Indiana Gas Prices
Average retail price · Source: AAA · Updated daily
Today's Average
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per gallon · regular unleaded
Indiana sits in the heart of the Midwest refinery corridor, giving it consistently below-average gas prices despite a moderate state tax. The state's location between Chicago (expensive) and Ohio (similar prices) makes Indiana a popular fill-up destination for Illinois border residents.
⛽ Gas Tax: 32¢/gallon
Ranked #33 most expensive nationally
Top Gas Station Chains in Indiana
SpeedwayMarathonCircle KCostcoShell
Top Indiana Cities for Gas Prices
Indiana Gas Price FAQ
Why do Chicago residents drive to Indiana for gas?
The Illinois state gas tax is 44¢/gallon higher than Indiana's, creating a significant gap at the border. Hammond, East Chicago, and Merrillville are popular fill-up stops for Chicagoland commuters who can save $8-12 per tank.
Is Indianapolis gas cheaper than the national average?
Yes — Indianapolis typically runs 10-20¢ below the national average. Speedway (headquartered in Cincinnati) and Marathon stations dominate the market with competitive pricing.
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Gas Prices by City in Indiana
Indiana Gas Price — Frequently Asked Questions
What is the average gas price in Indiana today?
Indiana gas prices are updated daily from AAA data. Check back for today's average.
Why are gas prices lower in Indiana than the national average?
Indiana benefits from favorable regional factors.
What is Indiana's gas tax?
Indiana's state gas tax is approximately 33¢ per gallon. This is a combined state excise tax and in some states includes local levies. The federal gas tax adds an additional 18.4¢/gal on top of state taxes.
When is the cheapest time to buy gas in Indiana?
Gas prices in Indiana — like across the US — tend to be lowest on Mondays and Tuesdays, when weekly demand is lowest. Prices typically rise Thursday through Saturday as weekend travel demand increases. Avoiding fill-ups on Fridays and Saturdays can save 3–8¢/gal on average. Indiana prices also tend to be lower in late fall and winter when summer-blend fuel requirements end.
Which cities in Indiana have the cheapest gas?
Gas prices vary by city within Indiana based on local competition, distance from fuel terminals, and population density. Use our city pages to compare prices across Indiana: cities farther from major metro areas and distribution hubs often have slightly higher prices due to transport costs, while high-competition suburban areas near major highways tend to be cheapest.