How to Avoid Huge Bills After a Not-at-Fault Crash

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Sep 10, 2025

Hit by an uninsured driver? You could face thousands in bills. Discover how UM/UIM coverage can save you from financial ruin after a crash you didn’t cause. Click to learn more!

Financial market analysis from 10/09/2025. Market conditions may have changed since publication.

Imagine this: you’re driving home after a long day, minding your own business, when out of nowhere, another car slams into you. You’re shaken but unharmed, and the other driver speeds off or, worse, admits they don’t have insurance. Suddenly, you’re staring at a totaled car and a pile of medical bills, all for an accident that wasn’t your fault. It’s a scenario that plays out far too often—over 15% of drivers in the U.S. are uninsured, and many more carry bare-minimum coverage that won’t cover your losses. So, how do you protect yourself from footing the bill for someone else’s mistake?

The answer lies in a lesser-known but critical piece of your auto insurance policy: uninsured and underinsured motorist coverage (UM/UIM). I’ve seen friends and family blindsided by the costs of accidents caused by others, and trust me, the last thing you want is to be stuck paying thousands because someone else didn’t plan ahead. This article dives deep into what UM/UIM coverage is, why it’s a lifesaver, and how to make sure you’re not left high and dry after a collision.

Why Uninsured Drivers Are a Bigger Problem Than You Think

It’s easy to assume everyone on the road has insurance. After all, most states require it, right? But here’s the kicker: nearly one in six drivers is cruising around without any coverage, according to recent studies. Add to that another 18% who have insurance but not enough to cover serious damages, and you’ve got a third of drivers who could leave you in a financial mess after a crash. I’ve always found it shocking how many people roll the dice like this, but the reality is, it’s your wallet at risk if they hit you.

Picture this: a fender-bender might seem minor, but repair costs for even a modest car can climb into the thousands. If the at-fault driver is uninsured or underinsured, you’re left holding the bag unless you have the right protection. That’s where UM/UIM coverage comes in—it’s like a financial safety net for when the other guy drops the ball.


What Is Uninsured Motorist Coverage?

Uninsured motorist coverage (UM) is your shield when you’re hit by someone who doesn’t have any car insurance. In some states, it even kicks in for hit-and-run accidents, which can feel like a small miracle when you’re left with a crumpled bumper and no one to blame. UM coverage typically breaks down into two key parts:

  • Uninsured Motorist Property Damage (UMPD): Covers repairs to your car and, in some cases, other property like a fence or mailbox. Some policies even throw in rental car reimbursement while your ride’s in the shop.
  • Uninsured Motorist Bodily Injury (UMBI): Takes care of medical bills, lost wages, pain and suffering, and even funeral costs if the worst happens.

Think of UM as your backup plan when the other driver has nothing to offer. It’s not about pointing fingers—it’s about making sure you’re not stuck paying for their lack of responsibility.

Underinsured Motorist Coverage: The Other Half of the Equation

Now, let’s talk about underinsured motorist coverage (UIM). This steps in when the at-fault driver has insurance, but their policy limits are too low to cover your damages. Say their liability coverage maxes out at $15,000, but your medical bills and car repairs total $50,000. Without UIM, you’d be on the hook for the difference. With it? Your insurance steps up to bridge the gap.

Like UM, UIM has two main components:

  • Underinsured Motorist Property Damage (UIMPD): Covers your car repairs and sometimes other property damage or rental car costs.
  • Underinsured Motorist Bodily Injury (UIMBI): Handles medical expenses, lost income, and other costs like pain and suffering.

Here’s the beauty of UIM: it ensures you’re not left scrambling because someone else cheaped out on their policy. I’ve always thought of it as an extra layer of peace of mind, especially on busy highways where you never know who’s behind the wheel.

“Having UM/UIM coverage is like wearing a seatbelt for your finances—it’s there to protect you when things go wrong.”

– Auto insurance expert

How UM/UIM Works in Real Life

Let’s break it down with a quick example. You’re driving through town, and someone runs a red light, smashing into your car. The damage? $10,000 to your vehicle and $20,000 in medical bills for a broken arm. The other driver has no insurance or a policy that only covers $5,000. Without UM/UIM, you’re out $25,000. With it, you file a claim with your own insurer, who covers the costs up to your policy’s limits—no deductible required.

One thing to note: filing a UM/UIM claim might nudge your premiums up slightly, but it’s a drop in the bucket compared to paying for repairs or hospital stays out of pocket. In my experience, the small cost of adding this coverage far outweighs the risk of going without it.

Which States Require UM/UIM Coverage?

