Cheapest Gas in South Dakota
Every South Dakota metro AAA tracks, ranked from the lowest regular price up, updated 9/4/26. The cheapest gas in South Dakota right now is $3.82/gal in North Sioux City.
Cheapest metroNorth Sioux City$3.82/gal regular
| # | Metro | Regular | Diesel |
|---|---|---|---|
| 1 | North Sioux City | $3.82 | $5.47 |
| 2 | Sioux Falls | $3.85 | $5.39 |
| 3 | Rapid City | $4.19 | $5.47 |