Oil Prices Today, 20 May 2026: Latest Gasoline-Diesel Prices per Liter at Each Gas Station

Update Oil prices today, 20 May 2026 Check prices for all types of fuel including gasoline, gasohol, and diesel from PTT, Bangchak, PT, Caltex, Susco, and Shell gas stations. See the latest price per liter.

The reporter provides an update Oil prices today, 20 May 2026 Prices for gasoline, gasohol, and diesel as of today, according to 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 (Thai) Limited. The oil prices today are as follows:

Oil price update for 20 May 2026

Bangchak oil prices on 20 May 2026

• Diesel B20 is priced at 35.20 baht per liter
• Hi Diesel S is priced at 42.20 baht per liter
• Hi Premium Diesel S is priced at 61.25 baht per liter
• Hi 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 oil prices on 20 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

Shell gas station prices on 20 May 2026

• 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 gas station prices on 20 May 2026

• 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 gas station prices on 20 May 2026

• 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 gas station prices on 20 May 2026

• Gold 95 Techron is priced at 55.06 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

However, the above prices are base prices excluding the local maintenance tax, which may vary by region.