* 4.0L Inline-6: This was the most prevalent engine in the 2000 XJ. It's a reliable and powerful engine known for its longevity.
Less common, but still possible, were:
* 2.5L Inline-4: A smaller, less powerful option.
To know for sure what engine is in *a specific* 2000 Jeep XJ, you'd need to check the vehicle's documentation (like the title or owner's manual) or look at the engine itself. The engine displacement (4.0L or 2.5L) is usually clearly visible on the engine block.
