California vs Colorado Gas Prices
Regular gasoline cost $5.387 per gallon in California versus $3.666 in Colorado for the week of June 22, 2026 — $1.721 per gallon cheaper in Colorado.
Quick answer: Gas is cheaper in Colorado by $1.721 per gallon — about $24.09 on a 14-gallon fill-up, or $826.08 a year at 12,000 miles and 25 mpg.
US national average for the week of June 22, 2026: $3.914 per gallon.
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California vs Colorado gas prices: FAQ
Is gas cheaper in Colorado or California?
Gas is cheaper in Colorado at $3.666 per gallon versus $5.387 in California for the week of June 22, 2026 — a difference of $1.721 per gallon, or about $24.09 on a 14-gallon fill-up.
What is the gas price in California and Colorado?
For the week of June 22, 2026, regular gasoline averaged $5.387 per gallon in California and $3.666 in Colorado, according to the U.S. Energy Information Administration (EIA) Weekly Retail Gasoline Prices.
How do these areas compare to the US average?
California is $1.473 per gallon above the US average and Colorado is $0.248 per gallon below the US average, against the national average of $3.914 per gallon. California ranks 1 of 11 tracked areas by price, Colorado ranks 9.
How much more does a year of driving cost in California?
For a car driving 12,000 miles a year at 25 mpg (about 480 gallons), the $1.721 per-gallon gap works out to roughly $826.08 more per year in California than in Colorado.
Source: U.S. Energy Information Administration (EIA), Weekly Retail Gasoline Prices, regular grade (all formulations), US dollars per gallon, taxes included — eia.gov/petroleum/gasdiesel (public domain, U.S. federal government work). the week of June 22, 2026. Annual and per-tank figures are GeraRide estimates at the stated mileage and fuel economy.