Arizona IFTA Fuel Tax Rate, 2nd Quarter 2026
Arizona's IFTA diesel rate for the 2nd quarter of 2026 is $0.2600 per gallon, unchanged from Q1 2026.
Arizona rate for Q2 2026
Special diesel, Q2 2026
$0.2600
per US gallon, unchanged from Q1 2026
- Diesel tax rate
- $0.2600/gal
- Surcharge
- None listed
- Quarter
- Q2 2026, from Apr 1, 2026
- Change vs last quarter
- unchanged
Notes from the source
Matrix footnote #7 (ARIZONA): ARS 28-5606: Imposition of Motor Fuel Taxes Vehicles less than 3 axles and with declared gross vehicle weight under 26,001 lbs are taxed at $0.18 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.
Arizona vs. its neighbors, Q2 2026
| Jurisdiction | Diesel + surcharge | vs. AZ |
|---|---|---|
| California | $0.9710 | +$0.7110 |
| Utah | $0.3790 | +$0.1190 |
| Colorado | $0.3250 | +$0.0650 |
| 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
Source: IFTA, Inc. Fuel Tax Rate Matrix, 2nd Quarter 2026 · Effective Apr 1, 2026 · 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.