Start with what your state requires, then decide what else you need
Every state requires a minimum amount of liability insurance — the coverage that pays for damage you cause to someone else's car, property, or body. That minimum varies by state: some require $25,000 per person and $50,000 per accident, others require more. You can find your state's requirement by searching "[your state] minimum car insurance" or calling your state's insurance commissioner's office.
Liability is the floor, not the ceiling. Most people carry more than the minimum because a serious accident can cost far more than the state minimum covers. If you cause a crash that injures someone badly or totals an expensive car, you could be sued for the difference. After you know your state's minimum, you decide whether to stay there or go higher — and whether to add collision (covers your car if you hit something), comprehensive (covers theft, weather, vandalism), and uninsured motorist (covers you if hit by someone without insurance).
Key Takeaways
- Your state sets a minimum liability requirement; you can find it by searching your state's name plus "minimum car insurance" or calling your state insurance commissioner.
- Liability alone protects the other person — collision and comprehensive protect your own car, and you only need them if your car is worth protecting or you have a loan on it.
- Deductibles (the amount you pay out of pocket before insurance kicks in) directly affect your premium — higher deductible means lower monthly cost, but you pay more when you claim.
- Get quotes from at least three insurers using the same coverage levels so you can actually compare prices, not just numbers.
- Bundling home and auto insurance, paying in full instead of monthly, and maintaining a clean driving record all lower your premium, but the savings vary by company.
Decide whether you need collision and comprehensive coverage
If you own your car outright and it is old or worth very little, collision and comprehensive may cost more than they save you. A $500 deductible on a $3,000 car means you are paying for repairs out of pocket unless the damage exceeds $500 — and your monthly premium for that coverage might be $40 or $50. Over a year, you could pay $480 to $600 for coverage that only helps if you have a major accident.
If you have a loan or lease on your car, your lender requires collision and comprehensive. If you own the car free and clear, the choice is yours. A practical rule: if the car is worth less than ten times the deductible, collision and comprehensive are probably not worth the cost. If the car is newer or worth more, they usually are.
Uninsured motorist coverage is separate from collision and comprehensive. It covers you if someone without insurance hits you and causes injury or damage. Most states require it or let you decline it in writing. It is usually cheap — $10 to $20 a month — and protects you against a real risk, so most people keep it.
Choose a deductible that matches your emergency fund
A deductible is the amount you pay out of pocket when you file a claim. Common deductibles are $250, $500, $1,000, and $2,500. A higher deductible lowers your monthly premium; a lower deductible raises it. The trade-off is simple: you save money each month but pay more if you have an accident.
Pick a deductible you can actually afford to pay. If you have $500 in savings and choose a $1,000 deductible, you cannot file a claim without going into debt. If you have $5,000 in emergency savings, a $1,000 deductible is reasonable. If you have $10,000 or more, a $2,500 deductible can save you real money over time.
Some people use different deductibles for collision and comprehensive. You might choose a $500 deductible for collision (which you are more likely to use) and a $1,000 deductible for comprehensive (which is rarer). Ask each insurer what combinations they allow.
Get quotes from at least three companies using identical coverage
Insurance prices vary wildly between companies for the same driver and the same car. One insurer might quote you $1,200 a year; another might quote $1,800. The only way to know which is cheaper is to ask them all the same question.
Pick your coverage first: your state's minimum liability, plus or minus collision and comprehensive, plus or minus uninsured motorist, and a specific deductible. Then get quotes from at least three major insurers. Use the same coverage details for each quote. Write down the company name, the coverage limits, the deductible, and the annual or monthly premium. When you compare them side by side, the cheapest option becomes obvious.
You can get quotes online, by phone, or through an independent agent who represents multiple companies. Online quotes are usually faster. Phone quotes let you ask questions. Independent agents can sometimes find discounts you would not find on your own, but they work for commission, so they have a financial reason to steer you toward certain companies.
