Updated May 20, 2026 — Prices updated regularly from EIA data
$3.65
Average Regular Unleaded — Peoria, Illinois
Current Gas Prices in Peoria
Regular unleaded in Peoria, Illinois costs approximately $$3.65 per gallon today. Peoria's fuel market is competitive, with warehouse clubs and high-volume stations consistently undercutting the local average.
Fuel Type
Price / Gallon
Grade
Trend
Regular Unleaded
$3.65
87 octane
▼ Falling
Mid-Grade
$4.12
89 octane
▲ Rising
Premium
$4.43
91-93 octane
▬ Stable
Diesel
$4.55
N/A
▼ Falling
Price Comparison
Peoria Average
$3.65
Regular Unleaded
Illinois State Average
$3.36
$0.29 above the Illinois average
National Average
$4.49
$0.84 below the national average
About Gas Prices in Peoria
Price variation within Peoria is substantial — often 20-30 cents per gallon between the cheapest and most expensive stations in the same neighborhood. This spread makes price-checking apps genuinely valuable for Peoria drivers. The savings on a 15-gallon fill-up at the low end vs. high end can exceed $4.
Gas Prices by Brand in This City
Estimated prices based on brand modifiers. Sorted cheapest to most expensive.
Each gallon of gas in Peoria, Illinois includes 18.4 cents in federal excise tax plus {tax} cents in Illinois state fuel tax — a combined {totalTax} cents per gallon. On a 15-gallon fill-up, you pay ${taxTotal} in fuel taxes alone.
Today's average gas price in Peoria is $$3.65 per gallon for regular unleaded. Premium is approximately ${premPrice} and diesel runs ${dslPrice}. Individual station prices vary by 15-25 cents across the metro area.
The cheapest gas in Peoria is typically found at warehouse clubs (Costco, Sam's Club), high-volume discount chains like Circle K and Speedway, and stations in commercial strips with multiple competitors. Our brand comparison table shows current estimated prices by major brand in Peoria.
Peoria's current average of $$3.65 compares to the Illinois statewide average of $$3.36. Peoria is $0.29 above the Illinois average the state average, which is typical for a metro of its size and location.
Gas stations in Peoria typically update prices 1-3 times per week in response to wholesale market changes. Prices generally dip early in the week and rise Thursday-Sunday. Following weekly trends helps identify optimal fill-up windows.
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