Rapid City, South Dakota Gas Price Today

Today's gas price in Rapid City, South Dakota is $4.612 per gallon for regular unleaded fuel. Midgrade gasoline averages $5.212, premium fuel is $5.673, and diesel is $5.304 per gallon. These local prices help you find gas prices near me updated every morning.

Rapid City's regular gas price of $4.612 per gallon is $0.171 per gallon below the South Dakota state average of $4.783 per gallon. Local price differences reflect competition between stations, fuel delivery costs, and proximity to regional supply terminals in your area.

Rapid City's price of $4.612 per gallon is $0.560 per gallon above the national average of $4.052 per gallon. This price gap is influenced by South Dakota's state fuel taxes, regional refining capacity, and the geographic location of the metro area itself.