Everything changed, you lost the good ol 22r/e, went to a 2rz(2wd) 2.4, and a 3rz(4wd) 2.7. The 3.blow went away and came in a great 3.4. The body switched. The ifs switched to a coil and strut from the old torsion bar set up, the steering switched to a rack and pinion. The bodys got better with rust issues, but the frames where prone to failing in tacoma. Their not really that close if you look at them side by side.