Premium Gasoline Prices in Roswell, GA

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

$3.82

Premium Gasoline (91-93 octane) per gallon

About Premium Gasoline in Roswell

At $$3.82 per gallon, Roswell's premium gasoline is {comparison} the national average for 91+ octane fuel. Premium buyers represent a smaller, less price-sensitive segment — meaning less competitive pressure than regular fuel.

When to Use Premium Gasoline

Best for: high-performance engines

Vehicle types: luxury and performance vehicles

Fuel Price Comparison in Roswell

Fuel TypePricevs. Premium GasolineOctane
Regular Unleaded$3.06$-0.7687
Premium Gasoline THIS PAGE$3.82—91-93
Diesel Fuel$4.14+$0.32N/A

Premium Gasoline in Nearby Cities

Johns Creek$3.57Marietta$3.75Kennesaw$3.71Atlanta$3.52Douglasville$3.40Gainesville$3.56Peachtree City$3.45Rome$3.56
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Frequently Asked Questions

If your car requires premium and you accidentally fill with regular, modern engines have knock sensors that retard timing to prevent damage. You may notice reduced performance and slightly worse fuel economy. Fill with premium on your next fill-up. This is a minor issue if it happens occasionally.
Follow your owner's manual recommendation regardless of whether the car is new. Engine break-in does not require a specific fuel grade. Use what the manufacturer specifies from day one.
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.

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