Premium Gasoline Prices in Hillsboro, OR

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

$4.68

Premium Gasoline (91-93 octane) per gallon

About Premium Gasoline in Hillsboro

Premium gasoline (91-93 octane) costs $$4.68 per gallon in Hillsboro, Oregon today. High-performance and luxury vehicles depend on premium's higher octane rating to prevent knock and maintain the performance they're engineered to deliver.

When to Use Premium Gasoline

Best for: high-performance engines

Vehicle types: luxury and performance vehicles

Fuel Price Comparison in Hillsboro

Fuel TypePricevs. Premium GasolineOctane
Regular Unleaded$3.75$-0.9387
Premium Gasoline THIS PAGE$4.68—91-93
Diesel Fuel$5.08+$0.40N/A

Premium Gasoline in Nearby Cities

Beaverton$4.68Portland$4.66Vancouver$4.86Gresham$4.80Salem$4.43
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Frequently Asked Questions

Vehicles requiring Premium Gasoline typically include luxury and performance vehicles. 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 Premium Gasoline. If your manual specifies Premium Gasoline, the investment protects your engine.
Premium Gasoline in Hillsboro is currently priced at approximately $$4.68 per gallon. Nearby cities have comparable prices within 10-15 cents depending on their state's tax structure and local competition.
Premium Gasoline costs more due to the additional refining required to achieve its specifications. Higher octane fuel requires more complex blending processes. The markup reflects real production costs, not arbitrary station pricing.

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