied to what your car is worth at the time of the loss.
Because your vehicle’s value changes over time (typically decreasing due to depreciation), there is no fixed limit shown in the same way as other coverage types.
If your car is totaled, the insurer generally pays its actual cash value, subject to your policy.
Instead of selecting a limit, you will typically choose a deductible for these coverages.
The deductible is what you are responsible for paying before the insurance company covers the remaining cost.
Deductibles
Collision and Comprehensive coverage use what is called a deductible.
A deductible is the amount of a covered loss you are responsible for before the insurance company pays its share.
In simple terms, you share part of the cost before the insurance coverage applies.
In a straightforward scenario, you might expect that if your car is damaged, the insurance company would simply pay to fix it. However, the deductible is applied before the insurance company pays its share.
For example, if you have a $500 deductible and your car is damaged in an accident resulting in $1,200 in repair costs:
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You pay the first $500
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The insurance company pays the remaining $700
If the total cost of repairs is less than your deductible, then the insurance company does not pay anything.
For example, if the covered damage totals $400 and your deductible is $500, the insurer would not make a payment on that damage claim.
A claim is the formal process of reporting damage to your insurance company and requesting payment for a covered loss.
For collision and comprehensive coverage, the deductible generally applies to each covered loss.
You can choose your deductible amount.
In general:
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higher deductibles result in lower premiums
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lower deductibles result in higher premiums
This is because you are taking on more or less of the financial risk.
When purchasing Collision and Comprehensive coverage, instead of seeing a typical limit amount listed after the coverage type, you’ll see the deductible amount.
This gives you a clearer view of how common coverage types are structured.
Together, these four areas—and the coverage types and limits within them—form the coverage framework used throughout this guide. This diagram is also referred to as your coverage chart.
Now that you understand how coverage is structured, the next step is understanding how it works in practice.
At-Fault and No-Fault Systems
States generally use an at-fault or no-fault system to determine how certain accident-related claims are handled.
At-Fault Auto Insurance
In an at-fault system, the driver who caused the accident can be financially responsible for injuries and property damage suffered by others. Liability insurance helps cover those costs.
Most U.S. states follow this system. Under this structure, liability coverage plays a central role, as it protects you if you cause harm to other people or their property.
No-Fault Auto Insurance
In a no-fault system, your own insurance generally pays certain injury-related expenses regardless of who caused the accident.
However, fault is not entirely removed. In more serious situations, or depending on state rules, fault may still determine whether additional claims or legal action are allowed.
Why This Matters:
Understanding which system your state follows helps you interpret how your coverage works in practice. It affects how claims are paid, what protections are most important, and why certain coverages may be required.
State Minimum Coverage Requirements
In most states, auto insurance is required by law. If it is required where you live, there is also a minimum amount of coverage you must carry.
These minimum requirements are set by the state and typically define:
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the types of coverage you must have
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the minimum limits for those coverages
The exact requirements vary by state.
Before viewing the list below, it’s important to understand how to read the visual format used in the state breakdowns:
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Mandatory coverage, is shown inside a solid-colored area with the coverage name highlighted in bold white text. This means it is legally required in that state.
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Must be offered / can be declined coverage is shown in lighter grey text. This means the insurer must offer it, but you may choose to decline it. While not technically part of the mandatory state minimum, these coverages are included in the illustration because you will see them when shopping for auto insurance.
This system is designed to let you quickly see the minimum coverage requirements in your state.
Below is a list of all states. Select your state to view its minimum coverage requirements.
State Minimum List
(Minimum coverage requirements and certain coverages that can be declined vary by state and may change over time. Some coverages may require a written rejection. Last reviewed: May 2026. Always verify requirements with your state or insurance provider.)
You should also review the Coverage Type List to understand the different types of coverage available for each area. Although coverage for a particular area may not be required in your state, it is helpful to be aware of the available protection in case you decide to add it.
Meeting your state's minimum coverage requirements helps satisfy the legal insurance requirement, but it does not necessarily mean you are adequately protected.
In many cases, the minimum required coverage may not be enough to fully cover the cost of a serious accident.
Choosing Your Coverage Amounts
Now that you understand how coverage is structured and the minimum required in your state, the next step is deciding how much coverage you actually need beyond that baseline.
This is one of the most important decisions you will make when selecting an auto insurance policy.
To help guide that decision, we start by looking at what is at risk in each area of coverage.
For the area that protects you, what’s at stake is your health and the well-being of your passengers. Without adequate coverage, medical treatment may become a financial burden.
For your vehicle, what’s at stake is your mobility. If your car is damaged or totaled, your ability to carry out daily responsibilities may be affected.
