* 6.2L V8: This naturally aspirated gasoline engine produced 385 horsepower and 405 lb-ft of torque.
* 6.7L Power Stroke V8: This turbocharged diesel engine was available in two different power levels:
* 390 horsepower and 735 lb-ft of torque
* 400 horsepower and 800 lb-ft of torque
The specific engine would depend on the trim level and the options chosen by the original buyer. You can find the engine size on the vehicle's VIN sticker or by looking at the owner's manual.