CostHowMuchAll estimates

Asked as “How much does a gallon of regular gasoline cost in California” · last updated 9/13/2026

Market estimate · USD

Regular unleaded gasoline (87 octane)

California, United States · per per US gallon

Low confidence40% certainty

Limited public pricing matched this item. Try a more common name or add a location.

Low$4
Typical$5
High$6

For budgeting, estimate about $4.80 per US gallon of regular gasoline in California, with a rough range of $4.20–$5.80. These are approximate estimates based on historical price patterns in my training knowledge, not a verified current statewide average. Gasoline prices change frequently, and individual stations may charge outside this range.

This is a budgeting estimate, not a guaranteed quote or verified current price.

Check current local listings and the pump price before purchasing.

Cost factors

  • Crude oil prices and wholesale gasoline costs

  • California fuel taxes and environmental compliance costs

  • Seasonal gasoline blends and refinery maintenance or outages

  • Local competition, neighborhood, and proximity to highways

  • Cash versus credit pricing and membership discounts

Alternatives

Warehouse-club gasoline

Often cheaper than nearby branded stations, but a paid membership may be required.

Independent or cash-discount station

May offer lower prices; confirm whether the advertised price requires cash.

Premium gasoline

Usually more expensive than regular; follow your vehicle manufacturer's octane requirements.

Where to look

  • Costco Gasoline

    Example retailer, not a verified offer; prices and availability vary by warehouse.

  • Chevron

    Example retailer, not a verified offer; check the specific station's posted regular-grade price.

Sources (2)

  • California Gas Prices

    AAA · Publishes statewide and regional gasoline averages. Not accessed live for this estimate.

  • Gasoline and Diesel Fuel Update

    U.S. Energy Information Administration · Publishes weekly retail fuel price data, including California gasoline prices. Not accessed live for this estimate.

This is an AI-generated estimate for planning purposes. Prices vary by region, vendor, timing, and your specific situation. Confirm with providers before buying.

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Estimates for guidance only · Confirm prices locally