For the areas that protect others (liability coverage), what’s at stake is your financial stability. You are responsible for damages you cause to other people and their property. Without sufficient coverage, these costs may need to be paid out of your own assets.
Understanding what is at risk allows you to make more informed decisions about how much protection you need in each area.
Next, we look at a common coverage benchmark. There is no single coverage amount that is right for everyone. The benchmarks below provide a useful reference point when considering how much coverage you may want.
This is only a starting point. Your needs may be higher or lower depending on your situation, finances, vehicle, and comfort with risk.
There is no exact formula for choosing coverage amounts.
The severity of future accidents cannot be predicted, and no one can determine the exact level of protection you will need.
Because of this, the goal is not to find a perfect number, but to make an informed decision based on what you want to protect and what you can afford.
Building Your Coverage
To choose your coverage amounts, we’ll walk through a simple step-by-step process.
The goal is to build a coverage structure that reflects what matters most to you and provides a level of protection you are comfortable with. Open or print out a copy of the Blank Coverage Chart.
Step 1: Start with Required Coverage
Begin by identifying the coverage types required in your state. These are the ones you must include in your policy to remain legally compliant.
Use your state’s minimum requirements as a reference and make sure these coverage types are included in your plan.
Step 2: Consider Other Common Coverage
Next, consider whether there are other common coverage types you would like to include.
These can provide valuable protection depending on your situation. Review the common coverage types and select any that you feel are important to you.
At this point, you should have a list of the coverage types you want included in your policy.
Step 3: Choose Your Coverage Limits
Now, determine how much protection you want for each coverage type.
When choosing limits, focus on the two main areas of risk:
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protection for people
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protection for property
For injury-related coverage, consider how quickly medical costs and other injury-related expenses can grow, especially when several people are involved.
For property, consider the potential cost of repairing or replacing your vehicle and the property of others.
The goal is not to predict the exact cost of a future accident, but to choose limits that provide a reasonable level of protection based on your situation.
Once completed, you will have a personalized coverage structure that reflects your needs and priorities.
This becomes your personal coverage blueprint.
Extra Coverage
In addition to the coverage types you have selected, other coverages can be added for extra protection.
These coverages can provide additional protection depending on your situation.
Below are some of the most common optional coverage types:
Rental Reimbursement
Covers a portion of the cost of a rental car while your vehicle is being repaired due to a covered loss. Policies typically include daily and total limits. Availability and structure may vary by state and insurer.
Towing Coverage (Roadside Assistance)
Covers certain costs if your vehicle becomes disabled. This may include towing, lockout assistance, or other roadside services.
Guaranteed Asset Protection (GAP) Insurance
Helps cover the difference between what you owe on your vehicle and its actual cash value if it is totaled. This is most relevant for vehicles with loans or leases.
Umbrella / Excess Liability Coverage
Provides additional liability protection above the limits of certain underlying policies. It may be worth considering if you want protection beyond the liability limits available on your auto policy.
These are some of the most common optional coverages, but others may be available. Coverage names and details can vary by insurance company, even when the protection offered is similar.
Adding extra coverage will typically increase your premium, so consider the value of each option before including it in your policy.
Common Mistakes (FYI)
Before moving forward, it’s worth pointing out a few common mistakes people make when choosing coverage. Being aware of these can help you avoid costly decisions and better understand how to approach your options.
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Choosing minimum coverage only based on price (priority mistake)
A common mistake when choosing coverage is focusing only on price and selecting the minimum required amounts without considering what is actually at risk. While minimum coverage may reduce cost upfront, it may not provide enough protection in more serious situations. The goal is to find a balance between affordability and meaningful protection.
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Not understanding deductibles (mechanics mistake)
Some people choose higher deductibles to lower their premium without fully considering whether they can afford to pay that amount out-of-pocket when needed. Choose a deductible you could realistically afford to pay if a covered loss occurs.
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Assuming “full coverage” means everything (definition mistake)
The term “full coverage” is commonly used but has no fixed definition. It typically includes a combination of coverages, but it does not mean every situation is covered. Always review your actual coverage types and limits to understand what is and isn’t protected.
That concludes this section on coverage.
At this point, you should have a clear understanding of how coverage is structured, how it is applied, and how to choose an amount that fits your needs.
You’ve seen how coverage is built around different areas of risk, how specific coverage types provide protection within those areas, and how limits and deductibles determine the level of protection you receive.
With this foundation in place, the next step is to understand how pricing works.
In the next section, we’ll break down the factors that affect the cost of auto insurance and show you how to evaluate and compare different offers.