Louisiana uses the Gulf Coast (PADD 3) weekly average from EIA, which does not publish an average for Louisiana itself. Regular averaged $3.91 a gallon there in the week of October 5, 2026, −1.3¢ on the week.
Regional figure, not a state average for Louisiana. EIA publishes weekly prices for nine states only. Louisiana is part of the Gulf Coast (PADD 3) region, so the prices below are the Gulf Coast (PADD 3) average, the same figure shown for 4 other states. Pump prices in Louisiana can differ from it.
Gulf Coast (PADD 3) average, week of October 5, 2026
Regular$3.91/gal−1.3¢ vs last week+$1.19 vs a year ago
Midgrade$4.42/gal−0.7¢ vs last week+$1.19 vs a year ago
Premium$4.77/galno change vs last week+$1.21 vs a year ago
Diesel$5.82/gal−13.6¢ vs last week+$2.46 vs a year ago
US average regular: $4.35 (−11.1¢ on the week). The Gulf Coast (PADD 3) average is 44¢ below it.
Regular per gallon, last 52 weeks: Gulf Coast (PADD 3) vs USGulf Coast (PADD 3)US average
Source: U.S. Energy Information Administration (EIA), weekly retail gasoline and diesel prices, week of October 5, 2026. Prices include taxes and are averages of a survey of stations, published every Monday (Tuesday after a federal holiday); a single station near you can be well above or below them. Via the Roadscore API.
