Bangchak station prices for 18 Sep 2026: diesel B7 40.69 baht/litre, B20 35.69 baht (up 0.85 baht from the previous day), Gasohol 95 39.94 baht, Gasohol 91 39.57 baht. Prices exclude the Bangkok local maintenance tax and take effect at 05:00 the next day. Check your own station's price before budgeting fuel for delivery vehicles or machinery, since prices can move daily.