Even if you get a Gremiln X in the best possible shape, it is still a horrible car. Crappy ride. Long nose and short wheelbase makes it want to swap ends easily. It was not reliable and was ugly. The metal is super prone to rust, and crumbled easily. Junk car.
My uncle in Kenosha had an Eagle 4x4 and loved it. I don't know anything about them, but I remember him telling me it would go through anything. I like the Eagle much better than a Gremlin.