Top 5 Mistakes People Make When Buying Auto Insurance and why they cost you money
You might think the cheapest quote is a win, but that’s one of the Top 5 Mistakes People Make When Buying Auto Insurance. Cheap can mean gaps in coverage, surprise deductibles, or missed discounts. When a crash happens, that bargain can turn into a big out-of-pocket bill and a rate hike that lingers for years.
Another common pitfall is guessing your coverage needs instead of checking the facts. If you drop collision to save a few bucks but owe thousands after an accident, you’ll regret it. Keeping outdated info on your policy—like the wrong address or driver list—can cost discounts or lead to claim denials when you need help most.
Many people also skip comparing more than one insurer or ignore how driving history, car model, and credit affect price. Small changes save big money only if you know where to look. Think of insurance like a toolbox: the right tools protect you; the wrong ones leave you stuck.
Common auto insurance mistakes you can avoid
A huge mistake is buying only the minimum state-required coverage and assuming it will cover everything. If someone sues you after a bad wreck, minimum limits often won’t cover legal costs or medical bills. You’ll be left on the hook for amounts over the policy cap.
Another easy-to-fix error is not asking about discounts. Insurers give breaks for safe driving, low mileage, bundling home and auto, safety features, or being a good student. You’d be surprised how much money sits unused if you don’t ask for every discount you qualify for.
How mistakes buying auto insurance raise your bills
Filing small claims for minor dents can backfire. Every claim flags your record and can hike your premium, so paying small repairs yourself often costs less over time. Likewise, keeping a deductible that’s too low and filing for minor damage signals risk to insurers.
Not updating your policy after life changes is another silent wallet-drainer. Move, marry, add a teen driver, or sell a car and your rates should change. If you don’t report those facts, you may miss cheaper rates or face coverage gaps when you need a claim paid.
Quick checklist to spot these errors
Check your liability limits vs. your assets, compare at least three quotes, list all drivers and vehicles accurately, review discounts line by line, set a deductible you can afford, avoid small claims when possible, and update your policy after major life changes.
Not comparing insurance quotes before you buy
You might think one price is the same as another. It rarely is. Different companies weigh your age, car model, driving record, and postal code differently. If you skip comparison, you could pay hundreds more each year for the same protection.
Skipping quotes is like buying the first pair of shoes you try on and walking out. Small changes—like raising a deductible or dropping rental coverage—can shift a quote a lot. Without checking, you won’t know which levers move your premium.
If you want to avoid one of the Top 5 Mistakes People Make When Buying Auto Insurance, don’t rush past this step.
Why not comparing insurance quotes wastes your money
Prices vary wildly between insurers. Two carriers can charge very different premiums for identical coverages. If you never compare, you can’t find the cheaper option or the carrier that gives better value. Also, some insurers hide discounts unless you ask.
Easy ways you can compare rates and coverages
Start with online comparison tools that show side-by-side quotes. Use the same coverage limits and deductibles for each quote so you compare apples to apples. Call two or three agents too—sometimes agents offer deals not shown online or explain discounts you missed. Write down exact coverages and final prices so you can compare total costs.
Steps to get at least three quotes
Gather vehicle info, driver license numbers, VIN, mileage, and desired coverages. Use an aggregator for a quick batch of quotes, then call two carriers directly—one big name and one local insurer—to confirm details and ask about discounts. Keep limits and deductibles consistent, note exclusions, and check annual and monthly costs.
Choosing wrong coverage limits for your needs
Picking the cheapest policy feels smart at first. But if you pick limits that are too low, a single crash can wipe out your savings. Think of coverage like a safety net: a thin net may catch you, but it might not stop the fall.
Liability pays for others’ injuries and property if you cause a crash. Collision pays to fix your car after a crash. If liability limits are tiny, you could be sued for medical bills. If collision or comprehensive limits are low, you might get a payout far below what you owe on a loan.
Look at your life like a balance sheet—house, savings, retirement, and car loan—to decide how much to protect. Review your limits once a year or after big changes like buying a house, taking a new job, or financing a car.
How wrong coverage limits leave you exposed
Low liability can lead to wage garnishment or a court judgment. Medical bills add up fast. Collision/comprehensive issues arise when a totaled car’s actual cash value is less than your loan balance—without gap insurance, you could still owe the lender.
