The average gas price in Jiayuguan is 23,261₫/liter over the past month, costing you anywhere between 1,046,753₫ and 1,511,977₫ to fill up a car’s gas tank.
The length of time you can book a rental for is subject to the inventory of the supplier. When renting a vehicle from Jiayuguan it should be possible to rent a car for a whole month if needed.