The popular fuel RON95 fell 1.63% to VND23,530 ($1), while biofuel E5 RON92 dropped 1.5% to VND22,270.
Diesel plunged 4.83% to VND20,880.
In the last 13 days fuel prices have been fluctuating globally due to tightened supply after Russia and Saudi affirmed production cuts, the strengthening of the U.S. dollar, and the Middle East conflict.
RON92 fell 1.5% to $93.78 per barrel, while RON95 dropped 1.6% to $99.20. Diesel declined 3.6% to $105.29 per barrel.