Diesel Fuel Prices in Fremont, CA

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

$6.38

Diesel Fuel (N/A octane) per gallon

About Diesel Fuel in Fremont

In Fremont, diesel is $$6.38 per gallon today. The diesel market is driven heavily by commercial demand — trucking, construction, and agriculture. Consumer diesel vehicles represent a small but growing segment of the passenger car market.

When to Use Diesel Fuel

Best for: commercial and towing

Vehicle types: diesel trucks and commercial vehicles

Fuel Price Comparison in Fremont

Fuel TypePricevs. Diesel FuelOctane
Regular Unleaded$4.71$-1.6787
Premium Gasoline$5.88$-0.5091-93
Diesel Fuel THIS PAGE$6.38—N/A

Diesel Fuel in Nearby Cities

San Jose$6.44Oakland$6.47San Francisco$6.00Stockton$6.19Modesto$6.16Sacramento$6.08
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Frequently Asked Questions

All Diesel Fuel sold in Fremont must meet minimum federal standards. TOP TIER certified stations add extra detergency additives. Most major brands (Shell, Chevron, Costco, Wawa) are TOP TIER certified. Non-certified independents meet legal minimums only.
In Fremont, Diesel Fuel is priced at $$6.38 per gallon versus ${regularPrice} for regular — a ${diff} per gallon premium. On a 15-gallon fill-up, that's ${fillDiff} extra. Over 50 annual fill-ups, the premium adds ${annualDiff} to your fuel costs.
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.

Related Gas Price Pages

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