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Haul Math

Alabama IFTA Fuel Tax Rate, 4th Quarter 2025

Alabama's IFTA diesel rate for the 4th quarter of 2025 is $0.3100 per gallon, up $0.0100 from Q3 2025.

Alabama rate for Q4 2025

Special diesel, Q4 2025

$0.3100

per US gallon, up $0.0100 from Q3 2025

Diesel tax rate
$0.3100/gal
Surcharge
None listed
Quarter
Q4 2025, from Oct 1, 2025
Change vs last quarter
up $0.0100
Notes from the source

Matrix footnote #35 (ALABAMA): The Rebuild Alabama Act - Levies an incremental excise tax increase on gasoline and diesel fuel beginning September 1, 2019. The rate increases by $0.06 on 9/1/19, $0.02 on 10/1/2020 and $0.02 on 10/1/2021. Beginning October 1, 2023, and July 1 every other year thereafter, index of $0.01 per gallon increase or decrease based upon National Highway Construction Cost Index. New distribution for additional excise tax. Floor stocks tax return due on the last day of the third month following the tax increase. Due date for TXT returns changed from the 22nd to the 20th. ADOR required to notify taxpayer of rate change on or before March 1. Maximum bond for suppliers is $3,000,000 beginning 9/1/2019. Effective January 1, 2020, an annual license tax and registration fee is imposed on each battery electric vehicle ($200) and each plug-in hybrid electric vehicle ($100) operated on Alabama public highways. Beginning July 1, 2023 and every fourth year thereafter, the additional license tax and registration fee shall increase by three dollars ($3). In no case shall the battery electric vehicle fee be reduced to less than $150 and the plug-in hybrid electric vehicle fee be reduced to less than $75.

Worked example: the Alabama 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 Alabama, and 100 gallons bought there.

Example numbers are filled in. Tap "Calculate Alabama IFTA" to see the Alabama line of an IFTA return at the Q4 2025 rate.

Alabama vs. its neighbors, Q4 2025

IFTA diesel rates for Alabama and bordering jurisdictions, Q4 2025
JurisdictionDiesel + surchargevs. AL
Florida$0.4027+$0.0927
Georgia$0.3710+$0.0610
Alabama$0.3100—
Tennessee$0.2700−$0.0400
Mississippi$0.2100−$0.1000

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.

Alabama rate, last 4 quarters

Alabama IFTA diesel rate by quarter
QuarterDieselSurchargeChange
Q1 2025$0.3000——
Q2 2025$0.3000—no change
Q3 2025$0.3000—no change
Q4 2025$0.3100—+$0.0100

Source: IFTA, Inc. Fuel Tax Rate Matrix, 4th Quarter 2025 · Effective Oct 1, 2025 · Last verified Sep 28, 2026

IFTA, Inc. publishes the rates each member jurisdiction reports. Alabama'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.