State gas taxes · EIA figures for July 2026
New Mexico gas tax
The 49th highest state gas tax of 51, and 14.9¢ below the state average. With the 18.4¢ federal tax, New Mexico drivers pay 37.28¢ a gallon in fuel tax, about 10% of this week's price.
What makes up the tax on a gallon
| State excise tax | 17.00¢ |
|---|---|
| Other state taxes and fees | 1.88¢ |
| Federal excise tax | 18.40¢ |
| Total per gallon | 37.28¢ |
| On a 15-gallon fill | $5.59 |
| Over a typical year (480 gallons) | $179 |
| Regular gas this week | $3.591 |
From the EIA’s notes for New Mexico: Petroleum Products Loading fee: $150 per 8,000 gallon load on gasoline and special fuels ($0.01875/gal). LOTs allowed, not in effect.
Source: EIA federal and state motor fuel taxes, July 2026. The federal rate has not changed since 1993. County and city taxes are not included, so some drivers pay a little more.
Fuel tax in New Mexico and its neighbours
New Mexico has the lowest fuel tax of its neighbours. Drivers coming in from Colorado pay 11.3¢ a gallon less in state tax here, $1.70 on a 15-gallon fill.
| State | State tax | Versus NM | On a 15-gal tank |
|---|---|---|---|
| New Mexico | 18.9¢ | — | — |
| Arizona | 19.0¢ | +0.1¢ | +$0.02 |
| Oklahoma | 20.0¢ | +1.1¢ | +$0.17 |
| Texas | 20.0¢ | +1.1¢ | +$0.17 |
| Colorado | 30.2¢ | +11.3¢ | +$1.70 |
Where New Mexico sits in the ranking
| 47. Texas | 20.00¢ |
|---|---|
| 48. Arizona | 19.00¢ |
| 49. New Mexico | 18.88¢ |
| 50. Hawaii | 18.50¢ |
| 51. Alaska | 8.95¢ |
Ranked by total state tax per gallon, highest first. See all 51 ranked.
What this means for your driving
Tax is a fixed number of cents on every gallon, so the less fuel you burn, the less of it you pay. A car that gets 30 mpg pays $149 a year in fuel tax over 12,000 miles in New Mexico; a pickup at 19 mpg pays $235.
Work out a trip or a year of driving with the New Mexico fuel cost calculator, or see New Mexico gas prices this week.
New Mexico gas tax questions
- What is the gas tax in New Mexico?
- New Mexico charges 18.88¢ per gallon of gasoline in state tax: 17.00¢ of excise tax plus 1.88¢ in other per-gallon taxes and fees, according to the EIA's table updated July 2026. Add the 18.4¢ federal tax and drivers pay 37.28¢ a gallon in fuel tax.
- How does New Mexico's gas tax compare with other states?
- It is the 49th highest of 51 (the 50 states and D.C.), and 14.9¢ a gallon below the average state tax of 33.8¢.
- How much gas tax does a New Mexico driver pay in a year?
- About $179 in state and federal fuel tax for a typical year of 480 gallons (roughly 12,000 miles at 25 mpg), of which $91 goes to the state. A 15-gallon fill carries $5.59 of tax.
- Is gas tax included in the price at the pump?
- Yes. Federal and state per-gallon fuel taxes are built into the price posted on the sign; they are not added at the register. That is why tax differences between neighbouring states show up directly in pump prices.