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Haul Math

Arizona IFTA Fuel Tax Rate, 1st Quarter 2025

Arizona's IFTA diesel rate for the 1st quarter of 2025 is $0.2600 per gallon, unchanged from Q4 2024.

Arizona rate for Q1 2025

Special diesel, Q1 2025

$0.2600

per US gallon, unchanged from Q4 2024

Diesel tax rate
$0.2600/gal
Surcharge
None listed
Quarter
Q1 2025, from Jan 1, 2025
Change vs last quarter
unchanged
Notes from the source

Matrix footnote #7 (ARIZONA): Vehicles less than 3 axles and with declared Gross Vehicle Weight under 26,001 lbs are taxed at $.18 per gallon.

Worked example: the Arizona line of your IFTA return

Change the numbers to match your quarter. Prefilled with 10,000 total miles on 1,550 gallons, 1,200 of those miles in Arizona, and 100 gallons bought there.

Example numbers are filled in. Tap "Calculate Arizona IFTA" to see the Arizona line of an IFTA return at the Q1 2025 rate.

Arizona vs. its neighbors, Q1 2025

IFTA diesel rates for Arizona and bordering jurisdictions, Q1 2025
JurisdictionDiesel + surchargevs. AZ
California$1.0230+$0.7630
Utah$0.3850+$0.1250
Colorado$0.2850+$0.0250
Nevada$0.2700+$0.0100
Arizona$0.2600—
New Mexico$0.2100−$0.0500

On an IFTA return, a higher rate doesn't mean you pay more overall. Fuel you buy in a high-rate state earns a bigger credit. What matters is where you burn the fuel versus where you buy it.

Arizona rate, last 4 quarters

Arizona IFTA diesel rate by quarter
QuarterDieselSurchargeChange
Q2 2024$0.2600——
Q3 2024$0.2600—no change
Q4 2024$0.2600—no change
Q1 2025$0.2600—no change

Source: IFTA, Inc. Fuel Tax Rate Matrix, 1st Quarter 2025 · Effective Jan 1, 2025 · Last verified Sep 28, 2026

IFTA, Inc. publishes the rates each member jurisdiction reports. Arizona's tax agency is the final word on its rate.

Estimates for planning. Confirm with your tax pro or your base jurisdiction's IFTA office before filing.