New Mexico IFTA Fuel Tax Rate, 2nd Quarter 2026
New Mexico's IFTA diesel rate for the 2nd quarter of 2026 is $0.2100 per gallon, unchanged from Q1 2026.
New Mexico rate for Q2 2026
Special diesel, Q2 2026
$0.2100
per US gallon, unchanged from Q1 2026
- Diesel tax rate
- $0.2100/gal
- Surcharge
- None listed
- Quarter
- Q2 2026, from Apr 1, 2026
- Change vs last quarter
- unchanged
Notes from the source
Matrix footnote #33 (NEW MEXICO): For each gallon of alternative fuel distributed in New Mexico, the tax imposed by Subsection A of this section shall be: (1) for alternative fuel that is compressed natural gas, thirteen and three-tenths cents ($.133) per gallon. (2) for alternative fuel that is liquefied natural gas, twenty and six-tenths cents ($.206) per gallon; and (3) for alternative fuel not described in Paragraph (1) or (2) of this subsection, twelve cents ($.12) per gallon
Worked example: the New Mexico 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 New Mexico, and 100 gallons bought there.
New Mexico vs. its neighbors, Q2 2026
| Jurisdiction | Diesel + surcharge | vs. NM |
|---|---|---|
| Utah | $0.3790 | +$0.1690 |
| Colorado | $0.3250 | +$0.1150 |
| Arizona | $0.2600 | +$0.0500 |
| New Mexico | $0.2100 | — |
| Texas | $0.2000 | −$0.0100 |
| Oklahoma | $0.1900 | −$0.0200 |
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.
New Mexico 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. New Mexico'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.