Updated April 29, 2026 - EIA Weekly Survey
Diesel Cost per Gallon in New Mexico (2026)
$5.31/GAL
-0.28 vs US average ($5.59)Rank #25 of 50 statesPADD 4
Diesel Tax Breakdown
Federal diesel excise tax24.4c/gal
New Mexico state diesel tax21.0c/gal
Total tax45.4c/gal
Tax as % of price855%
Sources: Federation of Tax Administrators, EIA. Rates as of April 2026.
CALCULATE YOUR FUEL COST IN NEW MEXICO
Use our trip calculator prefilled at $5.31/gal for New Mexico.
Sources: EIA Weekly On-Highway Diesel Fuel Survey, AAA Gas Prices (gasprices.aaa.com), Federation of Tax Administrators diesel tax table. Updated April 29, 2026. State prices are representative averages; actual pump prices vary by retailer and location.