Oil Prices Today, 21 May 2026: Latest Gasoline and Diesel Prices per Liter at Each Gas Station

Update Oil prices today, 21 May 2026 Check prices of all fuel types: gasoline, gasohol, diesel from PTT, Bangchak, PT, Caltex, Susco, and Shell gas stations. See the latest price per liter.

A reporter provides an update Oil prices today, 21 May 2026 Prices for gasoline, gasohol, and diesel today, sourced from the websites of Bangchak Corporation Public Company Limited, PTT Oil and Retail Business Public Company Limited, Shell Thailand Limited, PTG Energy Public Company Limited, Susco Public Company Limited, and Chevron (Thailand) Limited, are as follows:

Update on oil prices today, 21 May 2026

Bangchak oil prices on 21 May 2026

• Diesel B20 is priced at 35.20 baht per liter
• High-speed Diesel S is 42.20 baht per liter
• High Premium Diesel S is 61.25 baht per liter
• High Premium 98 is 55.09 baht per liter
• GSH E85S EVO is 33.84 baht per liter
• GSH E20S EVO is 37.90 baht per liter
• GSH91S EVO is 44.53 baht per liter
• GSH95S EVO is 44.90 baht per liter

PTT oil prices on 21 May 2026

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

Shell gas prices on 21 May 2026

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

PT gas prices on 21 May 2026

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

Susco gas prices on 21 May 2026

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

Caltex gas prices on 21 May 2026

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

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