ive been doin some shopping searching on autotrader n other dealers and the lexus lx470's are so expensive and i mean the 1999 old used ones with lots of milage like i saw one 1999 for $21,000$ and had about 107,000 miles on it why is this???.......

Just because of the good reputation.Lexus LX470 is excellent in performance strogly built and has all the other stuff which make this model a successful model.