South Dakota Gas Price Today
Prices Updates Daily
Today's South Dakota Gas Price Average
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Gas Prices by City in South Dakota
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| City / Metro | Regular | Midgrade | Premium | Diesel |
|---|---|---|---|---|
| North Sioux City | $3.600▲ +$0.01 | $3.716▲ +$0.01 | $4.239▲ +$0.02 | $3.915▲ +$0.03 |
| Rapid City | $3.848▼ -$0.03 | $4.013▼ -$0.03 | $4.488▼ -$0.01 | $4.501▼ -$0.02 |
| Sioux Falls | $3.426▼ -$0.03 | $3.929▲ +$0.03 | $4.344▼ -$0.01 | $3.853▲ +$0.02 |
How Does South Dakota's Gas Price Compare to the National Average?
The national average gas price today is $3.790/gal for regular unleaded. South Dakota's average of $3.654/gal is 0.136/gal lower than the national average. Factors such as state fuel taxes, refinery access, and distribution costs contribute to this difference.
Frequently Asked Questions
What is the gas price in South Dakota today?▼
Today's average gas price in South Dakota is $3.654 per gallon for regular unleaded fuel. Midgrade averages $3.907, premium is $4.383, and diesel is $4.185 per gallon. Prices are currently trending up and updated daily from official data across the state.
Is gas cheaper in South Dakota than the national average?▼
South Dakota's regular gas price of $3.654 per gallon is $0.136 per gallon lower than the national average of $3.790. This price difference stems from state fuel tax rates, proximity to refineries, and regional supply chain factors that vary by location.
Which city in South Dakota has the cheapest gas prices?▼
Sioux Falls has the cheapest gas in South Dakota today at $3.426 per gallon. Prices can vary within states due to local competition, distribution costs, and proximity to supply terminals. Use the map to find gas prices near me in your area.
Why is diesel more expensive than regular gas in South Dakota?▼
Diesel in South Dakota is $4.185 per gallon while regular gasoline is $3.654 per gallon. Diesel pricing reflects higher refining costs, increased federal and state diesel taxes, and seasonal demand from the trucking and agriculture sectors that can push prices above gasoline.