Look for discounts that actually apply to you
Insurance companies offer dozens of discounts, but most do not apply to most people. Common ones include bundling (home and auto together), paying in full instead of monthly, maintaining a clean driving record, completing a defensive driving course, and having safety features on your car. Some insurers offer discounts for low mileage, good grades (if you are a student), or being a long-term customer.
Ask each insurer which discounts you actually may have access to for before you commit. A $50-a-month discount for bundling is real money; a $2-a-month discount for having an anti-theft device is not. Some companies advertise discounts heavily but apply them to a smaller group than you might think. The quote should reflect the discounts you actually get, not the ones that sound good.
Bundling home and auto insurance with the same company usually saves 10 to 20 percent on your auto premium, though this varies by insurer and by state. If you are shopping for homeowners insurance anyway, getting a quote for both together can be worth your time.
Understand what happens after you pick a company
Once you choose an insurer and buy a policy, you receive a policy document that lists your coverage, your deductibles, your premium, and the renewal date. Keep this document and your proof of insurance card in your car. If you are pulled over or in an accident, you will need to show proof of insurance.
Your premium is usually due monthly or annually. If you pay monthly, the total cost is higher because the insurer charges a small fee for the payment plan. If you pay in full once a year, you save that fee. Some insurers offer autopay discounts if you set up automatic monthly payments from your bank account.
Your policy renews every six to twelve months (depending on the company). Before renewal, the insurer sends you a notice with your new premium. This is a good time to shop around again — your rate may have gone up, or a competitor may now be cheaper. You are not locked in. You can switch insurers anytime, though it is usually cleanest to switch on your renewal date so there is no gap in coverage.
Know what to do if your circumstances change
Tell your insurer if you move, change jobs, add a driver to your policy, buy a different car, or have a major life change. Some changes lower your premium (moving to a safer area, adding a low-mileage driver); others raise it (adding a teenage driver, moving to a city). The insurer will not know unless you tell them, and driving without accurate information on your policy can cause claims to be denied.
If you get a ticket or have an accident, your premium will likely go up at your next renewal. How much depends on the severity and your insurer's rules. A minor speeding ticket might raise your rate 10 to 15 percent; an at-fault accident might raise it 20 to 40 percent. Some insurers forgive one accident or ticket if you have been with them for several years. Ask about this when you are shopping.
Frequently Asked Questions
Do I need to buy insurance before I drive the car off the lot?
Yes. In every state, you must have insurance before you drive. If you are buying from a dealer, you can often buy a temporary policy online or by phone before you leave. If you are buying from a private seller, get insurance in place before you take the keys. Driving without insurance is illegal and can result in fines, license suspension, and liability for any damage you cause.
What is the difference between actual cash value and agreed value?
Actual cash value is what your car is worth today, minus depreciation. If your car is totaled, the insurer pays what it could sell for used, not what you paid for it. Agreed value means you and the insurer agree on a value upfront, usually for classic or collectible cars. Most people have actual cash value coverage. Agreed value is more expensive and only makes sense if you own a car that is not losing value the way normal cars do.
Can I get a lower rate if I take a defensive driving course?
Many insurers offer a small discount — usually $5 to $15 a month — if you complete an approved defensive driving course. The discount varies by company and state. Some insurers require the course to be taken in person; others accept online courses. Ask your insurer whether they offer this discount and what course they recognize before you pay for one.
What happens if I let my insurance lapse?
If your policy expires and you do not renew, you are uninsured. Driving uninsured is illegal in every state. If you are pulled over or in an accident, you face fines, license suspension, and personal liability for any damage. If you cannot afford your current premium, contact your insurer about payment plans or ask about lower-coverage options. Do not simply stop paying.
Should I use an independent agent or buy directly from an insurer?
Independent agents represent multiple insurers and can show you options from several companies in one conversation. Direct insurers (like those you reach by phone or website) represent only themselves. Independent agents can be faster if you want to compare options; direct insurers can be faster if you already know which company you want. Both charge the same price for the same policy — the agent's commission comes from the insurer, not from you.