Marathon Gas Prices in Peoria, IL

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

$3.67

Marathon Regular Unleaded — Est. price in Peoria

About Marathon Fuel

Marathon Petroleum is one of America's largest petroleum refiners, operating Marathon branded stations primarily across the Midwest, Southeast, and East Coast. Marathon's direct refining-to-retail model means their stations benefit from efficient supply chains. Marathon fuel meets all TOP TIER detergent gasoline standards and is particularly well-distributed in Ohio, Michigan, Indiana, and Kentucky.

Marathon Loyalty Program

Marathon MakeItCount rewards program earns points on fuel and in-store purchases. Members can redeem points for cents-per-gallon fuel discounts and store merchandise.

Brand Price Comparison in Peoria

BrandEst. Pricevs. Marathon
Costco$3.50$-0.17
Speedway$3.62$-0.05
Circle K$3.63$-0.04
Sunoco$3.66$-0.01
Marathon THIS PAGE$3.67
BP$3.69+$0.02
Mobil$3.70+$0.03
Exxon$3.71+$0.04
Shell$3.73+$0.06
Chevron$3.75+$0.08

Marathon Prices in Nearby Cities

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Frequently Asked Questions

Shell (V-Power NiTRO+), Chevron (Techron), and Marathon all offer proprietary engine-cleaning additive packages. Controlled studies show meaningful differences between TOP TIER and non-TOP TIER fuels, but less significant differences between competing TOP TIER brands.
Marathon typically prices fuel $0.02 above the local Peoria market average. Current estimated Marathon regular price in Peoria is approximately $$3.67 per gallon.
Marathon MakeItCount rewards program earns points on fuel and in-store purchases. Members can redeem points for cents-per-gallon fuel discounts and store merchandise. Consistent use of the Marathon loyalty program can realistically save 5-15 cents per gallon, adding up to $40-120 annually for a typical driver filling up weekly.
Marathon Petroleum is one of America's largest petroleum refiners, operating Marathon branded stations primarily across the Midwest, Southeast, and East Coast. Marathon's direct refining-to-retail model means their stations benefit from efficient supply chains. Marathon fuel meets all TOP TIER detergent gasoline standards and is particularly well-distributed in Ohio, Michigan, Indiana, and Kentucky. All major brands including Marathon must meet federal minimum fuel standards. TOP TIER certified brands go beyond minimums with enhanced detergency additives proven to reduce engine deposits.

Related Gas Price Pages

All Gas Prices in PeoriaCheapest Gas in PeoriaGas Prices in IllinoisShell in PeoriaExxon in PeoriaBP in PeoriaChevron in PeoriaMobil in PeoriaCostco in PeoriaRegular Unleaded at MarathonPremium Gasoline at MarathonDiesel Fuel at Marathon