Diesel Fuel Prices in Indianapolis, IN

Updated April 5, 2026 — Prices updated regularly from EIA data

$4.28

Diesel Fuel (N/A octane) per gallon

About Diesel Fuel in Indianapolis

The current diesel price in Indianapolis is $$4.28 per gallon. With diesel engines achieving 30-40 MPG in modern passenger vehicles and much higher torque for towing, the math often favors diesel for high-mileage drivers.

When to Use Diesel Fuel

Best for: commercial and towing

Vehicle types: diesel trucks and commercial vehicles

Fuel Price Comparison in Indianapolis

Fuel TypePricevs. Diesel FuelOctane
Regular Unleaded$3.16$-1.1287
Premium Gasoline$3.95$-0.3391-93
Diesel Fuel THIS PAGE$4.28—N/A

Diesel Fuel in Nearby Cities

Carmel$4.18Hamilton$4.14Cincinnati$4.25Covington$3.94
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Frequently Asked Questions

Follow your owner's manual recommendation regardless of whether the car is new. Engine break-in does not require a specific fuel grade. Use what the manufacturer specifies from day one.
Vehicles requiring Diesel Fuel typically include diesel trucks and commercial vehicles. Your owner's manual and the label inside your fuel door specify the required grade. Using a lower octane than required can cause engine knock and reduce performance over time.
Only if your vehicle requires or recommends it. For vehicles designed for regular 87 octane, there is no measurable performance benefit from upgrading to Diesel Fuel. If your manual specifies Diesel Fuel, the investment protects your engine.
Diesel Fuel in Indianapolis is currently priced at approximately $$4.28 per gallon. Nearby cities have comparable prices within 10-15 cents depending on their state's tax structure and local competition.

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