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SDUnited States

South Dakota

IFTA fuel tax rates and information for South Dakota

Current Tax Rates

Diesel

$0.2800

per gallon

Gasoline

$0.2800

per gallon

Rates effective as of 2025-10-01. Rates are subject to change quarterly.

State Information

Abbreviation

SD

Country

United States

Region

Midwest

Timezone

Central

Neighboring Jurisdictions

When traveling through South Dakota, you may also need to track miles in these neighboring jurisdictions:

Iowa

IA

Minnesota

MN

Montana

MT

North Dakota

ND

Nebraska

NE

Wyoming

WY

IFTA in South Dakota

South Dakota is a member of the International Fuel Tax Agreement (IFTA). Motor carriers operating qualified vehicles in South Dakota must report all miles traveled and fuel purchased in the state on their quarterly IFTA returns.

Fuel purchased in South Dakota generates a tax credit at the rate of $0.2800/gallon for diesel. If you travel more miles in South Dakota than the fuel you purchased would cover, you'll owe additional tax. If you purchased more fuel than you used, you'll receive a credit.