The average gas price in Mount Isa is 21,634₫/liter over the past month, costing you anywhere between 973,533₫ and 1,406,215₫ 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 Mount Isa it should be possible to rent a car for a whole month if needed.