Regular Unleaded Prices in Phoenix, AZ

Updated April 5, 2026 — Prices updated regularly from EIA data

$3.10

Regular Unleaded (87 octane) per gallon

About Regular Unleaded in Phoenix

The current regular unleaded price in Phoenix is $$3.10 per gallon. This 87-octane grade represents the baseline fuel tier — abundant, competitive, and appropriate for most vehicles on American roads today.

When to Use Regular Unleaded

Best for: everyday driving

Vehicle types: most cars and trucks

Fuel Price Comparison in Phoenix

Fuel TypePricevs. Regular UnleadedOctane
Regular Unleaded THIS PAGE$3.10—87
Premium Gasoline$3.87+$0.7791-93
Diesel Fuel$4.20+$1.10N/A

Regular Unleaded in Nearby Cities

Tempe$3.02Glendale$3.35Scottsdale$3.29Peoria$3.07Mesa$3.21Chandler$3.32Gilbert$3.08Surprise$3.04
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Frequently Asked Questions

Follow your owner's manual recommendation regardless of whether the car is new. Engine break-in does not require a specific fuel grade. Use what the manufacturer specifies from day one.
Vehicles requiring Regular Unleaded typically include most cars and trucks. Your owner's manual and the label inside your fuel door specify the required grade. Using a lower octane than required can cause engine knock and reduce performance over time.
Only if your vehicle requires or recommends it. For vehicles designed for regular 87 octane, there is no measurable performance benefit from upgrading to Regular Unleaded. If your manual specifies Regular Unleaded, the investment protects your engine.
Regular Unleaded in Phoenix is currently priced at approximately $$3.10 per gallon. Nearby cities have comparable prices within 10-15 cents depending on their state's tax structure and local competition.

Related Gas Price Pages

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