Typical commuter
12,000 mi · 25 MPG · 480 gal
$90.62
+ $88.80 federal
All states
Jan. 1 2026Rank #48
Jan. 1 2026Rank #48New Mexico Gas Tax 2026
17¢/gal excise + 1.88¢/gal fees = 18.88¢/gal state (37.38¢/gal with federal).
By Sammy S. · Founder · AuthorUpdated for 2026
18.88¢/gal
State total
37.38¢/gal
Combined
$90.62
Annual state tax
#48
National rank
New Mexico gasoline tax breakdown
Excise tax
17¢/gal
Other fees
1.88¢/gal
State total
18.88¢/gal
Combined w/ federal
37.38¢/gal
New Mexico's 18.88¢/gal state total ranks #48 nationally and is below the 33.25¢/gal US average. Federal tax adds 18.5¢/gal everywhere.
Estimated annual gasoline tax in New Mexico
State tax only (federal shown separately). Gallons = miles ÷ MPG.
Higher mileage
15,000 mi · 25 MPG · 600 gal
$113.28
+ $111.00 federal
30 MPG vehicle
12,000 mi · 30 MPG · 400 gal
$75.52
+ $74.00 federal
20 MPG vehicle
12,000 mi · 20 MPG · 600 gal
$113.28
+ $111.00 federal
Default headline: $90.62 state tax at 12,000 miles and 25 MPG (480 gallons).
Key takeaways — New Mexico gas tax
- New Mexico total state gasoline tax is 18.88¢/gal (17¢/gal excise + 1.88¢/gal other fees) in 2026.
- Combined with federal 18.5¢/gal, the tax component is about 37.38¢/gal per gallon.
- National rank #48 (#1 = highest). That is 14.37¢/gal below the 33.25¢/gal US average state tax.
- At 12,000 miles and 25 MPG, state tax is about $90.62 and combined federal+state about $179.42.
- Bordering jurisdictions range from 19¢/gal to 38.55¢/gal in state tax.
- Local fuel taxes and (in CA/OR/WA) LCFS or cap-and-trade costs may raise what you actually pay at the pump.
New Mexico vs neighboring states
Total state gasoline tax for jurisdictions that share a border with New Mexico. New Mexico is 18.88¢/gal (rank #48).
| State | State total | vs NM | Compare |
|---|---|---|---|
| New Mexico | 18.88¢/gal | — | This page |
 Utah | 38.55¢/gal | +19.67¢/gal | vs NM |
 Colorado | 29.18¢/gal | +10.3¢/gal | vs NM |
 Oklahoma | 20¢/gal | +1.12¢/gal | vs NM |
 Texas | 20¢/gal | +1.12¢/gal | vs NM |
 Arizona | 19¢/gal | +0.12¢/gal | vs NM |
*Annual state tax at 12,000 miles and 25 MPG. Federal tax excluded from the delta column.
New Mexico tax on a typical fill-up
Tax dollars already included in the pump price at 18.88¢/gal state + federal.
10-gallon fill-up
$1.89
state · $3.74 w/ federal
15-gallon fill-up
$2.83
state · $5.61 w/ federal
20-gallon fill-up
$3.78
state · $7.48 w/ federal
How to read this page
New Mexico gas tax overview (2026)
New Mexico charges a total statewide gasoline tax of 18.88¢/gal as of January 1, 2026, per Tax Foundation Table 22. That breaks down to 17¢/gal in excise and 1.88¢/gal in other per-gallon fees.
Add the federal 18.5¢/gal for a combined tax component of 37.38¢/gal. Wholesale crude, refining, and station margins still make up most of the retail price.
Rank #48 places New Mexico 14.37¢/gal below the 33.25¢/gal average across all 51 jurisdictions in this dataset.
What drivers in New Mexico pay over a year
Using 12,000 miles at 25 MPG (480 gallons), state gasoline tax alone is about $90.62. Federal tax on the same gallons is about $88.80.
