South Dakota gas prices
Current local gas prices may vary across South Dakota.
This page provides general gas price guidance and local fuel checklists for South Dakota. When reliable state averages are available, this page can show generated gas price data; otherwise it avoids unverified station prices, discounts, station rankings, and real-time local price claims.
Data status
Live gas price averages are not currently displayed on this page.
Regular average
$4.03
Premium average
$4.75
Diesel average
$4.80
Updated: June 9, 2026
Source: AAA Gas Prices
Price context
Gas prices across South Dakota can change for several reasons. This page explains the main factors without showing unverified live prices.
State and local taxes
Fuel taxes and local fees can affect the price drivers see at the pump.
City and station location
Prices can differ by city, neighborhood, highway exit, station brand, and local competition.
Fuel type
Regular, premium, and diesel are separate fuel types and should be compared separately.
Supply and demand
Regional demand, travel patterns, and local availability can affect prices.
Seasonal travel
Holiday weekends, summer driving, and major travel periods can put pressure on local fuel markets.
Refinery or distribution conditions
When generally relevant, refinery maintenance, distribution issues, or transport constraints can affect regional prices.
Before filling up
Current prices can change quickly. Before buying fuel, compare the details that can affect the final price you pay.
Regular vs. premium vs. diesel
Compare the fuel type your vehicle uses instead of assuming all fuel prices move the same way.
Nearby station prices
Check more than one nearby station when you need the most current local price.
Cash vs. card prices
Some stations may display different prices depending on payment method.
Membership discounts
Warehouse clubs, rewards programs, and retailer memberships may affect the final price.
Local fuel availability
Availability can vary by station, especially during disruptions, severe weather, or high-demand periods.
Planned data fields
This page will be expanded as reliable gas price sources are added. Unverified gas prices, station data, averages, or discounts are not displayed.
Regular gas average
Use this as a checklist before verifying current prices with a reliable local source.
Premium gas average
Use this as a checklist before verifying current prices with a reliable local source.
Diesel prices
Use this as a checklist before verifying current prices with a reliable local source.
Weekly price comparison
Use this as a checklist before verifying current prices with a reliable local source.
Cheapest cities or stations when reliable data is available
Use this as a checklist before verifying current prices with a reliable local source.
Navigation
Related utility pages
South Dakota weather
Check state-capital weather context before driving or filling up.
Daily updates for South Dakota
Browse daily utility information and state-level resources.
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