Diesel Fuel Prices in Salt Lake City, UT

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

$4.48

Diesel Fuel (N/A octane) per gallon

About Diesel Fuel in Salt Lake City

At $$4.48 per gallon, Salt Lake City's diesel price is {comparison} the national average for ultra-low-sulfur diesel. Diesel remains the dominant choice for commercial transport, heavy-duty pickup trucks, and an increasing number of consumer SUVs.

When to Use Diesel Fuel

Best for: commercial and towing

Vehicle types: diesel trucks and commercial vehicles

Fuel Price Comparison in Salt Lake City

Fuel TypePricevs. Diesel FuelOctane
Regular Unleaded$3.31$-1.1787
Premium Gasoline$4.13$-0.3591-93
Diesel Fuel THIS PAGE$4.48—N/A

Diesel Fuel in Nearby Cities

West Valley City$4.47West Jordan$4.40Ogden$4.49Provo$4.07
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Frequently Asked Questions

If your car requires premium and you accidentally fill with regular, modern engines have knock sensors that retard timing to prevent damage. You may notice reduced performance and slightly worse fuel economy. Fill with premium on your next fill-up. This is a minor issue if it happens occasionally.
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.

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