Oil Prices Today 2025: Bangchak PTT Update
- As of September 20, 2025, the following diesel fuel prices were observed in Bangkok and surrounding provinces:
- for historical retail price data from 2022 for PTT Oil and Retail Public Company Limited, please refer to their official news page on the PTTOR website.
- diesel prices in Thailand are influenced by a variety of factors, including global crude oil prices, government policies, and exchange rates.
Diesel Fuel Prices in Thailand - September 20, 2025
Table of Contents
Updated september 20, 2025, 19:49:09
Current Diesel Prices (September 20, 2025)
As of September 20, 2025, the following diesel fuel prices were observed in Bangkok and surrounding provinces:
- Super Power Diesel: 43.94 baht per liter (PTT Oil and Retail)
- Diesel: 31.94 baht per liter (PTT Oil and Retail)
- High Premium Diesel: 46.14 baht per liter (Bangchak)
- High Diesel S: 31.94 baht per liter (Bangchak)

Past Price Data & Context
for historical retail price data from 2022 for PTT Oil and Retail Public Company Limited, please refer to their official news page on the PTTOR website. Understanding past price fluctuations can provide valuable context for current market conditions.
diesel prices in Thailand are influenced by a variety of factors, including global crude oil prices, government policies, and exchange rates. The Thai government frequently enough intervenes to manage fuel prices to mitigate the impact on consumers and the economy.
Factors Influencing Diesel Prices in Thailand
several key factors contribute to the fluctuations in diesel prices within Thailand:
- Global Crude Oil Prices: The price of Brent crude oil is a primary driver of fuel costs globally.
- Exchange Rate (THB/USD): As oil is typically traded in US dollars, the strength of the Thai Baht against the dollar impacts import costs.
- Government Policies: The Thai government may implement subsidies or taxes to influence retail fuel prices.
- Refining costs & Margins: The cost of refining crude oil into diesel fuel, and the profit margins of refineries, play a role.
- Demand & supply: Regional and global demand for diesel fuel can affect prices.
Comparing Fuel Types
The different types of diesel available – Super Power Diesel, High Premium Diesel, and standard Diesel – vary in their formulations and additives. Premium diesel fuels frequently enough contain detergents and other additives designed to improve engine performance and reduce emissions. The price difference reflects these added benefits.
