Gas prices in South Carolina today
The latest reported regular gas average in South Carolina is $3.78 per gallon, with diesel at $5.81/gal. Prices include taxes. Compare fuel grades, recent changes and local metro averages below; individual pump prices vary.
South Carolina gas price trends
Regular, AAA daily state averages, as of 2026-10-25
A 15-US-gallon fill of regular gasoline in South Carolina costs about $56.75 at the state average reported on 2026-10-25, $0.79 less than on 2026-10-18.
The comparison holds the amount of fuel constant, so it shows what the price change means for your bill. For a road trip, use the averages to set a budget and check actual pump prices before choosing a stop.
- vs yesterday
- down South Carolina regular 0.5%
- $3.80 on 2026-10-24 → $3.78
- $0.30 less per 15-gallon fill
- vs a week ago
- down South Carolina regular 1.4%
- $3.84 on 2026-10-18 → $3.78
- $0.79 less per 15-gallon fill
- vs a month ago
- down South Carolina regular 8.4%
- $4.13 → $3.78
- $5.19 less per 15-gallon fill
- vs a year ago
- up South Carolina regular 38.2%
- $2.74 → $3.78
- $15.68 more per 15-gallon fill
Cost for 15 US gallons of regular gasoline · USD
- Reported 2026-10-25
- USD 56.75
- Week ago (2026-10-18)
- USD 57.54
- Month ago
- USD 61.94
- Year ago
- USD 41.07
FuelWide calculation: each AAA regular state average × the selected US gallons, rounded to cents. Observations as of 2026-10-25; month-ago and year-ago are AAA's comparison labels. Station prices vary.
Check the AAA source for South Carolina
| Period | regular | midgrade | premium | diesel |
|---|---|---|---|---|
| Reported 2026-10-25 | $3.78 | $4.25 | $4.65 | $5.81 |
| Yesterday (2026-10-24) | $3.80 | $4.28 | $4.68 | $5.82 |
| Week ago (2026-10-18) | $3.84 | $4.29 | $4.69 | $5.84 |
| Month ago | $4.13 | $4.61 | $5.00 | $6.09 |
| Year ago | $2.74 | $3.22 | $3.59 | $3.40 |
The EIA doesn’t survey South Carolina weekly, so there is no long South Carolina series. For the trend it follows, see US gas price history since 1990 →
South Carolina diesel prices
Diesel averages $5.81 per gallon in South Carolina, according to AAA on 2026-10-25. That is $0.53/gal below the unweighted mean of AAA’s 51 diesel averages for states and DC. A 30-gallon fill costs about $174.33.
South Carolina diesel prices by city, with the weekly and yearly change and the diesel tax →
Lowest reported metro diesel averages in South Carolina
- Aiken-Edgfield County$5.73/gal
- Greenville$5.74/gal
- Myrtle Beach$5.77/gal
- Spartanburg$5.77/gal
- Florence$5.79/gal
AAA metro averages as of 2026-10-25. Area averages, not individual station prices. Compare all local areas →
Gas stations in South Carolina
Stations color-coded by brand — the panel ranks the providers and you can filter to one brand. Move the map anywhere in South Carolina and press “Search this area”.
Locations onlyNo public station-price feed exists here, so pins show locations, brands and directions only. Prices on this page are area averages. Locations come from OpenStreetMap, a volunteer-edited map, so a new or rebranded station can be missing until someone updates it.
Explore stations, fuel options and directions.
a gallon more for premium than regular in South Carolina. How that compares with every other state, and whether your car needs it.
Where gas is cheapest in South Carolina: prices by metro area
AAA reports separate daily averages for 10 South Carolina metros — $0.37 a gallon between the cheapest and the dearest.
- 1Myrtle Beach$3.61
- 2Greenville$3.64
- 3Rock Hill$3.75
- 4Spartanburg$3.75
- 5Aiken & Edgfield Counties$3.81
- 6Florence$3.83
- 7Columbia$3.84
- 8Charleston & North Charleston$3.85
- 9Hilton Head & Bluffton$3.91
- 10Sumter$3.98
AAA metro averages · 2026-10-25
What a tank costs in South Carolina, and how much of it is tax
- Compact — 12 gal$45.40
- Sedan / crossover — 15 gal$56.75
- SUV — 20 gal$75.66
- Full-size pickup — 26 gal$98.36
Tax is 13% of the pump price in South Carolina. Pre-tax figure is an estimate — state rates as of 2026-01-01.
South Carolina compared with neighbouring states
Where the line is worth crossing, and where it is not — each comparison shows how much of the gap is tax rather than the fuel itself.
