Gas Prices in Modesto, CA Today

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

$4.55

Average Regular Unleaded — Modesto, California

Current Gas Prices in Modesto

Motorists in Modesto are seeing $$4.55 per gallon at the pump today for regular gas. This is $0.21 below the California average the California state average, driven by local competition and Modesto's proximity to supply infrastructure.

Fuel TypePrice / GallonGradeTrend
Regular Unleaded$4.5587 octane▲ Rising
Mid-Grade$5.2689 octane▲ Rising
Premium$5.6891-93 octane▲ Rising
Diesel$6.16N/A▲ Rising

Price Comparison

Modesto Average
$4.55
Regular Unleaded
California State Average
$4.76
$0.21 below the California average
National Average
$3.99
$0.56 above the national average

About Gas Prices in Modesto

Modesto's position in California gives it West supply chain supply chain characteristics. Refinery-direct brands like Valero and wholesale retailers like Costco typically offer the strongest value in the area. Premium brands like Shell and Chevron charge a quality markup that may or may not be worth it depending on your vehicle.

Gas Prices by Brand in This City

Estimated prices based on brand modifiers. Sorted cheapest to most expensive.

CHEAPEST
Costco
$4.40
Speedway
$4.52
Circle K
$4.53
Sunoco
$4.56
Marathon
$4.57
BP
$4.59
Mobil
$4.60
Exxon
$4.61
Shell
$4.63
Chevron
$4.65

Fuel Type Prices in This City

Regular Unleaded
87 octane
Premium Gasoline
91-93 octane
Diesel Fuel
N/A

Gas Prices in Nearby Cities

Stockton$4.57San Jose$4.76Fremont$4.71Sacramento$4.49Oakland$4.78San Francisco$4.43Fresno$4.65
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Frequently Asked Questions

Gas stations in Modesto typically update prices 1-3 times per week in response to wholesale market changes. Prices generally dip early in the week and rise Thursday-Sunday. Following weekly trends helps identify optimal fill-up windows.
Costco and Sam's Club fuel stations serve many major metropolitan areas and offer the lowest prices for members — typically 15-25 cents below local market. Membership costs $65-130/year but typically pays for itself in fuel savings alone for regular drivers.
Gas price spikes in Modesto are typically triggered by regional supply disruptions, pipeline outages, refinery maintenance, seasonal blend transitions, and global crude oil price increases. Holiday demand surges around Memorial Day, July 4th, and Labor Day also push prices up temporarily.
Premium gas in Modesto is worth the extra cost only if your vehicle requires it. If your owner's manual says Required, always use premium. If it says Recommended, you may use regular with minimal performance loss. Never use regular in a vehicle that requires premium.
Costco offers the cheapest gas wherever it operates in the Modesto area. Among street stations, Circle K, Speedway, and Wawa (in applicable markets) consistently offer below-average prices. Shell, Chevron, and BP typically price above the local average.

Related Gas Price Pages

Gas Prices in CaliforniaCheapest Gas in ModestoGas Prices Near ModestoCompare All StatesRegular Unleaded in ModestoPremium Gasoline in ModestoDiesel Fuel in ModestoShell - ModestoExxon - ModestoBP - ModestoChevron - ModestoMobil - ModestoGas Prices in StocktonGas Prices in San JoseGas Prices in Fremont