Oklahoma Diesel prices, liter

We show diesel price data for Oklahoma from 20-Jul-2026 to 26-Oct-2026. The average diesel price during that period is 1.50 per liter with a minimum of 1.27 on 20-Jul-2026 and a maximum of 1.71 on 21-Sep-2026. Our data are obtained from official government sources, regulatory agencies, petroleum companies, and major media sources. We update the series for Oklahoma every week.