- North Carolina$3.50
- Georgia$3.66
- Texas$3.72
- South Carolina$3.78
- Louisiana$3.79
- Alabama$3.82
- Tennessee$3.82
- Mississippi$3.84
- Arkansas$3.85
- Delaware$3.91
- Oklahoma$3.92
- Missouri$3.93
- Kansas$3.94
- Maryland$3.98
- Indiana$4.00
- Kentucky$4.04
- Virginia$4.05
- Florida$4.11
- North Dakota$4.11
- Rhode Island$4.15
- New Jersey$4.17
- Iowa$4.20
- Minnesota$4.20
- West Virginia$4.20
- South Dakota$4.21
- New Hampshire$4.21
- New Mexico$4.22
- Massachusetts$4.23
- Maine$4.30
- Connecticut$4.30
- Nebraska$4.32
- Vermont$4.36
- District of Columbia$4.36
- New York$4.38
- Montana$4.40
- Wyoming$4.41
- Ohio$4.42
- Pennsylvania$4.44
- Colorado$4.46
- Arizona$4.52
- Wisconsin$4.53
- Utah$4.66
- Idaho$4.69
- Michigan$4.83
- Alaska$4.86
- Oregon$4.87
- Illinois$4.89
- Nevada$5.30
- Washington$5.31
- Hawaii$5.66
- California$6.02
The answer, in full — and where it comes from
As of 25 October 2026, regular gasoline in South Carolina averages $3.78/gal, the state average. Source: Daily fuel gauge report, AAA (a third-party aggregator, published daily). Retrieved by FuelWide on 25 October 2026.
Midgrade gasoline in South Carolina averages $4.25/gal. Premium gasoline in South Carolina averages $4.65/gal. Diesel in South Carolina averages $5.81/gal.
- Price:
- $3.78/gal
- Fuel:
- Regular gasoline
- Price basis:
- State average
- Applies to:
- South Carolina (state level)
- Measured:
- 2026-10-25
- Retrieved:
- 2026-10-25
- Source:
- AAA — a third-party aggregator
Daily fuel gauge report · State and metro averages: AAA · How we measure this
Tools for drivers in South Carolina
Frequently asked questions
How much is gas in South Carolina right now?
Regular gasoline in South Carolina averages $3.78 per gallon today (AAA daily state average). Midgrade is $4.25, premium $4.65 and diesel $5.81.
Is gas in South Carolina expensive compared to other states?
South Carolina ranks 4 of 51 states from cheapest to most expensive for regular gas this week.
Is gas in South Carolina above or below the US average?
Regular in South Carolina is 12.2% below the unweighted mean of AAA's 51 state averages ($4.31/gal), measured on 2026-10-25. The EIA publishes a separate, volume-weighted national average weekly; the two are different measurements and will not match.
How much is diesel in South Carolina today?
Diesel averages $5.81 a gallon in South Carolina today (AAA daily state average), down 0.4% on a week earlier. A 30-gallon pickup fill costs about $174.33.
How have gas prices in South Carolina changed recently?
Regular gas in South Carolina is down 1.4% on a week ago, down 8.4% on a month ago, up 38.2% on a year ago, according to AAA's daily state averages.
Where is gas cheapest in South Carolina?
Among the 10 South Carolina metro areas AAA reports, Myrtle Beach is cheapest at $3.61 a gallon for regular and Sumter dearest at $3.98. These are area averages; individual stations vary.
How much tax is on a gallon of diesel in South Carolina?
$0.53 a gallon — $0.24 federal plus $0.29 in South Carolina state taxes and fees, the 36 highest of 51 states. That is about 9% of today's pump price of $5.81. Rates as of 2026-01-01.
How much tax is on a gallon of gas in South Carolina?
$0.47 a gallon — $0.18 federal plus $0.29 in South Carolina state taxes and fees, the 35 highest of 51 states. That is about 13% of the pump price. Rates as of 2026-01-01.
How much does it cost to fill up in South Carolina?
At today's average of $3.78 a gallon, a 15-gallon sedan tank costs $56.75 to fill from empty, and a 26-gallon full-size pickup $98.36.
Why this price is what it is
- Premium vs. Regular Gas: Is Premium Actually Worth It?Premium costs more per gallon — but does it help your car? Here's when premium is worth it, when it's wasted money, and what octane really does.
- Fuel Taxes Explained: What You Really Pay Per GallonA big slice of every gallon is tax — but how much, and where does it go? A clear guide to federal, state and European fuel taxes.
- The Best Day and Time to Buy Gas (Backed by Price Data)Studies of billions of transactions point to early in the week as the cheapest time to fill up. Here's the best day, the best time of day, and why it works.