U.S. state · U.S.
As of early October 2026, a gallon of regular gasoline in South Dakota averages $4.22 — that is $1.11 per litre, and ranks #54 of 225 places we track, where #1 is the cheapest.
Mid-range U.S. state
South Dakota is near the U.S. average. State fuel taxes and supply costs here are middle-of-the-road, so the price mostly tracks national wholesale gasoline.
An estimated split of a $4.22 gallon in South Dakota. Crude oil trades as one global price, so the part that differs between countries is mostly tax.
| Component | Per gallon | Per litre |
|---|---|---|
| Crude | $2.24 | $0.59 |
| Refining | $0.59 | $0.16 |
| Distribution | $0.91 | $0.24 |
| Tax | $0.48 | $0.13 |
| Pump price | $4.22 | $1.11 |
| Comparison | Per gallon | Difference |
|---|---|---|
| South Dakota | $4.22 | — |
| World average of all 225 | $5.55 | −$1.33 |
| U.S. average | $4.38 | −$0.16 |
| Cheapest anywhere — Libya | $0.09 | −$4.13 |
| Priciest anywhere — Hong Kong | $16.70 | +$12.48 |