Simple rules to pick liability and collision limits
Start with limits higher than state minimums and that reflect your net worth. Many choose 100/300/100 as a baseline. Keep full collision if you owe on the car or it’s valuable. Pick a deductible you can afford. If you owe more than the car is worth, add gap coverage.
Match limits to your assets and loan terms
If you own a home, have savings, or earn a solid income, raise liability limits. If you have a car loan or lease, lenders often require full collision and comprehensive and may push for gap insurance. Renters with little saved can accept lower limits, but avoid state minimums if you have any assets to protect.
Ignoring policy exclusions and the fine print
That tiny block called exclusions can cost you a fortune. Exclusions are the not covered lines. Miss them and you might be stuck paying a repair or a claim you thought was covered. This is one of the Top 5 Mistakes People Make When Buying Auto Insurance—yet many skip it like terms and conditions.
Read the declarations page first to see your limits and coverages. Then scan the exclusions list and any examples. If something sounds odd, ask. A small omission can leave you paying thousands or being unable to file a claim.
Think of your policy like a phone plan—know what’s not included before you sign up.
Common exclusions that surprise drivers
Business use is often excluded. If you drive for work or deliver food, a personal policy may refuse claims for those activities. Other surprises include racing, modified parts, wear and tear, and unlisted drivers. Custom parts or lowered cars can be denied if not declared.
How you can read and spot exclusions fast
Scan for headers like “EXCLUSIONS” or “LIMITATIONS,” then read short examples. Flag unfamiliar terms. Use a three-question test for each line: Who? When? Where? Keep a one-page list of priorities—rental car, custom parts, rideshare—and check those first.
Ask your agent to explain exclusions
Ask plain questions and request answers in writing. For example: If I crash while delivering food, will you pay? or Is my stereo covered if stolen? Get direct responses and documentation.
Being underinsured and facing underinsured car risks
Being underinsured means your limits are too low when someone else causes a crash. If the at-fault driver has weak limits, their insurance may not cover all your bills—medical care, car repairs, missed work—leaving the rest to you.
You can avoid that squeeze by checking the likely costs now: hospital stays, typical repair costs for your model, and income protection needs. The phrase Top 5 Mistakes People Make When Buying Auto Insurance often points at being underinsured.
What underinsured car risks mean for you
If hit by someone with low limits, their policy pays first and your bills can exceed that. You may tap your savings or credit cards. Beyond money, there’s stress and time spent on calls, forms, and doctor visits.
Real costs you may face if you lack coverage
Medical bills, towing, rentals, and missed wages add up quickly—sometimes exceeding weak policy limits. Legal fees to pursue additional compensation can cost thousands. The cheapest policy can end up the most expensive choice after a serious crash.
Add underinsured motorist coverage if needed
Talk to your agent about underinsured motorist (UIM) coverage and raise limits where appropriate. UIM is a backup umbrella that helps pay your bills when the at-fault driver’s insurance falls short. The extra premium is often small compared to the protection.
Neglecting discounts and bundling that lower premiums
You can shave a surprising amount off your premium by hunting discounts. Small cuts stack: a safe-driver discount, paperless billing credit, and a bundling deal can together slice hundreds off your annual bill.
Missing discounts is one of the Top 5 Mistakes People Make When Buying Auto Insurance. Agents and websites list dozens of savings, but you have to ask and compare. Life changes—marriage, graduation, anti-theft devices, kids moving out—each can trigger savings.
Actively hunt for savings at renewal and after life changes. Call your agent, log into your insurer’s site, or re-run competitor quotes. Treat each renewal like a quick tune-up for your wallet.
Typical discounts you might miss
Common discounts include good-student, low-mileage or telematics, anti-theft device credits, and defensive-driving course savings. Employers, alumni groups, and professional associations sometimes unlock lower rates. Paying annual premiums in full can also reduce fees.
How bundling home and autos saves money
Bundling auto and home (or renters) with one insurer often lowers both premiums. It can simplify claims handling and billing. But don’t assume bundling is always cheapest—run side-by-side quotes to confirm savings.
Check discounts every policy renewal
Set a calendar alert to review discounts each renewal. Life changes affect premiums. A five-minute check can prevent leaving cash on the table.
Letting your credit score auto insurance impact go unchecked
Your credit score often affects insurance pricing. Ignoring it is one of the Top 5 Mistakes People Make When Buying Auto Insurance because it quietly raises your premium over time.
