Oil Price Update for 21 May 2026: Prices per Liter at Various Gas Stations for Gasoline and Diesel

Oil price update for 21 May 2026 GMT+7. Check the latest prices for all fuel types including gasoline, gasohol, and diesel from PTT, Bangchak, PT, Caltex, Susco, and Shell gas stations to see the current price per liter.

The reporter provides the following update. Oil price update for 21 May 2026 GMT+7. Prices for gasoline, gasohol, and diesel are sourced from the official websites of Bangchak Corporation Public Company Limited, PTT Oil and Retail Business Public Company Limited, Shell Company of Thailand Limited, PTG Energy Public Company Limited, Susco Public Company Limited, and Chevron (Thailand) Limited. The fuel prices for tomorrow are as follows.

Oil price update for 21 May 2026 GMT+7.

Bangchak fuel prices for 21 May 2026 GMT+7.

• Diesel B20 is priced at 35.20 baht per liter.
• High-speed Diesel S is priced at 42.20 baht per liter.
• High Premium Diesel S is priced at 61.25 baht per liter.
• High Premium 98 is priced at 54.84 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 for 21 May 2026 GMT+7.

• 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.

Shell fuel prices for 21 May 2026 GMT+7.

• Shell FuelSave Gasohol E20 is priced at 38.40 baht per liter.
• Shell FuelSave Gasohol 91 is priced at 45.03 baht per liter.
• Shell FuelSave Gasohol 95 is priced at 45.40 baht per liter.
• Shell V-Power Gasohol 95 is priced at 49.84 baht per liter.
• Shell FuelSave Diesel is priced at 42.20 baht per liter.
• Shell V-Power Diesel is priced at 49.84 baht per liter.

PT fuel prices for 21 May 2026 GMT+7.

• Diesel is priced at 42.20 baht per liter.
• Diesel B20 is priced at 35.20 baht per liter.
• Gasohol 95 is priced at 44.90 baht per liter.
• Gasohol 91 is priced at 44.53 baht per liter.
• Gasoline is priced at 54.99 baht per liter.
• Gasohol E20 is priced at 37.90 baht per liter.

Susco fuel prices for 21 May 2026 GMT+7.

• Diesel is priced at 42.20 baht per liter.
• Diesel B20 is priced at 35.20 baht per liter.
• Gasoline is priced at 54.64 baht per liter.
• Gasohol 95 is priced at 44.90 baht per liter.
• Gasohol 91 is priced at 44.53 baht per liter.
• Gasohol E20 is priced at 37.90 baht per liter.

Caltex fuel prices for 21 May 2026 GMT+7.

• Gold 95 Techron is priced at 54.81 baht per liter.
• Gasohol 95 Techron is priced at 44.90 baht per liter.
• Gasohol 91 Techron is priced at 44.53 baht per liter.
• Gasohol E20 is priced at 37.90 baht per liter.
• Diesel Techron is priced at 42.20 baht per liter.
• Power Diesel Techron is priced at 61.25 baht per liter.
• Diesel B20 is priced at 35.20 baht per liter.

However, the prices above are average prices excluding the local maintenance tax, which may vary by area.