Gas prices in Sumter, SC

Daily metro average from AAA (2026-10-26), per gallon including taxes, for AAA’s Sumter metro area in South Carolina.

Regular

$3.97

per gallon · €0.94/L

Midgrade

$4.41

per gallon · €1.04/L

Premium

$4.82

per gallon · €1.14/L

Diesel

$5.94

per gallon · €1.40/L

1.0% vs last week ($4.01) 44.1% vs a year ago ($2.76)

Nearest South Carolina metros on price

The metros immediately either side of Sumter in South Carolina, so you can see whether paying $3.97 here is normal or not.

Metro	Regular	vs Sumter
Florence, SC	$3.81	−$0.16
Charleston & North Charleston, SC	$3.82	−$0.15
Columbia, SC	$3.82	−$0.15
Hilton Head & Bluffton, SC	$3.90	−$0.07
Sumter, SC	$3.97	—

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Tools for drivers in Sumter

Gas cost calculator →

What a trip or a full tank costs at Sumter prices.

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Frequently asked questions

How much is gas in Sumter right now?

Regular gasoline averages $3.97 per gallon across Sumter, SC today (AAA metro average, 2026-10-26). Midgrade is $4.41, premium $4.82 and diesel $5.94.

Is gas cheaper in Sumter than the rest of South Carolina?

A South Carolina state comparison is unavailable today.

Where does Sumter rank in South Carolina?

Sumter is the 10th cheapest of 10 South Carolina metros AAA tracks.

Are gas prices in Sumter higher than a year ago?

Yes — regular is 44.1% higher than this time last year ($2.76/gal then, $3.97 now).