A higher credit-based insurance score usually means lower premiums. Late payments, collections, and high balances tend to hit rates hardest. Laws vary by state—some limit this practice—so check local rules.
How credit score affects your premium rates
Insurers use credit-based scores to predict likelihood of filing claims. Higher scores are seen as lower risk, often producing lower premiums. It’s not the only factor, but it carries weight.
Simple steps you can take to improve your score
Make on-time payments, lower credit card balances, and fix report errors. Dispute inaccuracies and avoid opening many new accounts at once. These moves can produce quote changes in months, not years.
Ask insurers if they use credit for pricing
Ask: Does my credit score change the price, and can you show a quote without it? If they won’t answer, consider a different company or manual underwriting options.
Failing to update insurance policy after life changes
When life shifts—marriage, a new car, a teen driver, a long commute—your policy should change too. Insurers look for material changes: where you live, who drives, and how you use your vehicle. One overlooked change can lead to denied claims or canceled policies.
Updating your policy keeps coverage honest and useful. Call or log in and report changes as soon as you can.
Life events you must tell your insurer about
Tell your insurer when your address changes, when you add or remove drivers (especially young drivers), if you start using the car for business or rideshare, if you buy a new vehicle, or if you modify the vehicle.
How failing to update insurance policy can void claims
If a claim happens and the insurer finds undisclosed changes, they can deny the claim or cancel the policy for material misrepresentation. Investigations can reveal driver history and vehicle use; unlisted drivers or business use are common denial reasons.
Review your policy after any major change
After a big event, read your declarations page and call your agent to confirm coverages and limits. Ask for written confirmation of updates and check for gaps like liability shortfalls or loss-of-use coverage.
Overlooking claims history and other auto insurance buying errors
Insurers keep claims records. Even a small claim can show up and affect pricing later. Before you buy, pull your claims report, read it, and correct errors so you’re not surprised by entries that raise your quotes.
Many people assume only big crashes matter. That’s a mistake—frequency and fault matter. Two or three small claims in a short span can look risky.
How past claims affect your future premiums
Paid claims tell insurers you had losses; fault increases the rate more than not-at-fault claims. Glass claims often raise rates less, but patterns are what insurers watch for. Consider paying small repairs yourself to keep your record cleaner.
Common auto insurance buying errors that show up in records
Wrong details—wrong mileage, incorrect primary driver, hiding past tickets—can lead to higher prices or denied claims. Short gaps in coverage or switching policies improperly can also trigger red flags. Always cross-check what you tell a new insurer with existing records.
Keep a clean record and report small fixes correctly
If a repair is minor and you can pay cash, do so—and keep receipts. When you report a claim, be accurate and concise. Mistakes and exaggerations create mismatches that stick on your file.
Conclusion — Avoiding the Top 5 Mistakes People Make When Buying Auto Insurance
Avoid the common traps: don’t buy the cheapest policy without checking coverage, compare at least three quotes, pick limits that protect your assets, read exclusions, add underinsured motorist coverage if needed, hunt discounts, monitor your credit, update your policy after life changes, and check your claims history. Use the quick checklist below and treat annual renewals as an opportunity to optimize.
- Review liability and collision limits yearly.
- Compare at least three quotes with identical coverages.
- List all drivers and vehicles accurately.
- Ask about every discount and bundling option.
- Set a deductible you can afford; avoid filing small claims.
- Read exclusions and ask your agent for clarifications in writing.
- Add UIM if appropriate and align limits with your assets.
- Monitor and improve your credit score.
- Update the policy after moves, new drivers, or usage changes.
- Pull and correct your claims report before shopping.
Following these steps helps you avoid the Top 5 Mistakes People Make When Buying Auto Insurance and keeps you better protected without overpaying.

My name is Henrique, I’m 47 years old, and I’ve been working in insurance since I was 23. I’ve spent over two decades helping people protect their most valuable assets—and today, with my full focus on the world of cars, I continue with the same mission: ensuring your safety on life’s roads.
Over the years, I’ve come to understand that car insurance is much more than a legal requirement. It represents freedom, peace of mind, and responsibility. Whether you’re an experienced driver or just getting your license, my job is to translate the technical details into clear, informed decisions.
