Oil Prices to Rise by 0.85 Baht per Liter for Gasoline, Gasohol, and Diesel from 5 AM Tomorrow

Don't forget to stop by the gas station. PTT and Bangchak have announced a price increase. "Oil prices" for gasoline, gasohol, and diesel will rise by 0.85 baht per liter, except premium grades remain the same, effective from 5 AM tomorrow, 19 August 2026.

On 18 August 2026, reporters reported that PTT Station and Bangchak Petroleum Public Company Limited (BCP) announced a retail price increase of 0.85 baht per liter for all types of gasoline and gasohol, except premium GSH95 and premium GSH99 which remain unchanged. All types of diesel will also increase by 0.85 baht per liter, except premium diesel which remains unchanged. This change takes effect from 5:00 AM on 19 August 2026, resulting in the latest fuel prices as follows.

PTT oil prices on 19 August 2026

• Diesel B20 is priced at 33.39 baht per liter.

• Diesel is priced at 38.39 baht per liter.
• GSH E20S EVO is priced at 32.69 baht per liter.
• GSH91S EVO is priced at 37.32 baht per liter.
• GSH95S EVO is priced at 37.69 baht per liter.
• Gasoline is priced at 46.68 baht per liter.
• Super Power GSH95 is priced at 47.79 baht per liter.
• Super Power X Diesel is priced at 50.05 baht per liter.
• Super Power X 99 is priced at 49.79 baht per liter.

Bangchak oil prices on 19 August 2026

• Diesel B20 is priced at 33.39 baht per liter.
• Hi Diesel S is priced at 38.39 baht per liter.
• Hi Premium Diesel Plus is priced at 49.25 baht per liter.
• Hi Premium 98 Plus is priced at 49.29 baht per liter.
• GSH E85S EVO is priced at 28.63 baht per liter.
• GSH E20S EVO is priced at 32.69 baht per liter.
• GSH91S EVO is priced at 37.32 baht per liter.
• GSH95S EVO is priced at 37.69 baht per liter.