What are somethings to look for? Are there any common problems to look out for? I found three in autotrader I am very interested in
1st one is body and interior look amazing, 1997 CADILLAC ELDORADO, Northstar eng, black on black, engine overheating, runs/drives good, 148,500 mi, $2,000 obo. The overheating problem is what kinda worries me.

2nd is at a used car lot, it is Green body looks mint. No interior pics. Pricve is $2495, mileage not listed.

3rd is a gold 1996 CADILLAC ELDORADO, 105K mi, air bag, abs, ac, ps, cc, tilt, lthr, p/seats, p/windows, am/fm, stereo, pdl, p/mirrors, great condition runs great price neg, $3,500. Exterior is great the interior is real nice except the steerin wheel that is peeling.

I really know nothing bout these cars besides I have loved their looks since I was in HS. My uncle had a 97 when I was 16 and I loved riding in that thing.
Is 100k+ miles on these cars alot? I had a BMW 528e 88 with 325k on it and it ran great.

I would advise you to avoid the one that is overheating, it could be a headgasket a $3500 to $4500 fix. Now there is a thread down from this one call Eldorado Vunerabilities(spelling) that pretty much has alot of the info your looking for.