Diesel Fuel Prices in Baltimore, MD

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

$4.26

Diesel Fuel (N/A octane) per gallon

About Diesel Fuel in Baltimore

The current diesel price in Baltimore is $$4.26 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 Baltimore

Fuel TypePricevs. Diesel FuelOctane
Regular Unleaded$3.15$-1.1187
Premium Gasoline$3.93$-0.3391-93
Diesel Fuel THIS PAGE$4.26—N/A

Diesel Fuel in Nearby Cities

Ellicott City$4.14Columbia$4.30Silver Spring$4.45Rockville$4.10Germantown$4.41Alexandria$4.22Frederick$4.05York$4.41
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Frequently Asked Questions

Check your vehicle's owner manual or the inside of your fuel door. Required means you must use that grade to avoid damage. Recommended means optimal performance uses that grade but lower grades are tolerable. Regular means 87 octane is sufficient.
For vehicles designed to use Diesel Fuel, using the correct grade maintains engineered fuel economy. Upgrading from regular to premium in a regular-fuel car produces no economy improvement. Using regular in a premium-required car may reduce fuel economy slightly.
National Diesel Fuel prices average ${natPrice} per gallon. Baltimore's current price of $$4.26 is {comparison} the national average. Regional refinery access and state tax differences drive most of the variation.
TOP TIER certification means the fuel exceeds EPA minimum detergency standards. Studies suggest TOP TIER fuels meaningfully reduce engine deposits vs. minimum-standard fuels. Most major brands (Shell, Chevron, BP, Costco) are TOP TIER certified.

Related Gas Price Pages

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