Regular Unleaded Prices in Marietta, GA

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

$3.00

Regular Unleaded (87 octane) per gallon

About Regular Unleaded in Marietta

Regular unleaded is priced at $$3.00 per gallon in Marietta, Georgia right now. The 87-octane grade is suitable for the vast majority of passenger vehicles and is always the cheapest option at the pump.

When to Use Regular Unleaded

Best for: everyday driving

Vehicle types: most cars and trucks

Fuel Price Comparison in Marietta

Fuel TypePricevs. Regular UnleadedOctane
Regular Unleaded THIS PAGE$3.00—87
Premium Gasoline$3.75+$0.7591-93
Diesel Fuel$4.06+$1.06N/A

Regular Unleaded in Nearby Cities

Kennesaw$2.97Roswell$3.06Atlanta$2.82Douglasville$2.72Johns Creek$2.86Peachtree City$2.76Rome$2.85Newnan$2.92
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Frequently Asked Questions

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.
{octaneInfo} Octane rating measures a fuel's resistance to premature ignition (knock). Standard regular is 87, mid-grade is 89-90, and premium is 91-93 in the United States.
Use GasBuddy and filter by fuel type to see current Regular Unleaded prices at stations near your location in Marietta. Warehouse clubs and high-volume discount stations typically offer the best Regular Unleaded prices.

Related Gas Price Pages

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