What is the original size tires that came with a 98 Ford Ranger?

The original tire size on a 1998 Ford Ranger varied depending on the trim level, options, and whether it was a 2WD or 4WD model. There wasn't one single size. To know for sure, you'd need to check the sticker on the driver's side doorjamb or the owner's manual.

However, common sizes for the 1998 Ford Ranger included:

* P205/75R14: This was a very common size.

* P215/75R15: Also frequently used.

* LT225/75R15: More likely on 4x4 models.

Again, checking your vehicle's documentation is the only way to be absolutely certain.