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Tuesday, October 20, 2026 · Phoenix, AZ

Arizona Gas Prices Dip for Third Straight Week, but Diesel Nears Record

Gas pumps at a fuel station

PHOENIX — Arizona gas prices fell for a third straight week, but drivers are still paying historically high prices for this time of year, according to AAA.

Maricopa County drivers were averaging $4.66 a gallon for regular, while Cochise County had the state’s lowest average at $4.44.

Diesel in Arizona averaged $6.38 a gallon as of Monday, close to the record $6.44 set Sept. 22. High diesel prices push up costs for trucking, farming and goods delivered across the state.

Nationally, averages ranged from about $3.61 in the cheapest states to $6.17 in California.

Drivers can compare local gas and diesel prices on AAA’s fuel price site before filling up.

Sources: The Arizona Flyover (AAA data), AAA Gas Prices. Thee Arizona Times uses AI-assisted reporting reviewed against the sources listed.

Photo: Harrison Keely / CC BY 4.0 via Wikimedia Commons.

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