Updated May 21, 2026 — Prices updated regularly from EIA data
$3.00
Average Regular Unleaded — North Charleston, South Carolina
Current Gas Prices in North Charleston
Motorists in North Charleston are seeing $$3.00 per gallon at the pump today for regular gas. This is $0.06 below the South Carolina average the South Carolina state average, driven by local competition and North Charleston's proximity to supply infrastructure.
Fuel Type
Price / Gallon
Grade
Trend
Regular Unleaded
$3.00
87 octane
▼ Falling
Mid-Grade
$3.39
89 octane
▲ Rising
Premium
$3.64
91-93 octane
▬ Stable
Diesel
$3.74
N/A
▼ Falling
Price Comparison
North Charleston Average
$3.00
Regular Unleaded
South Carolina State Average
$3.06
$0.06 below the South Carolina average
National Average
$4.49
$1.49 below the national average
About Gas Prices in North Charleston
North Charleston's position in South Carolina gives it Southeast supply chain supply chain characteristics. Refinery-direct brands like Valero and wholesale retailers like Costco typically offer the strongest value in the area. Premium brands like Shell and Chevron charge a quality markup that may or may not be worth it depending on your vehicle.
Gas Prices by Brand in This City
Estimated prices based on brand modifiers. Sorted cheapest to most expensive.
Costco and Sam's Club fuel stations serve many major metropolitan areas and offer the lowest prices for members — typically 15-25 cents below local market. Membership costs $65-130/year but typically pays for itself in fuel savings alone for regular drivers.
Gas price spikes in North Charleston are typically triggered by regional supply disruptions, pipeline outages, refinery maintenance, seasonal blend transitions, and global crude oil price increases. Holiday demand surges around Memorial Day, July 4th, and Labor Day also push prices up temporarily.
Premium gas in North Charleston is worth the extra cost only if your vehicle requires it. If your owner's manual says Required, always use premium. If it says Recommended, you may use regular with minimal performance loss. Never use regular in a vehicle that requires premium.
Costco offers the cheapest gas wherever it operates in the North Charleston area. Among street stations, Circle K, Speedway, and Wawa (in applicable markets) consistently offer below-average prices. Shell, Chevron, and BP typically price above the local average.
At today's North Charleston average of $$3.00 per gallon, a standard 13-gallon sedan tank costs ${fillCost} to fill. A larger 20-gallon SUV or truck tank runs ${truckFill}. Choosing the cheapest local station can save $3-5 on each fill-up.
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