State gas taxes · EIA figures for July 2026
Connecticut gas tax
The 37th highest state gas tax of 51, and 8.8¢ below the state average. With the 18.4¢ federal tax, Connecticut drivers pay 43.40¢ a gallon in fuel tax, about 11% of this week's price.
What makes up the tax on a gallon
| State excise tax | 25.00¢ |
|---|---|
| Other state taxes and fees | 0.00¢ |
| Federal excise tax | 18.40¢ |
| Total per gallon | 43.40¢ |
| On a 15-gallon fill | $6.51 |
| Over a typical year (480 gallons) | $208 |
| Regular gas this week | $4.095 |
From the EIA’s notes for Connecticut: Petroleum Products Gross Earnings tax (PGET): 8.1% of gross earnings in each taxable quarter derived from the first sale of petroleum products.
Source: EIA federal and state motor fuel taxes, July 2026. The federal rate has not changed since 1993. County and city taxes are not included, so some drivers pay a little more.
Fuel tax in Connecticut and its neighbours
Across the line in New York, state tax is 0.8¢ a gallon lower, which is $0.12 less tax on a 15-gallon fill.
| State | State tax | Versus CT | On a 15-gal tank |
|---|---|---|---|
| New York | 24.2¢ | −0.8¢ | −$0.12 |
| Connecticut | 25.0¢ | — | — |
| Massachusetts | 27.6¢ | +2.6¢ | +$0.38 |
| Rhode Island | 41.1¢ | +16.1¢ | +$2.42 |
Where Connecticut sits in the ranking
| 35. Kansas | 25.03¢ |
|---|---|
| 36. Arkansas | 25.00¢ |
| 37. Connecticut | 25.00¢ |
| 38. Mississippi | 24.40¢ |
| 39. New York | 24.18¢ |
Ranked by total state tax per gallon, highest first. See all 51 ranked.
What this means for your driving
Tax is a fixed number of cents on every gallon, so the less fuel you burn, the less of it you pay. A car that gets 30 mpg pays $174 a year in fuel tax over 12,000 miles in Connecticut; a pickup at 19 mpg pays $274.
Work out a trip or a year of driving with the Connecticut fuel cost calculator, or see Connecticut gas prices this week.
Connecticut gas tax questions
- What is the gas tax in Connecticut?
- Connecticut charges 25.00¢ per gallon of gasoline in state tax: 25.00¢ of excise tax plus 0.00¢ in other per-gallon taxes and fees, according to the EIA's table updated July 2026. Add the 18.4¢ federal tax and drivers pay 43.40¢ a gallon in fuel tax.
- How does Connecticut's gas tax compare with other states?
- It is the 37th highest of 51 (the 50 states and D.C.), and 8.8¢ a gallon below the average state tax of 33.8¢.
- How much gas tax does a Connecticut driver pay in a year?
- About $208 in state and federal fuel tax for a typical year of 480 gallons (roughly 12,000 miles at 25 mpg), of which $120 goes to the state. A 15-gallon fill carries $6.51 of tax.
- Is gas tax included in the price at the pump?
- Yes. Federal and state per-gallon fuel taxes are built into the price posted on the sign; they are not added at the register. That is why tax differences between neighbouring states show up directly in pump prices.
- Which neighbouring state has a lower gas tax than Connecticut?
- New York has the lowest state gas tax of Connecticut's neighbours, at 24.18¢ a gallon. That is 0.8¢ less, or $0.12 on a 15-gallon fill.