The fuel tank size for a 2000 Dodge Dakota varies depending on the model and configuration. It could be either 19 gallons or 22 gallons. To know for sure, you need to check:
* Your vehicle's sticker: Look inside the driver's side doorjamb. The sticker will list the fuel tank capacity.
* Your owner's manual: This will also specify the fuel tank size.
Without this information, it's impossible to give a definitive answer.