South Carolina uses the Lower Atlantic (PADD 1C) weekly average from EIA, which does not publish an average for South Carolina itself. Regular averaged $3.96 a gallon there in the week of October 5, 2026, −23.6¢ on the week.
Regional figure, not a state average for South Carolina. EIA publishes weekly prices for nine states only. South Carolina is part of the Lower Atlantic (PADD 1C) region, so the prices below are the Lower Atlantic (PADD 1C) average, the same figure shown for 4 other states. Pump prices in South Carolina can differ from it.
Lower Atlantic (PADD 1C) average, week of October 5, 2026
Regular$3.96/gal−23.6¢ vs last week+$1.06 vs a year ago
Midgrade$4.45/gal−22.2¢ vs last week+$1.08 vs a year ago
Premium$4.82/gal−21.1¢ vs last week+$1.09 vs a year ago
Diesel$5.70/gal−25.4¢ vs last week+$2.04 vs a year ago
US average regular: $4.35 (−11.1¢ on the week). The Lower Atlantic (PADD 1C) average is 40¢ below it.
Regular per gallon, last 52 weeks: Lower Atlantic (PADD 1C) vs USLower Atlantic (PADD 1C)US average
Other states in the Lower Atlantic (PADD 1C) region
Source: U.S. Energy Information Administration (EIA), weekly retail gasoline and diesel prices, week of October 5, 2026. Prices include taxes and are averages of a survey of stations, published every Monday (Tuesday after a federal holiday); a single station near you can be well above or below them. Via the Roadscore API.
