Auto Insurance in Summerville

Get the facts on auto insurance in Summerville, SC. Learn about 25/50/25 minimums, I-26 corridor risks, and why this Charleston suburb has higher rates.

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Published January 8, 2026

Key Takeaways

  • South Carolina is an at-fault state requiring minimum 25/50/25 liability coverage, plus mandatory uninsured motorist coverage at the same limits.
  • Summerville drivers pay an average of $185 per month for auto insurance—higher than the state average due to I-26 corridor traffic and rapid suburban growth.
  • The I-26 corridor through Summerville is a high-traffic accident zone, with over 1,400 injuries reported annually on this route in recent years.
  • Summerville's population has grown 90% since 2000, making it South Carolina's seventh-largest municipality and Charleston's fastest-growing suburb.
  • With 11 local insurance agencies serving the area, Summerville residents have ample options to compare rates and find coverage that fits their needs.
  • Carrying only minimum coverage leaves you vulnerable—many agents recommend at least 100/300/100 limits given the risks on busy suburban roads.

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Summerville isn't just Charleston's fastest-growing suburb—it's also becoming one of the busiest. With a population that's nearly doubled since 2000, reaching over 52,000 residents in 2024, this charming town known as "Flowertown in the Pines" has transformed from a quiet retreat into a thriving community. And with that growth comes something every driver needs to think about: auto insurance that actually protects you on roads that are busier than ever.

Whether you're commuting down the I-26 corridor to Charleston, navigating the growing retail districts along North Main Street, or simply running errands around town, understanding your auto insurance options isn't just smart—it's essential. Here's everything you need to know about getting the right coverage in Summerville.

What South Carolina Law Requires

South Carolina is an at-fault state, which means if you cause an accident, your insurance pays for the other person's damages. The state requires every driver to carry what's known as 25/50/25 coverage. Here's what those numbers mean in plain English:

$25,000 per person for bodily injury—if you hurt someone in an accident, your insurance covers their medical bills up to this amount. $50,000 per accident for bodily injury—if multiple people are injured, this is the total your policy will pay. $25,000 for property damage—this covers damage you cause to other vehicles, buildings, or property.

But here's what catches many drivers off guard: South Carolina also requires you to carry uninsured motorist coverage at those same 25/50/25 limits. This coverage kicks in when you're hit by someone who doesn't have insurance or flees the scene. There's typically a $200 deductible for property damage under this coverage. It's not optional—it's the law, and for good reason. You need protection from drivers who are breaking the law by driving without insurance.

Why Summerville's Growth Matters for Your Insurance

Living in Summerville means you're part of one of South Carolina's most dynamic communities. The town has grown 90% since 2000 and continues expanding at about 1.6% annually. That growth is wonderful for the local economy and community spirit, but it also means more cars on the road—and more risk.

The I-26 corridor running through Summerville has become particularly congested. This major highway connects the suburb to downtown Charleston, North Charleston, and beyond. According to recent data, over 1,400 people suffered injuries in I-26 accidents annually in recent years, with dozens of fatalities. The combination of heavy commuter traffic, outdated infrastructure in some sections, and the sheer volume of vehicles has made this stretch of highway a genuine concern for safety experts.

Drivers in Summerville pay more for auto insurance than the state average—about $185 per month or roughly $2,220 annually. That's higher than many rural areas but reflects the reality of suburban traffic patterns. Cities like Summerville, North Charleston, and Florence see higher premiums because of increased accident frequency, theft risk, and vehicle damage claims.

Beyond the Minimum: What You Really Need

Here's the uncomfortable truth about minimum coverage: $25,000 doesn't go far when someone gets seriously hurt. A single trip to the emergency room after a car accident can easily exceed that amount. If you cause an accident and your insurance maxes out, you're personally responsible for everything beyond your policy limits. That could mean wage garnishment, liens on your property, or bankruptcy.

Many insurance professionals recommend stepping up to at least 100/300/100 coverage if you can afford it. That's $100,000 per person, $300,000 per accident for injuries, and $100,000 for property damage. Yes, it costs more each month, but the peace of mind is worth it—especially on routes like I-26 where serious accidents happen with disturbing regularity.

You should also consider underinsured motorist coverage. Unlike uninsured motorist coverage, this isn't mandatory in South Carolina—but it's smart. This coverage protects you when the at-fault driver has insurance, but not enough to cover your damages. Your insurance company will offer you this coverage, and if you don't explicitly decline it in writing, they'll automatically add it to your policy. That's actually a good thing. Accept it.

