Gas prices in Indiana today
Regular gas in Indiana averages $4.02 a gallon, 6% less than the U.S. average of $4.27. That makes Indiana in the middle: rank 15 of 51 (1 = cheapest).
| Grade | Indiana | U.S. average | 15-gallon fill-up |
|---|---|---|---|
| Regular | $4.02 | $4.27 | $60 |
| Mid-grade | $4.58 | $4.78 | $69 |
| Premium | $5.11 | $5.17 | $77 |
| Diesel | $6.73 | $6.35 | $101 |
Source: AAA, Indiana average gas prices and AAA State Gas Price Averages, as of Oct 24, 2026. Fill-up = price × 15 gallons (our calculation). For metro-area prices, see AAA's Indiana page.
Taxes in the price: 63.1¢ a gallon in Indiana state taxes and fees plus the 18.4¢ federal tax, 81.5¢ in all, about 20% of today's price (Tax Foundation, July 2026; our calculation). Gas tax in Indiana.
What driving costs in Indiana
At $4.02 a gallon, a car that gets 27.2 mpg (the EPA's average for new vehicles) spends about $148 on gas every 1,000 miles, or 14.8 cents a mile (our calculation). Charging an electric car at Indiana's average home electricity price costs about $53 for the same 1,000 miles. Gas is only one part of the bill: full-coverage car insurance in Indiana averages $1,536 a year.
Planning a drive? The road trip cost calculator uses today's gas price, and the true cost of owning a car puts fuel next to insurance, repairs and depreciation.
Common questions
What is the average gas price in Indiana today?
Regular gas in Indiana averaged $4.02 a gallon on Oct 24, 2026, per AAA. Mid-grade was $4.58, premium $5.11 and diesel $6.73.
Is gas in Indiana cheaper than the national average?
Yes. Indiana's $4.02 is 6% less than the U.S. average of $4.27, which ranks it 15 of 51 states and DC (1 = cheapest, our ranking of AAA data).
How much does it cost to fill up a car in Indiana?
About $60 for 15 gallons of regular at today's Indiana average (our calculation). Driving 1,000 miles in a car that gets 27.2 mpg costs about $148 in gas.
Is an electric car cheaper to run than gas in Indiana?
At Indiana's average home electricity price, charging an EV for 1,000 miles costs about $53, compared with about $148 in gas for a 27.2 mpg car (our calculation from EIA and AAA prices, 31 kWh per 100 miles from fueleconomy.gov).
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