Diesel Fuel Prices in Waco, TX

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

$3.98

Diesel Fuel (N/A octane) per gallon

About Diesel Fuel in Waco

Commercial and passenger diesel users in Waco pay $$3.98 per gallon. Diesel's energy content — about 10-15% more BTU per gallon than gasoline — means more miles per gallon even before accounting for engine efficiency advantages.

When to Use Diesel Fuel

Best for: commercial and towing

Vehicle types: diesel trucks and commercial vehicles

Fuel Price Comparison in Waco

Fuel TypePricevs. Diesel FuelOctane
Regular Unleaded$2.94$-1.0487
Premium Gasoline$3.67$-0.3191-93
Diesel Fuel THIS PAGE$3.98—N/A

Diesel Fuel in Nearby Cities

Killeen$3.90Arlington$3.51Fort Worth$3.47Dallas$3.64Irving$3.83Mesquite$3.70Austin$3.79Garland$3.64
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Frequently Asked Questions

Diesel Fuel in Waco is currently priced at approximately $$3.98 per gallon. Nearby cities have comparable prices within 10-15 cents depending on their state's tax structure and local competition.
Diesel Fuel costs more due to the additional refining required to achieve its specifications. Higher octane fuel requires more complex blending processes. The markup reflects real production costs, not arbitrary station pricing.
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.

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