* 2.3L 4-cylinder: This was a common engine choice.
* 2.5L 4-cylinder: Also a frequently found engine.
* 3.0L V6: A more powerful option.
* 4.0L V6: The largest engine available for that year.
To know the exact engine size in a *specific* 1999 Ford Ranger, you'd need to check the vehicle's identification number (VIN) or look at the engine itself. The engine size is usually stamped on a visible part of the engine block.