The average price of petrol in Alor Setar is ฿ 12.50/litre over the past month, costing you anywhere between ฿ 563 and ฿ 813 to fill up a car’s fuel tank.
The length of time you can book a car hire for is subject to the inventory of the supplier. When renting a vehicle from Alor Setar it should be possible to hire a car for a whole month if needed.