← Arizona tax rules›Gas Tax

Arizona Gas Tax (2026)

Permitted: State gasoline (motor vehicle fuel) tax is 18 cents/gallon (A.R.S. § 28-5606); heavy 'use class' vehicles pay 26 cents/gallon.

PermittedVerified Jul 3, 2026

Tax rules change at the state line — and in your state.Track them in the free LawLert iPhone app: it alerts you when you cross into a state where they differ, and when they change in your state. No account.Get the app

State gasoline (motor vehicle fuel) tax is 18 cents/gallon (A.R.S. § 28-5606); heavy 'use class' vehicles pay 26 cents/gallon. A separate 1 cent/gallon underground storage tank tax (A.R.S. § 49-1031) brings the pump total to about 19 cents/gallon (excludes the 18.4 cent federal tax).

Official source: azleg.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Gas Tax in states bordering Arizona

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

CaliforniaConditional
California's state motor vehicle fuel (gasoline) excise tax is 63.4 cents/gallon effective July 1, 2026 (CDTFA adjusts this rate annually for inflation). State and local sales tax also applies to gasoline, and cap-and-trade and Low Carbon Fuel Standard programs add further per-gallon cost (excludes the 18.4 cent federal tax).
Verified Jul 3, 2026 · Source: cdtfa.ca.gov · Full California rule →
ColoradoInfo
About 30.2 cents/gallon in total state taxes and fees on regular gasoline: 22c excise + 6c road-usage fee (stepped up July 1, 2026) + about 2.2c in environmental, PFAS and fuel-impact fees (excludes the 18.4c federal tax).
Verified Jul 5, 2026 · Source: tax.colorado.gov · Full Colorado rule →
NevadaInfo
23.81 cents/gallon in statewide gasoline taxes and fees (23c state excise + 0.75c cleanup fee + 0.055c inspection fee); counties add option and indexed taxes — for FY27 (from July 1, 2026) county-added taxes total ~39.8c in Clark and ~67.8c in Washoe. Excludes the 18.4c federal tax.
Verified Jul 16, 2026 · Source: dmv.nv.gov · Full Nevada rule →
New MexicoPermitted
18.9 cents/gallon state gasoline tax (17c excise + ~1c+ petroleum loading fee); excludes the 18.4c federal tax.
Verified Aug 2, 2026 · Source: tax.newmexico.gov · Full New Mexico rule →
UtahInfo
31.9 cents/gallon state motor-fuel tax in effect July 1-Dec 31, 2026 - temporarily reduced from the 37.9c rate that applied Jan 1-Jun 30, 2026, per the Utah State Tax Commission rate table (listed as a separate Jul-Dec 2026 rate). Excludes the 18.4c federal tax.
Verified Jul 2, 2026 · Source: tax.utah.gov · Full Utah rule →

Don't get caught off guardCross into a state where this law is different and the free iPhone app tells you what changed, even with the app closed. It also alerts you when a law you track changes where you live. No account.Get the free app

Track this law — get alerted when it changes

We watch the official sources behind Arizona taxes rules. If a tracked rule changes, you get one short email — never more than one a week. Free, unsubscribe anytime.