Gas Prices in Connecticut Today
Updated weekly from the US Energy Information Administration. Connecticut is part of the East Coast (PADD 1) supply region.
Current Gas Prices
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Connecticut Gas Tax: 40.1¢ per gallon
Connecticut charges 40.1 cents per gallon in state excise tax, plus the federal 18.4¢/gal tax. Total tax burden: 58.5¢/gal. This high tax is one reason Connecticut fuel prices are above the national average.
Cheapest Gas Stations in Connecticut
Gas Prices by City in Connecticut
Large Cities
Compare with Neighboring States
Frequently Asked Questions About Connecticut Gas Prices
What is the average gas price in Connecticut right now?▾
Gas prices in Connecticut are updated weekly. Check back soon for the latest statewide average, or browse our city pages for the most current local data. Historically, Connecticut prices track closely with the East Coast regional average.
What is the gas tax in Connecticut?▾
Connecticut charges approximately 40.1 cents per gallon in state excise taxes on gasoline. The federal gas tax adds another 18.4 cents per gallon, bringing the combined tax burden to roughly 58.5 cents per gallon. Connecticut's state tax is higher than the national average, which contributes to elevated pump prices statewide.
When is the cheapest day to buy gas in Connecticut?▾
Nationally, Monday and Tuesday tend to offer the lowest gas prices, while Friday and Saturday are often the most expensive as weekend demand rises. In Connecticut, patterns follow similar trends. Prices also fluctuate based on crude oil markets, which reset each week. Checking prices early in the week can save you several cents per gallon.
How does Connecticut gas compare to neighboring states?▾
Connecticut borders new york, massachusetts, rhode island, and prices across state lines can vary by 5–30 cents per gallon depending on each state's gas tax, refinery access, and local competition. Connecticut's PADD 1 regional supply chain primarily influences local prices. Drivers near state borders may find it worthwhile to cross state lines for a fill-up if price differentials are significant.
Why do gas prices change so frequently in Connecticut?▾
Gas prices in Connecticut react to several factors: crude oil futures (the biggest driver), local refinery output, seasonal fuel blend mandates, transportation costs to Hartford, and local retailer margins. Prices typically update weekly or more frequently when crude markets are volatile. Summer-blend gasoline, which is more expensive to produce, also raises prices from spring through Labor Day.
How can I find the cheapest gas station in Connecticut?▾
Use our station finder on any city page to see real-time prices at nearby stations. Apps like GasBuddy can also show crowdsourced prices. In general, warehouse clubs (Costco, Sam's Club) and hypermarket fuel centers (Walmart, Kroger) consistently offer prices 5–15 cents below branded stations in Connecticut. Avoid gas stations directly off major interstates, which typically charge a convenience premium.
Does Connecticut require reformulated gasoline?▾
Some metro areas within Connecticut may have seasonal or year-round reformulated gasoline requirements under EPA standards. Check the EPA's RFG locator for specific Connecticut counties. Outside designated RFG areas, conventional gasoline is sold at lower cost.
What fuel grade should I use for my car in Connecticut?▾
Most vehicles on the road today are designed for regular 87-octane unleaded gasoline. Check your owner's manual — only use premium (91+) if your vehicle requires or recommends it. Using premium when regular is specified wastes money without performance benefit. Midgrade (89 octane) is rarely the optimal choice for any modern vehicle.
Understanding Gas Prices in Connecticut
Gas prices in Connecticut are influenced by several regional factors including proximity to refineries, pipeline infrastructure, state regulations, and seasonal fuel blend requirements. Connecticut sits in the PADD 1 supply region (East Coast), which means local prices largely trackGulf Coast refinery output.
The Connecticut state excise tax of 40.1¢ per gallon is near the national average, adding approximately $0.40 to every gallon sold at the pump. On a 15-gallon fill-up, Connecticut drivers pay about $8.77 in combined state and federal fuel taxes.
Prices vary significantly across Connecticut's cities and regions. Urban areas like Hartford tend to have more competition between gas stations, which can keep prices closer to the state average. Rural areas may see prices 10–20¢ higher due to fewer competing stations and higher delivery costs.