Whats the horsepower of a 2005 chevy 5.3?

The horsepower of a 2005 Chevy 5.3L engine varied slightly depending on the specific vehicle and trim level. However, it generally ranged from 290 to 300 horsepower. To know the exact horsepower for a specific 2005 Chevy with a 5.3L engine, you'd need to check the vehicle's specifications, often found on a sticker inside the driver's side doorjamb or in the owner's manual.