Back to All Tax Rates
IFTA fuel tax rates and information for Arizona
| Diesel | $0.2600 per gallon |
| Gasoline | $0.1800 per gallon |
Rates effective as of 2025-10-01. Rates are subject to change quarterly.
Abbreviation
AZ
Country
United States
Region
Southwest
Timezone
Mountain
When traveling through Arizona, you may also need to track miles in these neighboring jurisdictions:
Arizona is a member of the International Fuel Tax Agreement (IFTA). Motor carriers operating qualified vehicles in Arizona must report all miles traveled and fuel purchased in the state on their quarterly IFTA returns.
Fuel purchased in Arizona generates a tax credit at the rate of $0.2600/gallon for diesel. If you travel more miles in Arizona 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.
Use our free calculator to determine your tax liability for AZ.