Updated April 5, 2026 — Prices updated regularly from EIA data
$3.34
Premium Gasoline (91-93 octane) per gallon
About Premium Gasoline in Brownsville
Today's premium gas price in Brownsville, Texas is $$3.34 per gallon. If your vehicle requires premium, using regular risks engine knock, reduced performance, and potentially costly long-term damage.
When to Use Premium Gasoline
Best for: high-performance engines
Vehicle types: luxury and performance vehicles
Fuel Price Comparison in Brownsville
Fuel Type
Price
vs. Premium Gasoline
Octane
Regular Unleaded
$2.67
$-0.67
87
Premium Gasoline THIS PAGE
$3.34
—
91-93
Diesel Fuel
$3.61
+$0.27
N/A
Premium Gasoline in Nearby Cities
Fuel Up Your Collection While You Save on Gas
American patriotic collectibles. Limited edition and built to last — just like your savings at the pump.
National Premium Gasoline prices average ${natPrice} per gallon. Brownsville's current price of $$3.34 is {comparison} the national average. Regional refinery access and state tax differences drive most of the variation.
TOP TIER certification means the fuel exceeds EPA minimum detergency standards. Studies suggest TOP TIER fuels meaningfully reduce engine deposits vs. minimum-standard fuels. Most major brands (Shell, Chevron, BP, Costco) are TOP TIER certified.
Mixing grades is generally fine in practice — your engine's knock sensors will adjust timing accordingly. If your vehicle requires premium and you add some regular, no immediate damage occurs. Consistently running below the required octane in a performance engine is not recommended long-term.
{octaneInfo} Octane rating measures a fuel's resistance to premature ignition (knock). Standard regular is 87, mid-grade is 89-90, and premium is 91-93 in the United States.