Key Findings
  • Driving in South Carolina costs an estimated $1,281 per year in fuel, ranking #14 among all states.
  • The average driver in South Carolina travels 12,121 miles per year, 794 miles above the national average.
  • Regular gasoline averages $2.748/gal (EIA Lower Atlantic PADD regional average), with a combined state and federal gas tax of 46.4 cents/gal.
  • An EV driver in South Carolina would pay roughly $522/year for electricity, saving about 59% compared to gasoline.

01 Quick Facts

MetricValueNational Avg
Annual fuel cost (26 MPG fleet avg)$1,281$1,280
Regular gas price$2.748/gal$2.937/gal
Combined gas tax (state + federal)46.4¢/gal
Miles driven per capita12,12111,327
Electricity rate (residential)14.2¢/kWh16.5¢/kWh
Driving cost rank#14 of 51
FHWA PS-1 (2024), EIA Weekly Retail Gasoline Prices (Feb 2026), FHWA MF-121T (2022), EIA Form 861 (2024)

02 Gas Prices

Regular gasoline in South Carolina averages $2.748 per gallon (EIA Lower Atlantic PADD regional average), which is $0.19 below the national average of $2.937. South Carolina ranks #24 among states for gas prices (1 = most expensive).

U.S. Energy Information Administration, Weekly Retail Gasoline Prices, February 2026

03 Gas Taxes

South Carolina charges a state gasoline excise tax of 28.0 cents per gallon. Combined with the federal excise tax of 18.4 cents per gallon, drivers in South Carolina pay a total of 46.4 cents per gallon in fuel taxes. This ranks #25 among all states (1 = highest tax).

FHWA, Highway Statistics 2022, Table MF-121T: State Motor-Fuel Tax Rates

At 12,121 miles per year and 26 MPG, the average driver in South Carolina pays roughly $216 in combined gas taxes annually.

Tax ComponentRate
State gasoline tax28.0¢/gal
Federal gasoline tax18.4¢/gal
Combined total46.4¢/gal
Annual tax burden (at 12,121 mi, 26 MPG)$216
FHWA MF-121T (2022); 26 U.S.C. §4081 (federal excise tax rate)

04 Miles Driven

The average driver in South Carolina travels 12,121 miles per year, ranking #11 among all states (1 = most miles). This is 794 miles above the national average of 11,327.

FHWA, Table PS-1: Selected Measures for Identifying Peer States, 2024

South Carolina has a total of 62.0 billion vehicle-miles traveled annually across all road types, with a population of 5,118,425 (68% urban).

FHWA PS-1, 2024; U.S. Census Bureau, 2020 Census

05 Annual Fuel Cost

Based on South Carolina's average gas price and miles driven, here is the estimated annual fuel cost by vehicle type:

Vehicle TypeMPGAnnual Fuel Cost
Compact sedan33$1,009
Midsize SUV26$1,281
Pickup truck20$1,665
Calculated: VMT per capita ({s['vmt_per_capita']:,} mi) ÷ MPG × gas price (${s['gas_price']:.3f}/gal). MPG estimates from EPA Automotive Trends Report, 2023.

Estimate your vehicle's fuel cost using EPA data.

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06 Commuting

The average commute in South Carolina takes 25.5 minutes one way. About 76.1% of workers drive alone to work and 11.8% work from home.

U.S. Census Bureau, ACS 1-Year Estimates, Table S0801: Commuting Characteristics by Sex, 2023
Commute MetricValue
Mean travel time to work25.5 min
Drove alone to work76.1%
Public transit0.4%
Worked from home11.8%
U.S. Census Bureau, ACS 1-Year Estimates, Table S0801, 2023

07 EV Comparison

The average residential electricity rate in South Carolina is 14.2 cents per kWh, which ranks #30 among states (1 = most expensive). At an average EV efficiency of 3.3 miles per kWh, driving on electricity in South Carolina costs roughly $0.043 per mile compared to $0.106 per mile for gasoline.

EIA Form 861, Table 5A: Average Monthly Bill — Residential, 2024; EPA average EV efficiency ~3.3 mi/kWh
MetricGasolineElectric
Cost per mile$0.106$0.043
Annual fuel/energy cost (12,121 mi)$1,281$522
Annual savings with EV$759 (59%)
EIA Form 861 (2024); EIA Weekly Retail Gasoline Prices (Feb 2026); EPA Fuel Economy Guide

08 Neighboring States

Here is how South Carolina's driving costs compare to neighboring states:

StateGas PriceVMT/CapitaAnnual Cost
South Carolina$2.74812,121$1,281
North Carolina$2.74812,549$1,326
Georgia$2.74811,409$1,206

09 Data Sources

  1. Federal Highway Administration: Table PS-1, Selected Measures for Identifying Peer States, 2024. fhwa.dot.gov
  2. Federal Highway Administration: Highway Statistics 2022, Table MF-121T: State Motor-Fuel Tax Rates. fhwa.dot.gov
  3. U.S. Energy Information Administration: Weekly Retail Gasoline Prices by State/Region, February 2026. eia.gov
  4. U.S. Energy Information Administration: Form EIA-861, Table 5A: Average Monthly Bill — Residential, 2024. eia.gov
  5. U.S. Census Bureau: ACS 1-Year Estimates, Table S0801: Commuting Characteristics by Sex, 2023. data.census.gov
  6. U.S. Environmental Protection Agency: Automotive Trends Report, 2023. epa.gov
Disclaimer. This page is for informational purposes only and does not constitute financial, legal, or professional advice. All data is sourced from U.S. government agencies as cited. Gasoline prices change frequently and vary by station, grade, and payment method. Gas tax rates reflect FHWA 2022 data and may have been adjusted since publication. Annual cost estimates use the formula: VMT ÷ MPG × Price per Gallon.