The national average price for self-service regular gas in the United States is $4.354 per gallon as of 2026-10-12, while diesel sits at $6.199 per gallon.
Prices moved lower versus seven days ago: petrol is down -2.49% from a previous-week average of 4.465 USD, and diesel is down -2.87%. Petrol has now fallen for 2 consecutive weeks.
The national picture stretches from higher prices on the West Coast to lower prices inland: California posts the top figure at 6.227 USD, Chicago shows 4.633 USD and New York is at 4.380 USD among the priciest areas. At the other end, Ohio is the cheapest at 3.829 USD, followed by Texas at 3.874 USD and Florida at 3.970 USD. Over the last 11 weeks petrol has ranged between a low of 4.006 USD and a high of 4.478 USD, a net change of 6.3% versus the oldest week in that window.
The petrol–diesel spread currently stands at 1.845 USD per gallon. Figures and rankings are from the U.S. Energy Information Administration (EIA).



