How Often Should You Compare Car Insurance?

Last Updated on October 17, 2026
Written by licensed insurance agent Andy walker

Reviewed by the Alias Insurance editorial team.

Compare car insurance every 6 to 12 months, ideally before your policy renews. Shop sooner if your rate rises, you move, buy a car, add a driver, or change how much you drive. Compare the same coverage across at least three insurers before you decide whether to switch.

Use this as a guide. It is not a legal rule. The National Association of Insurance Commissioners, or NAIC, suggests an annual policy check. Check each time you renew. You can spot changes in price or coverage.

Aim to start about three to four weeks before your policy ends. This gives you time to plan. It does not promise cheaper rates. It gives you time to check quotes, ask questions, and set up new coverage if needed.

You do not need to change companies each time you shop. Your insurer may still be a good fit. Weigh its price, coverage, and service. A useful comparison can confirm that staying makes sense.

The goal is to find a fair price for the protection you need. Check what a smaller bill leaves out. Can you pay the deductible? Does the policy list each driver who uses your car?

Should you compare quotes every six months or once a year?

Use your renewal date as the main reminder. For a policy that lasts six months, check quotes twice a year. For a policy that lasts a year, compare once before you renew.

Check sooner if your needs or budget change. You do not need to fill out quote forms each month just to follow a schedule.

Your situation	Suggested time to compare	Main question to ask
Policy lasts six months	Before each renewal	Has the total price changed?
Policy lasts one year	Before annual renewal	Does this coverage still fit?
Renewal price rises	When the notice arrives	What caused the increase?
You plan to buy a car	Before you commit to buying	What will this exact car cost to insure?
You move or add a driver	Before the change, when possible	What details need an update?
You retire or drive less	When your driving pattern changes	Does the quote use my new mileage?

Set a reminder for 30 days before renewal. Keep your current policy summary and last bill in the same folder. Read the new offer when it arrives. Compare it with your old price and fresh quotes.

If your notice arrives later, use the time available. Do not let the policy expire while you wait for a better offer.

Why compare if you have had no accidents?

A clean record does not freeze your insurance price. The NAIC explains that insurers set premiums based on expected claim costs. Your vehicle, location, annual mileage, chosen limits, and other permitted factors can affect the price. Laws limit which factors insurers may use.

Ask your insurer to explain a higher renewal bill. Then get quotes using your current details. Use those quotes to judge the cost. A neighbor’s rate or an ad may not fit your needs.

Shopping is common. J.D. Power’s 2025 U.S. Insurance Shopping Study reported that 57% of auto insurance customers had shopped for a new policy in the prior year, up from 49% in its previous study. That is evidence of shopping activity, not proof that each shopper saved money.

Your own quotes matter more than a national average. Two people on the same street may drive different cars, choose different limits, and have different claim histories.

For a renewal checklist, see what to check before your car insurance automatically renews.

Which life changes should prompt an earlier comparison?

Treat a change in your car, household, or driving as a reason to review your policy. Shopping does not replace your duty to tell your current insurer about changes required under its terms.

Are you moving or buying a different car?

Plan to move or buy a car? Get quotes first, if you can. Use the new address or the exact car. Use the car’s VIN if you have it. Ask when the new coverage should start.

If you cross state lines, check the new state’s rules with its insurance department or a licensed agent. Do not assume your old limits and policy terms will meet the new requirements.

For a car purchase, add the insurance quote to your loan payment, fuel, and upkeep budget. A car that fits your purchase budget may still cost more each month than you expected.

Are you adding a teen or changing household drivers?

Use the same set of cars and drivers for each quote. Tell the agent who lives with you, who has a license, and who will use each vehicle.

Ask about student discounts and the rules for a child away at college. The Texas insurance department notes that some insurers still require students to stay on the family policy while away at school. Rules depend on the insurer and your needs.

Do not remove a driver just to make a quote look cheaper. Ask the insurer to explain who must be listed and what any exclusion would mean.

Are you retiring, working from home, or driving less?

Check how far you drive each year. For example, a retired driver may no longer make a daily trip to work but may take more long road trips.

