* 4.2L V6: A smaller, less powerful option.
* 4.6L V8: A popular mid-range choice.
* 5.4L V8: A larger, more powerful V8.
Therefore, there's no single answer to the question. You need to specify the trim level or look up the engine size on the vehicle's documentation (like the Vehicle Identification Number (VIN) sticker or owner's manual) to determine the exact engine size.