Updated March 2026
State Requirements
South Carolina operates under a traditional at-fault tort liability system, meaning the driver responsible for a crash pays for damages. The state requires all drivers to carry proof of financial responsibility, enforced through random verification requests from the South Carolina Department of Motor Vehicles. South Carolina also mandates uninsured motorist coverage at the same limits as your bodily injury liability unless you reject it in writing — a requirement unique among southeastern states.
Cost Overview
South Carolina auto insurance rates vary significantly by location, with coastal counties paying higher premiums due to hurricane exposure and urban centers like Charleston and Columbia seeing elevated rates from accident density and vehicle theft. The state's roughly 9.4% uninsured motorist rate also contributes to higher uninsured motorist coverage costs compared to neighboring North Carolina.
What Affects Your Rate
- Charleston County drivers pay 15–25% more than Upstate averages due to higher hurricane risk and coastal storm frequency.
- Drivers under age 25 in South Carolina face premiums approximately 70–90% higher than those aged 35–55 with clean records.
- A single at-fault accident can increase premiums by 25–40% for three to five years, depending on severity and insurer policy.
- Vehicles with high theft rates — such as older Honda Accords and pickup trucks — carry comprehensive premiums 20–30% above the state average.
- Credit-based insurance scores significantly affect South Carolina rates; poor credit can double premiums compared to excellent credit with identical driving history.
- Rural counties like Oconee and Pickens typically see rates 10–18% below metro areas due to lower accident frequency and reduced theft risk.
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Coverage Options
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Frequently Asked Questions
Sources
- South Carolina Department of Insurance (scdoi.sc.gov)
- South Carolina Department of Motor Vehicles - Financial Responsibility Requirements
- Insurance Information Institute - Uninsured Motorists 2024 Data