South Dakota IFTA Calculator
South Dakota IFTA fuel tax rates, Q3 2026
| Fuel type | Rate per gallon | Change from last quarter |
|---|---|---|
| Diesel | $0.2800 | No change |
| Gasoline | $0.2800 | No change |
| Propane (LPG) | $0.2000 | No change |
| LNG | $0.1400 | No change |
| CNG | $0.1000 | No change |
| Biodiesel | $0.2800 | No change |
- Diesel rate rank among IFTA jurisdictions
- 40 of 57
- Administered by
- South Dakota Department of Revenue
- State agency IFTA page
- dor.sd.gov
Calculate your South Dakota IFTA tax
Return due Nov 2, 2026
The state that issued your IFTA license. It appears on your worksheet.
- Total miles
- 0
- Total gallons
- 0
- Fleet MPG
- —
Diesel tax in neighboring jurisdictions
| Jurisdiction | Effective rate per gallon | Compared with here |
|---|---|---|
| Iowa (IA) | $0.3250 | +$0.0450 |
| Minnesota (MN) | $0.3260 | +$0.0460 |
| Montana (MT) | $0.2975 | +$0.0175 |
| North Dakota (ND) | $0.2300 | -$0.0500 |
| Nebraska (NE) | $0.3180 | +$0.0380 |
| Wyoming (WY) | $0.2400 | -$0.0400 |
Diesel rate by quarter
| Quarter | Rate per gallon |
|---|---|
| Q3 2026 | $0.2800 |
| Q2 2026 | $0.2800 |
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