Ask for quotes based on the full year’s expected use. Some insurers cut rates for low mileage. Ask if you qualify.

If you start delivery work or paid rides, describe that use before you accept a policy. Ask for proof in writing. Does the policy cover your planned work?

Has your credit or driving record changed?

Where state rules allow it, insurers may use an insurance score based on credit information. That score differs from the score lenders use. Better credit can be a reason to seek fresh quotes, but it does not promise a lower premium.

For an old ticket or claim, ask each insurer how long it affects pricing. Do not assume all companies stop counting it on the same date. Answer each application question based on the period it asks about.

How should different drivers use this schedule?

First time buyers: Compare before the date you need coverage. Ask what proof and payment the insurer needs to put the policy in force. Save the written start date.

Young drivers: Check at renewal and after a change in school, address, car, or driving use. Ask the agent to price all valid discount options.

Drivers with tight budgets: Check the amount due today. Then add later payments and fees to find the full term cost. A low first payment alone does not show whether the policy is affordable.

Drivers with tickets or claims: Use each renewal to ask how the record affects the quote. If you cannot find quotes, ask for help. Find a licensed agent who deals with cases like yours.

Seniors: Review mileage and driver details after retirement. Ask whether an approved driving course could help, and check its cost before you enroll.

Women and other adult drivers: Base the review on actual life changes and renewal terms. Ask for quotes that reflect your own details rather than assuming a broad age or gender group predicts your price.

How do you compare car insurance fairly?

The Insurance Information Institute recommends getting at least three price quotes. Try more than one route. You can ask insurers for quotes or use an agent who sells for several firms. Ask which companies the agent represents.

Start with your current policy summary

Find your declarations page. It lists key coverage details, limits, and deductibles. Start there. Check if those choices still fit your needs.

Prepare these details before asking for prices:

Driver names, license details, and requested driving history.
Vehicle details and where each car is kept.
Annual mileage and the main use of each car.
Current limits, deductibles, and policy dates.
The start date you want for the new policy.

Use the same facts each time. If one quote uses 5,000 miles a year and another uses 15,000, correct the mismatch before judging the price.

Match coverage before comparing cost

Ask each insurer for the same coverage first. Then ask for prices with changes. Keep those quotes apart from the first set. Allstate’s comparison guide stresses matching coverage limits across quotes.

Item to compare	What should match or be checked
Liability	Injury and property damage limits
Damage to your car	Collision and other than collision protection
Deductibles	Your share of a covered claim
Uninsured driver protection	Coverage type and limits
Medical protection	Required or chosen benefits and limits
Rental car benefits	Daily limit, total limit, and covered reasons
Drivers and vehicle use	Listed drivers, mileage, and permitted use
Payment terms	Full cost, fees, and amount due at purchase

Do not rely on a label such as “full coverage.” Ask for the actual coverage list and exclusions. If you have a loan or lease, check the lender’s requirements before reducing protection.

Compare the same length of time

A six month quote and an annual quote need extra care. Divide the total by the number of months. This shows the cost per month for that quote.

For example, $900 for six months equals $150 per month. A $1,740 annual quote equals $145 per month. These are sample costs. They are not rates you can buy.

Doubling the six month quote gives a $1,800 planning estimate for a year. It does not lock in that price for the second six months. Ask about the rate and payment terms that apply to each offer.

Check the company and the final quote

The Texas insurance department recommends checking whether an insurer is licensed and reviewing its complaint record. It also advises keeping your current policy until you have the new policy or written proof of coverage.

Before paying, ask:

Have you checked the driver and claim details used in this price?
Which discounts are included, and what proof do you need?
Could the price change after further checks?
Does this policy exclude any driver or use I described?
What is the exact date and time coverage begins?

Save the answers with the quote. Read consent terms before sharing your phone number on a comparison form, and check who may contact you.

How much savings would make switching worthwhile?

There is no set sum that makes a switch worth it for all drivers. Use the same time period to compare the cost of staying with the cost of moving. Add fees. Check costs on other policies too.

The next example uses made up costs to show the math. It is not a savings forecast.

