How many gallons does the radiator hold in an Infiniti I30 2001?

The radiator of a 2001 Infiniti I30 typically holds about 2.5 to 3.0 gallons of coolant. However, the total cooling system capacity, which includes the radiator and engine block, is around 4.5 to 5.0 gallons. It's important to consult the owner's manual for precise specifications.