Collision and comprehensive coverage aren't legally required, but if you have a car loan or lease, your lender will require them. Even if you own your car outright, these coverages protect your investment. Collision covers damage from accidents regardless of fault. Comprehensive covers everything else—theft, vandalism, hail, falling trees, you name it. In a growing area like Summerville where new construction and increased traffic create new risks, these coverages make sense.

Shopping for Coverage in Summerville

The good news? Summerville has about 11 local insurance agencies serving the area, giving you plenty of options to compare. Rates can vary dramatically between companies—we're talking differences of $500 or more per year for the same coverage. That's why it pays to shop around.

Your age, driving record, credit score, and the type of car you drive all affect your rate. In Summerville, young drivers in their teens and twenties might pay around $148 per month, while drivers in their 30s often see rates around $247. If you're in your 40s with a clean driving record, you might pay closer to $162 monthly. A single accident on your record bumps your average rate to about $164 per month, while a traffic ticket costs around $166 monthly.

If you're looking for liability-only coverage to meet the state minimum, expect to pay around $203 per month. Full coverage with collision and comprehensive typically runs about $267 monthly. High-risk drivers—those with multiple accidents, DUIs, or suspended licenses—might face rates exceeding $700 per month. That's not a scare tactic; it's reality. Your driving record matters tremendously.

Getting the Right Coverage Today

Don't wait until after an accident to realize your coverage is inadequate. Take 30 minutes this week to review your current policy. Do you have just the state minimum? If so, consider what would happen if you caused a serious accident tomorrow. Could you afford to pay tens or hundreds of thousands of dollars out of pocket?

Get quotes from at least three different insurance companies. Ask specifically about higher liability limits, underinsured motorist coverage, and any discounts you might qualify for. Many insurers offer discounts for bundling home and auto policies, maintaining a clean driving record, completing defensive driving courses, or even having certain safety features in your vehicle.

Summerville is a wonderful place to live—safe neighborhoods, excellent schools in Dorchester District Two, and that unbeatable small-town charm just 24 miles from Charleston. But with growth comes responsibility, especially on the road. The right auto insurance isn't just about following the law. It's about protecting your family, your finances, and your future. Make sure you're covered for the reality of driving in one of South Carolina's fastest-growing communities.

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Frequently Asked Questions

What are the minimum auto insurance requirements in Summerville, SC?

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Summerville follows South Carolina state law requiring 25/50/25 liability coverage and mandatory uninsured motorist coverage at the same limits. This means $25,000 per person for bodily injury, $50,000 total per accident for injuries, and $25,000 for property damage. You must also carry uninsured motorist coverage with a typical $200 deductible for property damage.

How much does auto insurance cost in Summerville?

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Summerville drivers pay an average of $185 per month, or about $2,220 annually, which is higher than the South Carolina state average. Liability-only coverage averages around $203 per month, while full coverage typically runs about $267 monthly. Rates vary based on age, driving record, credit score, and coverage levels.

Is South Carolina a no-fault state for car insurance?

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No, South Carolina is an at-fault state, meaning the driver responsible for causing an accident is liable for damages. This is why carrying adequate liability coverage is so important—if you cause an accident, your insurance pays for the other party's damages up to your policy limits, and you're personally responsible for anything beyond that.

Do I need underinsured motorist coverage in Summerville?

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While underinsured motorist coverage isn't legally required in South Carolina, it's highly recommended. This coverage protects you when an at-fault driver has insurance but not enough to cover your full damages. Unless you decline it in writing, your insurance company will automatically add it to your policy, which is actually beneficial given the risks on busy roads like I-26.

Why is car insurance more expensive in Summerville than other parts of South Carolina?

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Summerville's higher insurance rates reflect its status as Charleston's fastest-growing suburb with heavy I-26 corridor traffic. The combination of increased population (up 90% since 2000), higher accident frequency on congested routes, and greater risk of theft and vehicle damage in suburban areas all contribute to premiums that exceed the state average.

What coverage limits should I actually carry in Summerville?

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While the state minimum is 25/50/25, many insurance professionals recommend at least 100/300/100 coverage—especially given the serious accidents that occur on I-26. The state minimum of $25,000 per person can be exhausted quickly by even a moderate injury, leaving you personally liable for the remainder. Higher limits provide much better financial protection.

We provide this content to help you make informed insurance decisions. Just keep in mind: this isn't insurance, financial, or legal advice. Insurance products and costs vary by state, carrier, and your individual circumstances, subject to availability.

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