How many gallons of antifreeze does a 2006 impala use?

A 2006 Chevrolet Impala typically requires about 6 to 7 quarts of coolant, which is roughly 1.5 to 1.75 gallons. It's important to use the appropriate type of antifreeze specified in the owner's manual, usually a 50/50 mix of antifreeze and distilled water. Always check the vehicle's manual for the exact specifications and recommendations.