A 15-gallon fill-up carries roughly $2.83 in state tax ($5.61 including federal)—before any local add-ons.
If you often cross into Utah, Colorado, Oklahoma, compare those rates before assuming New Mexico is always the cheapest fill.
Planning fuel costs in New Mexico
Track miles and MPG for a realistic gallons estimate; tax scales directly with gallons purchased.
Diesel, aviation gasoline, and dyed fuel follow different federal and often different state schedules.
For tax-deductible business miles, use the IRS standard mileage rate or actual expenses—gas tax is already embedded in fuel cost and is not a separate personal income-tax line.
Who this New Mexico gas tax page helps
Useful if…
- •Residents of New Mexico estimating how much of each fill-up is tax.
- •Commuters weighing New Mexico against a neighboring state’s pump taxes.
- •Small fleets budgeting annual fuel tax at known mileage.
- •Movers comparing offer packages that include a car commute.
Use official tools if…
- •You need an official refund, bonded fuel, or IFTA filing.
- •Your city adds a local fuel tax not in the statewide table.
- •You primarily buy diesel or alternative fuels.
- •You need a live retail price forecast rather than statutory rates.
New Mexico gas tax checklist
Quick steps before treating the statewide average as your exact pump tax.
- 1Confirm New Mexico's 18.88¢/gal state total and rank #48.
- 2Add federal 18.5¢/gal for a 37.38¢/gal combined tax component.
- 3Estimate annual cost with your miles ÷ MPG × rate.
- 4Ask whether local fuel taxes apply at your usual stations.
- 5Compare New Mexico with a peer or neighbor before relocating for fuel savings alone.
- 6Recheck rates after mid-year reindexes if your state adjusts for inflation.
States with similar gasoline tax rates
Hawaii
Louisiana
MississippiCompare New Mexico with another state
Compare any two states
State gasoline tax rates with annual driving-cost estimates.
New Mexico gasoline tax FAQs
New Mexico's total state gasoline tax is 18.88¢/gal in 2026: 17¢/gal excise plus 1.88¢/gal in other per-gallon fees.
37.38¢/gal per gallon (18.88¢/gal state + 18.5¢/gal federal).
At 12,000 miles and 25 MPG (480 gallons), state tax is about $90.62 and federal tax about $88.80, for $179.42 combined.
New Mexico ranks #48 by total state gasoline tax among the 50 states, where #1 is the highest rate. Equal totals may share a rank or receive consecutive ranks in the Tax Foundation table.
This table excludes county and municipal fuel taxes. Some cities or counties add separate per-gallon levies not reflected in the statewide total.
Federal diesel tax is 24.5¢/gal. New Mexico may use a different diesel excise or fee schedule than the gasoline total shown here.
New Mexico's 18.88¢/gal is below the 33.25¢/gal average across all jurisdictions in this dataset.
Rates are statewide totals as of January 1, 2026 from Tax Foundation Table 22. Local fuel taxes, diesel-specific schedules, and implied environmental program costs (notably in CA, OR, and WA) may not be fully captured.
About $2.83 in state tax and $5.61 including federal 18.5¢/gal—already in the pump price.
Nearby state totals: Utah 38.55¢/gal (+19.67¢/gal vs NM); Colorado 29.18¢/gal (+10.3¢/gal vs NM); Oklahoma 20¢/gal (+1.12¢/gal vs NM); Texas 20¢/gal (+1.12¢/gal vs NM); Arizona 19¢/gal (+0.12¢/gal vs NM). Open a compare page for annual dollar gaps.
Many states periodically adjust excise rates; this page reflects Tax Foundation’s January 1, 2026 snapshot. Confirm the current statute or revenue department notice for the latest cents-per-gallon figure.
Personal commuting fuel is generally not deductible. Business or self-employed drivers usually claim the standard mileage rate or actual fuel expenses (which already include gas tax), not a separate state gas-tax credit.