PTT and Bangchak Announce Price Increase for All Fuel Types Effective 5 AM Tomorrow, 19 May 2026

Still time to refuel: PTT and Bangchak announce a price increase for all fuel types except some premium grades, effective 5 AM tomorrow, 19 May 2026.

On 18 May 2026, PTT Station and Bangchak Petroleum Public Company Limited (BCP) announced a price increase for all fuel types. Diesel will rise by 0.75 baht per liter, while gasoline and gasohol will increase by 0.85 baht per liter. Premium fuel prices will remain unchanged. The new prices will take effect from 5:00 AM tomorrow (19 May 2026), resulting in the following prices:

Updated fuel prices for 19 May 2026

Bangchak fuel prices on 19 May 2026

• Diesel B20 is priced at 35.52 baht per liter.
• High-speed diesel S is priced at 42.40 baht per liter.
• High premium diesel S is priced at 61.25 baht per liter.
• High premium 98 is priced at 55.09 baht per liter.
• GSH E85S EVO is priced at 33.84 baht per liter.
• GSH E20S EVO is priced at 37.90 baht per liter.
• GSH91S EVO is priced at 44.53 baht per liter.
• GSH95S EVO is priced at 44.90 baht per liter.

PTT fuel prices on 19 May 2026

• Diesel B20 is priced at 35.20 baht per liter.
• Diesel is priced at 42.20 baht per liter.
• GSH E85S EVO is priced at 33.84 baht per liter.
• GSH E20S EVO is priced at 37.90 baht per liter.
• GSH91S EVO is priced at 44.53 baht per liter.
• GSH95S EVO is priced at 44.90 baht per liter.
• Gasoline is priced at 54.49 baht per liter.
• Super Power Diesel is priced at 61.25 baht per liter.
• Super Power GSH95 is priced at 52.39 baht per liter.