Auto Insurance Liability Limits Explained

The short answer

Auto liability coverage helps pay for injuries or property damage you are legally responsible for after a covered accident, up to the policy limits.

Those limits matter because once a covered loss exceeds them, you may be responsible for amounts above the policy’s protection, subject to the facts of the claim and applicable law.

What split limits mean

Many auto policies show liability limits as three numbers, such as 100/300/100.

That format commonly represents:

• bodily injury limit per person;
• bodily injury limit per accident;
• property damage limit per accident.

The exact policy language controls, so always review the declarations page and coverage form.

State minimums are not the same as recommended limits

Most states require drivers to carry at least a minimum amount of liability coverage, but the National Association of Insurance Commissioners notes that consumers should evaluate their own situation when choosing limits.

A state minimum is a legal floor, not a guarantee that the coverage will be enough for a serious accident.

What to think about when choosing limits

There is no single correct liability limit for everyone. Factors to consider include:

• assets and income you want to protect;
• driving frequency;
• household drivers;
• vehicle use;
• local legal requirements;
• how much additional premium higher limits cost;
• whether an umbrella policy is relevant to your broader liability protection.

The goal is to compare the protection offered, not only the premium.

Why quote comparisons can be misleading

A cheaper quote may simply include lower liability limits.

When comparing carriers, keep the same limits across quotes so the premium comparison is meaningful. NAIC consumer guidance specifically recommends matching liability limits when comparing online auto quotes.

Also compare:

• uninsured/underinsured motorist coverage;
• collision and comprehensive deductibles;
• medical payments or PIP where applicable;
• rental reimbursement;
• roadside assistance;
• exclusions and endorsements.

See Auto Insurance Coverage Guide for the broader coverage framework.

What happens if damages exceed the limit?

The insurer generally pays covered damages up to the applicable policy limit. Amounts above that limit may expose the insured to additional financial responsibility, depending on the claim, settlement, judgment, and state law.

That is why liability-limit selection is a risk-management decision, not only a price decision.

Questions to ask before buying

• What are my bodily injury limits per person and per accident?
• What is my property damage limit?
• Are the same limits shown on every quote I am comparing?
• Does my state require uninsured or underinsured motorist coverage?
• How much does the premium change if I increase liability limits?
• Would an umbrella policy require a minimum underlying auto limit?
• Are any household drivers excluded?

Sources and verification

This guide was reviewed against NAIC consumer guidance, including:

• NAIC — Comparing Online Auto Insurance Quotes

Insurance requirements and policy forms vary by state. Your state insurance department can confirm current legal minimums and licensing information.

Recommended Next Step

Visit the Insurance hub, then compare identical liability limits across quotes before deciding which policy is actually cheaper.