How much horse power does your 2012 5.3 Chevy have?

The 2012 Chevrolet 5.3L engine had different horsepower ratings depending on the vehicle it was installed in and the specific configuration. It generally ranged from 315 to 320 horsepower. To know the exact horsepower for a specific 2012 vehicle, you'd need to check the vehicle's sticker or owner's manual.