Shop around man, you can probably find a car with a little less miles on it for the same price. The Maxima engine has been in the TEN BEST for quite a few years now for a reason. IT IS ONE OF THE TEN BEST. The engine will take you far beyond 100,000 miles, given that you take good care of it, regular oil changes, required maintance, and good gas. The engine will probably easily see twice the milage already on it without even trying hard. The auto tranny might be another issue, but as long as you take care of it, you shouldn't have any problems. The big difference with the SE's is just the Suspension. With the SE, you get the SLIGHTLY stiffer suspension, a rear wing, fog lights, and I think some different color options, along with color coded door handles and some trim, rather than chrome, but I could be wrong. The GLE is supposed to be the luxury model, the SE the sports model, and the GXE the base model. Good luck.