How much horse power does a 5.3 liter Chevy motor have?

The horsepower of a 5.3L Chevy motor varies significantly depending on the year of manufacture, the specific model of the vehicle it's in, and any modifications that have been made. There's no single answer.

You'll find horsepower ranging from approximately 285 hp to over 400 hp in various applications across different years and trims. To find the exact horsepower for a specific 5.3L Chevy engine, you need to provide the year and model of the vehicle it's in.