PTT and Bangchak Announce Price Increase on All Types of Fuel Effective 5 AM Tomorrow, 4 June 2026

PTT and Bangchak announce an increase in prices for all types of gasoline and gasohol, except Premium GSH95 and Premium Diesel which remain unchanged, effective from 5 AM tomorrow, 4 June 2026.

On 3 June 2026, reporters reported that "PTT Station" and Bangchak Petroleum Public Company Limited (BCP) announced a retail price increase for all gasoline and gasohol types by 0.40 baht per liter, except Premium GSH95 which remains unchanged. Diesel prices rise by 0.80 baht per liter, except Premium Diesel which stays the same. The changes take effect on 4 June 2026 from 5:00 AM onwards, resulting in the following latest fuel prices:

PTT fuel prices as of 4 June 2026

• Diesel B20 is priced at 36.00 baht per liter.
• Diesel is priced at 41.50 baht per liter.
• GSH E85S EVO is priced at 34.24 baht per liter.
• GSH E20S EVO is priced at 38.30 baht per liter.
• GSH91S EVO is priced at 42.93 baht per liter.
• GSH95S EVO is priced at 43.30 baht per liter.
• Gasoline is priced at 52.89 baht per liter.
• Super Power Diesel is priced at 58.25 baht per liter.
• Super Power GSH95 is priced at 50.99 baht per liter.

Bangchak fuel prices as of 4 June 2026

• Diesel B20 is priced at 36.00 baht per liter.
• Hi Diesel S is priced at 41.50 baht per liter.
• Hi Premium Diesel Plus is priced at 58.25 baht per liter.
• Hi Premium 98 Plus is priced at 53.44 baht per liter.
• GSH E85S EVO is priced at 34.24 baht per liter.
• GSH E20S EVO is priced at 38.30 baht per liter.
• GSH91S EVO is priced at 42.93 baht per liter.
• GSH95S EVO is priced at 43.30 baht per liter.