Costco Gas Prices in Peoria, IL

Shell (V-Power NiTRO+), Chevron (Techron), and Costco 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.

Costco typically prices fuel $0.15 below the local Peoria market average. Current estimated Costco regular price in Peoria is approximately $$3.50 per gallon.

Costco membership required ($65/year individual or $130/year Executive). Executive members earn 2% back on all Costco purchases including fuel. For a family filling up weekly, fuel savings alone often exceed the membership cost. Consistent use of the Costco loyalty program can realistically save 5-15 cents per gallon, adding up to $40-120 annually for a typical driver filling up weekly.

Costco Wholesale operates fuel stations at most of its warehouse locations, offering some of the consistently lowest gas prices in America. Costco's massive purchasing power allows it to undercut traditional retail stations by 10-25 cents per gallon. Costco fuel meets TOP TIER detergent standards and is the same quality as brand-name alternatives at a significant discount. All major brands including Costco must meet federal minimum fuel standards. TOP TIER certified brands go beyond minimums with enhanced detergency additives proven to reduce engine deposits.