Gas Prices in Riverside, CA Today

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

$4.57

Average Regular Unleaded — Riverside, California

Current Gas Prices in Riverside

Motorists in Riverside are seeing $$4.57 per gallon at the pump today for regular gas. This is $0.19 below the California average the California state average, driven by local competition and Riverside's proximity to supply infrastructure.

Fuel TypePrice / GallonGradeTrend
Regular Unleaded$4.5787 octane▲ Rising
Mid-Grade$5.2889 octane▲ Rising
Premium$5.7191-93 octane▲ Rising
Diesel$6.19N/A▲ Rising

Price Comparison

Riverside Average
$4.57
Regular Unleaded
California State Average
$4.76
$0.19 below the California average
National Average
$3.99
$0.58 above the national average

About Gas Prices in Riverside

Riverside'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
$4.42
Speedway
$4.54
Circle K
$4.55
Sunoco
$4.58
Marathon
$4.59
BP
$4.61
Mobil
$4.62
Exxon
$4.63
Shell
$4.65
Chevron
$4.67

Fuel Type Prices in This City

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

Gas Prices in Nearby Cities

Fontana$4.75San Bernardino$4.55Anaheim$4.47Santa Ana$4.64Irvine$4.65Long Beach$4.68Los Angeles$4.70San Diego$4.51Chula Vista$4.53
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Frequently Asked Questions

Costco offers the cheapest gas wherever it operates in the Riverside 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.
At today's Riverside average of $$4.57 per gallon, a standard 13-gallon sedan tank costs ${fillCost} to fill. A larger 20-gallon SUV or truck tank runs ${truckFill}. Choosing the cheapest local station can save $3-5 on each fill-up.
Monday and Tuesday are statistically the cheapest days to buy gas in most US cities including Riverside. Prices rise Thursday through Sunday as weekend driving demand increases. Filling up Tuesday afternoon before price adjustments is a reliable strategy.
Riverside and surrounding cities typically track similar fuel prices given shared supply infrastructure. Differences of 5-15 cents between nearby cities are common depending on local tax differences and competition levels.
A 10-cent savings on 15 gallons equals $1.50. If the cheaper station is 5 miles away and your car gets 25 MPG, the detour costs about 0.4 gallons. Savings above 15 cents per gallon are consistently worth moderate detours.

Related Gas Price Pages

Gas Prices in CaliforniaCheapest Gas in RiversideGas Prices Near RiversideCompare All StatesRegular Unleaded in RiversidePremium Gasoline in RiversideDiesel Fuel in RiversideShell - RiversideExxon - RiversideBP - RiversideChevron - RiversideMobil - RiversideGas Prices in FontanaGas Prices in San BernardinoGas Prices in Anaheim