In addition, the price for oil was also kept stable at VND13,617 per litre and mazut at VND12,382 per kilo.
The price of diesel was slightly increased by VND150 to VND15,169 per litre.
The ministries of industry and trade, and finance said the decision came following a small decrease in the world petrol price.
The finance ministry also said average petrol price in the world market over the past 15 days had slightly decreased from $73.3 to $73.2 per barrel.
The ministries decided to use the petrol price stabilisation fund to stabilise retail prices.
Accordingly, RON 92 petrol was subsidised by VND585 per litre and E5 bio-fuel by VND604 per litre. The fund also used VND388 for diesel, VND485 for oil and VND239 for mazut.
In the latest adjustment, the domestic retail price of RON 92 petroleum increased by VND434 to trade at a maximum of VND18,580 per litre
Petrol prices have seen less than 23 adjustments, so far, this year, with nine increases, nine decreases and four instances of staying unchanged.