How much coolant does a 2007 impala 3.5 radiator hold?

The radiator of a 2007 Chevrolet Impala with a 3.5L engine typically holds about 12 to 14 quarts (approximately 3 to 3.5 gallons) of coolant when including the engine cooling system. However, the exact capacity can vary slightly based on factors like additional components and configurations. Always refer to the owner's manual or a repair guide for the most accurate information specific to your vehicle.