Cost over the next six months	Stay	Switch
Auto policy	$1,020	$900
Added home policy cost after losing a bundle discount	$0	$60
Cancellation charge	$0	$25
Total compared cost	$1,020	$985

The auto quote looks $120 cheaper. Add the other costs. The savings drops to $35. Is that sum worth the change? Weigh the coverage and service too.

Now check the deductible. If the cheaper policy raises it from $500 to $1,000, you would need another $500 for a claim subject to that deductible. That shifts more risk to you. It is not the same coverage at a lower price.

For help weighing that choice, read how a car insurance deductible works.

Check refunds on premiums you paid in advance too. A refund may pay you back for unused coverage. Do not count it twice when you work out what you would save.

Should you keep your current insurer if the price is close?

Staying can make sense. Ask these questions before giving up a policy you know:

Does it provide benefits missing from the new offer?
Would moving auto coverage change a home or renters discount?
Have you been satisfied with its claim service?
Does the new payment schedule fit your budget?
Are the quoted savings still present after all checks?

The Insurance Information Institute notes that buying several policies from one insurer can bring discounts, but separate insurers may still cost less. Compare both options instead of assuming a bundle always wins.

Call your current insurer with specific questions. Ask it to check mileage, listed drivers, and discount eligibility. Ask for the full new price in writing. Do not assume a competing quote lets the agent change the rate at will.

Write down why you chose to stay or leave. For example: “Stayed because the alternate quote saved $40 but had a higher deductible.” That record will help at your next review.

Can you switch before your policy renews?

You can generally switch during a policy term. Review cancellation terms first. Check fees, refunds, and notice steps. These depend on your insurer, contract, and state rules. Allstate advises checking those terms before changing companies.

Use this sequence:

Confirm the new policy’s price, coverage, and acceptance.
Pay what is needed and obtain written proof of coverage.
Confirm the exact start date and time.
Arrange cancellation of the old policy so there is no gap.
Get written cancellation confirmation and any refund details.
Update your proof of insurance and lender details as needed.

Do not simply stop paying the old bill. Follow the company’s cancellation process and check that automatic payments end correctly.

Use this guide to switch car insurance without a gap when planning the dates.

Frequently Asked Questions

Does comparing car insurance quotes hurt your credit score?

No. Experian says quote checks use soft inquiries. These do not lower your credit scores. That is separate from whether an insurer may use credit information to price a policy under your state’s rules.

Is there a best month to shop for car insurance?

Plan around your own renewal date and life changes. Do not wait for a set month. Start a few weeks early when possible. Use the same desired start date on each quote, and ask how long the offer remains valid.

Should you switch car insurance every six months?

No. Comparing every six months can suit a policy with that renewal cycle, but switching is a separate choice. Change only after checking the final price, coverage, fees, and effects on other policies. Staying may be the better result.

How many car insurance quotes should you get?

Aim for at least three quotes from different insurers, as the Insurance Information Institute recommends. Three quotes for one company do not provide the same range. If several offers do not fit your needs, ask an agent about further options.

Should you compare insurance after paying off your car?

Yes. Review your coverage needs once the loan ends, but do not treat payoff as a reason to remove protection by default. Ask what each coverage costs and consider whether you could afford to repair or replace the car yourself.

What if all the new quotes cost more?

Keep your policy if it still fits your needs and costs less. Check the facts on each quote. Then ask about discounts or ways to pay. Set your next review reminder. You do not need to switch for shopping to be useful.

What should you do at your next renewal?

Compare car insurance every 6 to 12 months and after changes that affect your needs. Start early, match coverage, and judge the full cost. Confirm new coverage before canceling an existing policy.

Bring your current policy details to Alias Insurance when you are ready to explore free quote options. Use the results to ask clear questions, check terms with the insurer or a licensed agent, and choose whether staying or switching fits your budget and coverage needs.

Sources and References

Andy Walker

Andy Walker is a licensed insurance agent with over 12 years of experience helping drivers find affordable auto insurance coverage. He holds active Property & Casualty insurance licenses in Texas, California, and Florida, and has assisted over 3,500 clients in securing budget-friendly car insurance policies.

Tagged Car Insurance