How many gallons of antifreeze does a 2000 Chevy Silverado hold?

With the 4.3L V-6 engine and automatic trans, 12.6 qts.With the 4.8L V-8 engine and automatic trans, 13.4 qts.

With the 5.3L V-8 engine, air conditioning, engine oil cooler and automatic trans, 15.2 qts.