Gas Prices in Sioux Falls, SD Today

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

$3.03

Average Regular Unleaded — Sioux Falls, South Dakota

Current Gas Prices in Sioux Falls

Motorists in Sioux Falls are seeing $$3.03 per gallon at the pump today for regular gas. This is near the state average the South Dakota state average, driven by local competition and Sioux Falls's proximity to supply infrastructure.

Fuel TypePrice / GallonGradeTrend
Regular Unleaded$3.0387 octane▲ Rising
Mid-Grade$3.5089 octane▲ Rising
Premium$3.7891-93 octane▲ Rising
Diesel$4.10N/A▲ Rising

Price Comparison

Sioux Falls Average
$3.03
Regular Unleaded
South Dakota State Average
$3.00
near the state average
National Average
$3.99
$0.96 below the national average

About Gas Prices in Sioux Falls

Sioux Falls's position in South Dakota gives it Plains supply chain supply chain characteristics. Refinery-direct brands like Valero and wholesale retailers like Costco typically offer the strongest value in the area. Premium brands like Shell and Chevron charge a quality markup that may or may not be worth it depending on your vehicle.

Gas Prices by Brand in This City

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

CHEAPEST
Costco
$2.88
Speedway
$3.00
Circle K
$3.01
Sunoco
$3.04
Marathon
$3.05
BP
$3.07
Mobil
$3.08
Exxon
$3.09
Shell
$3.11
Chevron
$3.13

Fuel Type Prices in This City

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

Gas Prices in Nearby Cities

Sioux City$3.10
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Frequently Asked Questions

A 10-cent savings on 15 gallons equals $1.50. If the cheaper station is 5 miles away and your car gets 25 MPG, the detour costs about 0.4 gallons. Savings above 15 cents per gallon are consistently worth moderate detours.
Most states have price gouging statutes that activate during declared emergencies. Outside of emergency declarations, gas stations set prices based on market conditions. Normal price variation between stations is competition, not gouging.
GasBuddy is the most comprehensive option for Sioux Falls with millions of user-reported prices updated in real time. Waze integrates gas prices into navigation. GetUpside/Upside offers cashback on purchases at qualifying stations.
Each gallon of gas in Sioux Falls, South Dakota includes 18.4 cents in federal excise tax plus {tax} cents in South Dakota state fuel tax — a combined {totalTax} cents per gallon. On a 15-gallon fill-up, you pay ${taxTotal} in fuel taxes alone.
Today's average gas price in Sioux Falls is $$3.03 per gallon for regular unleaded. Premium is approximately ${premPrice} and diesel runs ${dslPrice}. Individual station prices vary by 15-25 cents across the metro area.

Related Gas Price Pages

Gas Prices in South DakotaCheapest Gas in Sioux FallsGas Prices Near Sioux FallsCompare All StatesRegular Unleaded in Sioux FallsPremium Gasoline in Sioux FallsDiesel Fuel in Sioux FallsShell - Sioux FallsExxon - Sioux FallsBP - Sioux FallsChevron - Sioux FallsMobil - Sioux FallsGas Prices in Sioux City