What size is the engine on a Silverado 1500?

The engine size in a Chevrolet Silverado 1500 varies depending on the model year and trim level. There's no single answer. Over the years, Silverado 1500s have been offered with engines ranging from a small 4-cylinder to a large V8. To know the engine size of a *specific* Silverado 1500, you need to specify the year and model.