Start with what your state requires, then add what protects your finances

Every state sets a minimum amount of liability insurance you must carry — this pays for damage or injury you cause to someone else. Those minimums are low, often $25,000 to $50,000 per person. But if you cause a serious accident, those limits run out fast, and you become personally responsible for the rest. The real decision is whether to stop at the state minimum or buy more.

If you own your car outright, you choose what else to buy. If you have a loan or lease, your lender requires collision and comprehensive coverage — these pay to fix or replace your own car after an accident or theft. Once you own it free and clear, those become optional. Most people keep them anyway, because a major accident can total a car worth thousands.

The core choice is this: how much of a financial hit can you actually absorb? If a $5,000 repair would strain you, you need collision coverage. If losing your car entirely would force you to borrow money, you need it. If you have savings set aside, you might skip it and self-insure.

Key Takeaways

  • Your state sets a liability minimum you must carry; most financial advisors recommend buying at least double that amount to protect yourself in a serious accident.
  • Collision and comprehensive coverage are required by lenders but optional once you own your car outright — the choice depends on whether you can afford to replace it.
  • Your deductible (the amount you pay out of pocket per claim) directly affects your premium; raising it from $500 to $1,000 typically lowers your monthly cost by 10 to 15 percent.
  • Discounts for bundling home and auto, maintaining a clean driving record, and completing a defensive driving course can reduce your total cost by 20 to 40 percent.
  • Getting quotes from at least three insurers takes 15 to 30 minutes and often reveals price differences of $300 to $800 per year for the same coverage.

Understand the four main types of coverage

Liability covers injuries and property damage you cause. It has two numbers: per-person and per-accident. A $100,000/$300,000 policy means the insurer pays up to $100,000 for one person's injuries and up to $300,000 total per accident. Most states require $25,000/$50,000 or $30,000/$60,000. Financial advisors often suggest $100,000/$300,000 or higher, especially if you have assets to protect.

Collision pays to repair or replace your car after you hit something — another car, a tree, a guardrail — regardless of who is at fault. It does not cover wear and tear or mechanical failure. You choose a deductible, typically $250, $500, $750, or $1,000. The higher your deductible, the lower your premium.

Comprehensive covers damage from events outside your control: theft, weather, vandalism, hitting an animal. It also has a deductible. Many people choose a lower deductible for comprehensive ($250) and a higher one for collision ($1,000), since comprehensive claims are less frequent.

Uninsured and underinsured motorist coverage protects you if the other driver caused the accident but has no insurance or not enough. It covers your medical bills and car damage up to your policy limits. Some states require it; others make it optional. It is usually inexpensive and worth carrying.

Choose a deductible that matches your emergency fund

Your deductible is the amount you pay before insurance kicks in. A $500 deductible means you pay $500 toward repairs; the insurer pays the rest. A $1,000 deductible means you pay $1,000. Raising your deductible lowers your monthly premium because the insurer's risk goes down.

The math is straightforward: if you raise your deductible from $500 to $1,000, you might save $10 to $20 per month. Over a year, that is $120 to $240. But if you have an accident and cannot pay $1,000 out of pocket, you cannot file the claim. Pick a deductible you can actually afford to pay on short notice.

A common approach: keep a $500 or $750 deductible if you have less than $2,000 in savings, and move to $1,000 or $1,500 if you have a solid emergency fund. The goal is to lower your premium without creating a new financial crisis if you need to use the insurance.

Compare quotes from at least three insurers

Insurance rates vary widely between companies for identical coverage. One insurer might charge $1,200 per year for a 35-year-old driver with a clean record; another charges $1,500 for the same person. These differences persist year after year, so shopping around is not a one-time task.

Get quotes from at least three major insurers — State Farm, Geico, Progressive, Allstate, USAA (if you are military or a veteran), and regional carriers in your state. Most offer online quote tools that take 10 to 15 minutes. Use the same coverage limits and deductibles across all quotes so you are comparing apples to apples.

Write down the total annual premium, not just the monthly payment. A quote that looks cheap per month might have a high annual cost. Also note any discounts the insurer mentions — bundling, safe driver, low mileage — because these change the real price you pay.

Look for discounts that actually apply to you

Bundling home and auto insurance with the same company typically saves 15 to 25 percent on your auto policy. If you rent, bundling renters and auto insurance still qualifies. This is often the single largest discount available.

A clean driving record — no accidents or violations in the past three to five years — qualifies you for a safe driver discount, usually 5 to 10 percent. Some insurers offer usage-based programs where they monitor your driving via an app; safe drivers get 10 to 30 percent off. These programs work if you actually drive safely; they do not work if you speed or brake hard regularly.

Completing a defensive driving course (often available online for $20 to $50) can earn a 5 to 10 percent discount that lasts three years. Low mileage discounts apply if you drive fewer than 7,500 or 10,000 miles per year. Paying your premium in full upfront instead of monthly sometimes saves 5 percent.

Ask each insurer which discounts you may have access to for before finalizing a quote. A discount you do not know about does not help you.

Decide whether to raise liability limits beyond the state minimum

State minimums exist because they are cheap to mandate, not because they are adequate. If you cause an accident that injures two people and damages property, $25,000 per person disappears in medical bills alone. The injured parties can sue you personally for the rest, and they can garnish your wages or place a lien on your home.

Most financial advisors recommend carrying at least $100,000 per person and $300,000 per accident. If you have significant assets — a home, savings, investments — consider $250,000 per person and $500,000 per accident. The premium difference between $50,000 and $100,000 in liability is usually $10 to $30 per year, making it one of the cheapest upgrades you can buy.

If you cause a serious accident and your liability limit is too low, you are personally on the hook for the difference. That is a financial risk most people should not take.

Review your coverage every year or after major life changes

Insurance needs change. If you pay off your car loan, you can drop collision and comprehensive if you choose. If you move to a state with higher minimum requirements, you need to update your policy. If you get married, have a child, or buy a home, your liability exposure increases, and you might want higher limits.

Set a reminder to shop for quotes once a year. Insurers raise rates regularly, and a company that was cheapest last year might not be this year. Loyalty does not pay in auto insurance; switching can save hundreds annually. Also review your coverage after any accident or violation, because your rates will change and you may want to adjust your deductible or limits.

Frequently Asked Questions

What is the difference between liability and collision coverage?

Liability pays for damage or injury you cause to someone else. Collision pays to fix your own car after an accident you are in, regardless of fault. If you hit another car, your liability covers their damage; your collision covers yours.

Can I skip collision and comprehensive if my car is paid off?

Yes, legally you can. But if your car is damaged or totaled, you pay for repairs or replacement yourself. If you could not afford to replace your car, you should keep these coverages. If you have savings set aside, you might skip them and self-insure.

How much liability coverage do I actually need?

Your state sets a minimum, but that is usually too low. Most advisors recommend at least $100,000 per person and $300,000 per accident. If you have a home or significant savings, consider $250,000 per person and $500,000 per accident. The premium increase is usually small.

Do I have to accept the first quote I get?

No. Get quotes from at least three insurers using identical coverage and deductibles. Rates vary widely, and shopping around often reveals savings of $300 to $800 per year. This takes 30 to 45 minutes and is worth the time.

What happens if I raise my deductible to save money but then cannot pay it?

You cannot file the claim. Choose a deductible you can actually afford to pay out of pocket. If you do not have $1,000 in emergency savings, a $500 or $750 deductible is safer, even if the premium is slightly higher.