Premium Gasoline Prices in San Diego, CA

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

$5.63

Premium Gasoline (91-93 octane) per gallon

About Premium Gasoline in San Diego

The going premium gas rate in San Diego is $$5.63 per gallon today. The spread between premium and regular reflects real production costs — not arbitrary markup by stations.

When to Use Premium Gasoline

Best for: high-performance engines

Vehicle types: luxury and performance vehicles

Fuel Price Comparison in San Diego

Fuel TypePricevs. Premium GasolineOctane
Regular Unleaded$4.51$-1.1287
Premium Gasoline THIS PAGE$5.63—91-93
Diesel Fuel$6.10+$0.47N/A

Premium Gasoline in Nearby Cities

Chula Vista$5.66Irvine$5.81Santa Ana$5.80Riverside$5.71Anaheim$5.58Long Beach$5.85San Bernardino$5.68Fontana$5.93
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Frequently Asked Questions

Check your vehicle's owner manual or the inside of your fuel door. Required means you must use that grade to avoid damage. Recommended means optimal performance uses that grade but lower grades are tolerable. Regular means 87 octane is sufficient.
For vehicles designed to use Premium Gasoline, using the correct grade maintains engineered fuel economy. Upgrading from regular to premium in a regular-fuel car produces no economy improvement. Using regular in a premium-required car may reduce fuel economy slightly.
National Premium Gasoline prices average ${natPrice} per gallon. San Diego's current price of $$5.63 is {comparison} the national average. Regional refinery access and state tax differences drive most of the variation.
TOP TIER certification means the fuel exceeds EPA minimum detergency standards. Studies suggest TOP TIER fuels meaningfully reduce engine deposits vs. minimum-standard fuels. Most major brands (Shell, Chevron, BP, Costco) are TOP TIER certified.

Related Gas Price Pages

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