Auto & home · Guide
Liability car insurance explained: what it covers and why it is required
6 min readBy the Goodsurance editorial team Reviewed by the Goodsurance editorial team
Liability car insurance pays for the injuries and property damage you cause to other people in an accident you are responsible for. It is the core of almost every auto policy and the part that nearly every state requires you to carry. What it does not do is pay to repair your own car or treat your own injuries, and understanding that line is the key to knowing whether you have enough coverage.
What liability car insurance is
The short version
- Liability coverage pays for harm you cause to others, not to yourself or your own car.
- It has two parts: bodily injury liability and property damage liability.
- Most states require it, and each sets its own minimum limits.
- State minimums are often lower than what a serious accident actually costs.
Liability car insurance is the foundation of an auto policy. When you are at fault in a crash, it responds to the claims of the other people involved, covering their medical bills and the cost to repair or replace their property, up to the limits you chose. It also generally pays for your legal defense if you are sued over the accident.
The important thing to hold onto is direction. Liability faces outward. It protects other people from you, and it protects your finances from their claims. It does nothing for your own vehicle or your own injuries, which are handled by other coverages.
In short: liability car insurance covers the injuries and damage you cause to others, it is required in most states, and it does not cover your own car or injuries.
The two parts of liability coverage
Liability is split into two pieces, and policies usually list them as separate limits.
- Bodily injury liability. This pays for the medical costs, lost income, and related expenses of people you injure in an at-fault accident. It can also cover your legal defense if those people sue.
- Property damage liability. This pays to repair or replace property you damage, most often another vehicle, but also things like fences, mailboxes, storefronts, or utility poles.
You will often see three numbers describing these limits, such as a per-person bodily injury limit, a per-accident bodily injury limit, and a property damage limit. The per-person figure caps what the policy pays for any one injured person, while the per-accident figure caps the total across everyone hurt in the same crash. When damages run past those caps, you can be personally responsible for the rest.
In short: bodily injury liability covers people you hurt and property damage liability covers property you damage, each capped by the limits you select.
Why it is required
Nearly every state requires drivers to carry at least a minimum amount of liability coverage, and the reason is straightforward. Driving creates risk for everyone else on the road, and the requirement makes sure that a driver who causes harm has a way to pay for it rather than leaving victims with nothing.
Each state sets its own minimums, and they are typically expressed as those three numbers described above. It is worth knowing two things about them:
- Minimums are a floor, not a recommendation. They represent the least the law will accept, not the amount that would actually protect you in a serious crash.
- Requirements vary by state. A few states use different systems, and some let you satisfy the requirement in other ways. Your state department of insurance is the authoritative source for local rules.
If a judgment against you exceeds your liability limits, your personal assets and future income can be exposed, which is why many drivers carry more than the minimum.
In short: states require liability coverage so at-fault drivers can pay for the harm they cause, but the legal minimum is a floor that a serious accident can easily exceed.
What liability does not cover
This is where many drivers discover a gap after the fact. Liability coverage does not pay for:
- Your own vehicle. Damage to your car in an at-fault accident is covered by collision coverage, which is separate and optional in most states.
- Your own injuries. Your medical costs are handled by coverages like medical payments or personal injury protection, and by your health insurance.
- Theft, fire, weather, or hitting an animal. These non-collision events fall under comprehensive coverage.
- Damage from an uninsured driver who hits you. That is the role of uninsured and underinsured motorist coverage.
A policy that carries only state-minimum liability leaves all of these to you. If you want protection for your own car and yourself, you build it by adding those other coverages. To figure out the right combination for your situation, please contact us to discuss your options.
In short: liability ignores your own car and injuries, so collision, comprehensive, medical, and uninsured motorist coverages exist to fill those gaps.
How much liability to carry
Choosing a limit is really a question about how much of your own money you want to shield. If you cause a serious accident and the costs exceed your coverage, the difference can come out of your assets and future earnings.
A few principles help:
- Look past the state minimum. Medical and repair costs from a bad crash can climb well beyond typical minimum limits.
- Consider what you have to protect. The more assets and income you have, the more a large judgment could take, and the more coverage tends to make sense.
- Think about an umbrella policy. If you need liability protection above what an auto policy offers, a personal umbrella policy can add a layer on top.
- Match limits across vehicles and drivers. Households with several cars or young drivers often face higher exposure.
Because the right limit depends on your assets, your income, and your tolerance for risk, please contact us to discuss your options.
In short: carry more than the minimum when you have assets or income to protect, and consider an umbrella policy for an extra layer above your auto limits.
Common questions about IRMAA appeals
Quick answers, fast .
Tap any question to expand. Each links to a fuller standalone answer.
Does liability insurance pay to fix my own car?
No. Liability covers damage you cause to others. Repairs to your own vehicle after an at-fault accident are covered by collision coverage, which is separate.
Is the state minimum enough liability coverage?
Often not. Minimums are the least the law allows, and a serious accident can cost far more. If damages exceed your limits, you can be personally responsible for the rest.
What are the three numbers in a liability limit?
They usually represent the bodily injury limit per person, the bodily injury limit per accident, and the property damage limit. The per-accident figure caps the total paid across everyone injured in one crash.
References
- What is covered by a basic auto insurance policy?Insurance Information Institute overview of auto coverages, including bodily injury and property damage liability.
- Auto insuranceNAIC consumer guide to auto insurance coverages and state requirements.