The average gas price in Changzhi is 22,827₫/liter over the past month, costing you anywhere between 1,027,208₫ and 1,483,745₫ 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 Changzhi it should be possible to rent a car for a whole month if needed.