Cheapest Gas in South Dakota
Every South Dakota metro AAA tracks, ranked from the lowest regular price up, observed Oct 21, 2026. The lowest published metro average is $4.14/gal in Sioux Falls.
Cheapest metroSioux Falls$4.14/gal regular
| # | Metro | Regular | Diesel |
|---|---|---|---|
| 1 | Sioux Falls | $4.14 | $6.00 |
| 2 | Rapid City | $4.26 | $6.09 |
| 3 | North Sioux City | $4.28 | $6.11 |