Premium Gasoline Prices in Des Plaines, IL

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

$4.52

Premium Gasoline (91-93 octane) per gallon

About Premium Gasoline in Des Plaines

Premium 91-93 octane fuel costs $$4.52 in Des Plaines, Illinois as of {month} {year}. Sports cars, turbocharged luxury vehicles, and high-compression engines benefit most — standard commuter vehicles gain nothing from the upgrade.

When to Use Premium Gasoline

Best for: high-performance engines

Vehicle types: luxury and performance vehicles

Fuel Price Comparison in Des Plaines

Fuel TypePricevs. Premium GasolineOctane
Regular Unleaded$3.62$-0.9087
Premium Gasoline THIS PAGE$4.52—91-93
Diesel Fuel$4.90+$0.38N/A

Premium Gasoline in Nearby Cities

Evanston$4.33Schaumburg$4.47Chicago$4.13Elgin$4.45Naperville$4.28Waukegan$4.30Aurora$4.18Joliet$4.15
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Frequently Asked Questions

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. Des Plaines's current price of $$4.52 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.
Mixing grades is generally fine in practice — your engine's knock sensors will adjust timing accordingly. If your vehicle requires premium and you add some regular, no immediate damage occurs. Consistently running below the required octane in a performance engine is not recommended long-term.

Related Gas Price Pages

All Fuel Types in Des PlainesGas Prices in IllinoisCheapest Premium Gasoline in Des PlainesCompare All StatesRegular Unleaded in Des PlainesDiesel Fuel in Des PlainesShell Premium Gasoline - Des PlainesExxon Premium Gasoline - Des PlainesBP Premium Gasoline - Des PlainesChevron Premium Gasoline - Des Plaines