South Carolina Average
$3.66
per gallon regular unleaded
▼ $0.04 vs last week
Regular
$3.66
▼ $0.04
Premium
$4.47
▼ $0.06
Diesel
$4.77
▼ $0.03
State avg
$3.66
▼ $0.04 this week
Cheapest city
Columbia
$3.48 avg
Most expensive
Hilton Head
$3.89 avg
vs national avg
-$0.44
Below average
Prices by city Regular
CityPriceWk changevs state avg
City prices approximate — verify at GasBuddy
30-day price trend — regular South Carolina avg
South Carolina state gas tax: 28¢/gal  ·  Federal tax: 18.4¢/gal  ·  Total tax: ~46¢/gal

South Carolina consistently ranks among the cheapest states for gas. Colonial Pipeline access from Gulf Coast refineries, moderate taxes, and a competitive retail market all help. The state capital Columbia and Interstate corridors see the most competitive prices. Coastal resort areas like Myrtle Beach pay a small premium.

Sources: AAA State Gas Price Averages · EIA Gasoline & Diesel Update

Nearby states
Georgia$3.752
North Carolina$3.679
Tennessee$3.604
All states →map