Gas Prices in Fort Smith, AR Today

Updated April 5, 2026 — Prices updated regularly from EIA data

$2.67

Average Regular Unleaded — Fort Smith, Arkansas

Current Gas Prices in Fort Smith

The average cost to fill up in Fort Smith, Arkansas is $$2.67 per gallon for regular gas right now. Compared to the national average, Fort Smith drivers are paying $1.32 below the national average, reflecting local market dynamics.

Fuel TypePrice / GallonGradeTrend
Regular Unleaded$2.6787 octane▲ Rising
Mid-Grade$3.0989 octane▲ Rising
Premium$3.3491-93 octane▲ Rising
Diesel$3.61N/A▲ Rising

Price Comparison

Fort Smith Average
$2.67
Regular Unleaded
Arkansas State Average
$2.82
$0.15 below the Arkansas average
National Average
$3.99
$1.32 below the national average

About Gas Prices in Fort Smith

The Fort Smith fuel market reflects Arkansas's broader pricing environment while adding local demand characteristics. With a growing population and rising commuter traffic, demand pressure in Fort Smith is steady. Warehouse club stations and discount brands regularly beat street prices by 10-20 cents per gallon.

Gas Prices by Brand in This City

Estimated prices based on brand modifiers. Sorted cheapest to most expensive.

CHEAPEST
Costco
$2.52
Speedway
$2.64
Circle K
$2.65
Sunoco
$2.68
Marathon
$2.69
BP
$2.71
Mobil
$2.72
Exxon
$2.73
Shell
$2.75
Chevron
$2.77

Fuel Type Prices in This City

Regular Unleaded
87 octane
Premium Gasoline
91-93 octane
Diesel Fuel
N/A

Gas Prices in Nearby Cities

Fayetteville$2.76Springdale$2.71Broken Arrow$2.72
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Frequently Asked Questions

Gas price spikes in Fort Smith are typically triggered by regional supply disruptions, pipeline outages, refinery maintenance, seasonal blend transitions, and global crude oil price increases. Holiday demand surges around Memorial Day, July 4th, and Labor Day also push prices up temporarily.
Premium gas in Fort Smith is worth the extra cost only if your vehicle requires it. If your owner's manual says Required, always use premium. If it says Recommended, you may use regular with minimal performance loss. Never use regular in a vehicle that requires premium.
Costco offers the cheapest gas wherever it operates in the Fort Smith area. Among street stations, Circle K, Speedway, and Wawa (in applicable markets) consistently offer below-average prices. Shell, Chevron, and BP typically price above the local average.
At today's Fort Smith average of $$2.67 per gallon, a standard 13-gallon sedan tank costs ${fillCost} to fill. A larger 20-gallon SUV or truck tank runs ${truckFill}. Choosing the cheapest local station can save $3-5 on each fill-up.
Monday and Tuesday are statistically the cheapest days to buy gas in most US cities including Fort Smith. Prices rise Thursday through Sunday as weekend driving demand increases. Filling up Tuesday afternoon before price adjustments is a reliable strategy.

Related Gas Price Pages

Gas Prices in ArkansasCheapest Gas in Fort SmithGas Prices Near Fort SmithCompare All StatesRegular Unleaded in Fort SmithPremium Gasoline in Fort SmithDiesel Fuel in Fort SmithShell - Fort SmithExxon - Fort SmithBP - Fort SmithChevron - Fort SmithMobil - Fort SmithGas Prices in FayettevilleGas Prices in SpringdaleGas Prices in Broken Arrow