Not every state mandates UM/UIM coverage, but 22 states and Washington, D.C. require at least uninsured motorist coverage, and some include underinsured as well. The requirements vary, so it’s worth checking with your state’s Department of Insurance or DMV to know what’s mandatory. For example, some states set minimums like $25,000 per person and $50,000 per accident, while others, like Maine, go as high as $50,000/$100,000.

StateUM RequirementsUIM Requirements
Illinois$25,000/$50,000None
Maryland$30,000/$60,000, $15,000 propertyNone
North Carolina$50,000/$100,000$50,000
Vermont$50,000/$100,000, $10,000 propertyNone

If your state doesn’t require UM/UIM, don’t skip it just because you can. I’ve always believed that assuming everyone else is as responsible as you are is a risky bet. Better to have the coverage and not need it than to wish you had it when it’s too late.


How Much Does UM/UIM Coverage Cost?

Here’s the good news: adding UM/UIM to your policy won’t break the bank. On average, it costs between $5 and $25 a month, depending on factors like your location, driving history, and insurer. For context, that’s less than your monthly coffee budget for protection that could save you thousands. Costs vary, though—drivers in high-risk areas or with spotty records might pay a bit more.

Curious about what affects the price? Here’s a quick rundown:

  • Location: Urban areas with more uninsured drivers often mean higher premiums.
  • Driving Record: A clean record keeps costs down.
  • Insurer: Some companies offer better rates or bundle UM/UIM with other discounts.

Personally, I think it’s a no-brainer to add this coverage, especially if you drive a pricier car or live in a busy city. The peace of mind alone is worth the small hit to your monthly budget.

How to Get UM/UIM Coverage

Adding UM/UIM to your policy is straightforward. When you’re shopping for car insurance, just ask your agent to include it in your quote. If your state requires it, it might already be baked in, but double-check to be sure. You can also review your current policy’s declarations page or log into your insurer’s app to see if you’re already covered.

Here’s a tip: don’t just settle for the state minimum if it’s required. The amount you need depends on your car’s value and your financial situation. For example, if you drive a high-end vehicle, a $15,000 property damage limit might not cut it. A good rule of thumb? Match your UM/UIM limits to your liability coverage for balanced protection.

“Choosing the right coverage limits is like picking the right size lifeboat—you want enough room to stay safe.”

– Financial planner

Is UM/UIM Coverage Worth It?

Let’s be real: no one wants to pay extra for insurance. But consider this—nearly 20% of accidents with injuries involve costs that exceed the at-fault driver’s coverage, according to industry research. That’s a scary stat. Without UM/UIM, you’re gambling with your savings every time you hit the road.

I’ve always thought of UM/UIM as a small price to pay for a big safety net. It’s not just about covering repairs or medical bills; it’s about avoiding the stress and financial strain of dealing with an uninsured driver. If you’re on the fence, ask yourself: can you afford to pay $10,000 or more out of pocket for an accident you didn’t cause?

Tips to Save on Car Insurance with UM/UIM

Adding UM/UIM doesn’t mean you have to blow your budget. Here are some ways to keep your insurance costs in check while staying protected:

  1. Shop Around: Compare quotes from multiple insurers to find the best rates for UM/UIM coverage.
  2. Bundle Policies: Many companies offer discounts if you combine auto, home, or renters insurance.
  3. Look for Discounts: Ask about safe driver, multi-car, or loyalty discounts to lower your premiums.
  4. Raise Your Deductible: A higher deductible on other parts of your policy can offset the cost of adding UM/UIM.

Pro tip: some insurers offer add-ons like roadside assistance or rental car reimbursement that pair well with UM/UIM, giving you even more bang for your buck.


Final Thoughts: Don’t Leave Your Wallet Exposed

Getting hit by an uninsured or underinsured driver is like stepping into a financial minefield. You didn’t cause the problem, but without the right coverage, you’re the one paying the price. UM/UIM coverage isn’t just an extra—it’s a must-have for anyone who wants to drive with confidence. By investing a few bucks a month, you’re safeguarding your car, your health, and your bank account from someone else’s bad decisions.

So, next time you’re reviewing your insurance policy, take a hard look at UM/UIM. Check if it’s included, and if not, add it. Your future self will thank you when you’re not stuck paying thousands for a crash you didn’t cause. Have you ever dealt with an uninsured driver? I’d love to hear your story—it’s a reminder of why this coverage is so crucial.

The single most powerful asset we all have is our mind. If it is trained well, it can create enormous wealth.
— Robert Kiyosaki
Author

Steven Soarez passionately shares his financial expertise to help everyone better understand and master investing. Contact us for collaboration opportunities or sponsored article inquiries.

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