As a man who's father drove a 74, 82 and a 99 Burb, I feel Im qualified to answer this. The 4x4's are more plentiful and cheaper because of their appalling mileage. Stick with 2wd unless you're a hardcore off roader. And dear god are they sound. The 99 we have right now has 220,000 miles and just runs great, we get…