I have owned three Jeeps a XJ, a YJ, and now a TJ. My parents own two Gladiators, a Rubicon and a Mojave, and they have a 21 JK with the 4 cylinder, I also have a 20 4Runner TRD Pro so I have some real world input.
First off all three of my Jeeps were and are very reliable. I put near 300k...