Gas prices in South Carolina: Lower Atlantic average and state gas tax
Regular gas across the Lower Atlantic, the EIA region that includes South Carolina, averaged $3.83 for the week of October 26, 2026. The agency doesn't break out a separate weekly price for South Carolina, and we won't invent one. State and federal taxes together take 47.1¢ from each gallon of gas in South Carolina. The state's share is 28.7¢, which places it 31st of 51, while diesel pays 28.7¢ in state taxes.
The quick take
If you're near the border, compare: Georgia charges 34.1¢ in state gas taxes and North Carolina charges 41.2¢, the low and high among South Carolina's 2 neighbors.
Regular gas, weekly average · Lower Atlantic
November 4, 2024: $2.896 · October 26, 2026: $3.832 · min $2.621 · max $4.195
The state's gas tax since 2015
| Rate as of | Gasoline | Diesel |
|---|---|---|
| Jul 2026 | 28.7¢ | 28.7¢ |
| Jan 2026 | 28.7¢ | 28.7¢ |
| Jul 2025 | 28.7¢ | 28.7¢ |
| Jan 2025 | 28.7¢ | 28.7¢ |
| Jul 2024 | 28.7¢ | 28.7¢ |
| Jan 2024 | 28.7¢ | 28.7¢ |
| Jul 2023 | 28.7¢ | 28.7¢ |
| Jan 2023 | 28.7¢ | 28.7¢ |
| Jul 2022 | 28.7¢ | 28.7¢ |
| Jan 2022 | 26.8¢ | 26.8¢ |
| Jul 2021 | 26.8¢ | 26.8¢ |
| Jul 2020 | 24.8¢ | 24.8¢ |
| Jan 2020 | 22.8¢ | 22.8¢ |
| Jul 2019 | 22.8¢ | 22.8¢ |
| Jan 2019 | 20.8¢ | 20.8¢ |
| Jul 2018 | 20.8¢ | 20.8¢ |
| Jan 2018 | 18.8¢ | 18.8¢ |
| Jul 2017 | 18.8¢ | 18.8¢ |
| Jan 2017 | 16.8¢ | 16.8¢ |
| Jul 2016 | 16.8¢ | 16.8¢ |
| Jan 2016 | 16.8¢ | 16.8¢ |
| Jul 2015 | 16.8¢ | 16.8¢ |
| Jan 2015 | 16.8¢ | 16.8¢ |
Neighboring states
Georgia34.1¢North Carolina41.2¢
Map
Region: Lower Atlantic · Gas tax by state · Diesel prices · U.S. average