Premium Gasoline Prices in Milwaukee, WI

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

$3.78

Premium Gasoline (91-93 octane) per gallon

About Premium Gasoline in Milwaukee

Premium gasoline (91-93 octane) costs $$3.78 per gallon in Milwaukee, Wisconsin 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 Milwaukee

Fuel TypePricevs. Premium GasolineOctane
Regular Unleaded$3.03$-0.7587
Premium Gasoline THIS PAGE$3.78—91-93
Diesel Fuel$4.10+$0.32N/A

Premium Gasoline in Nearby Cities

Racine$3.76Kenosha$3.55Waukegan$4.30Des Plaines$4.52Evanston$4.33Schaumburg$4.47Elgin$4.45Madison$3.67
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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. Milwaukee's current price of $$3.78 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

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