like others have mentioned try going with the 04....
but if you do decide on the 03, rear diff. is one of the known issues.....
other than that, check under the spear tire - some had water there.....
other then these 2, i had other problems with the car, but don't get me wrong - the car is def. a good choice!!!
if you need more info on it, try searching the forum - i did a whole write up on the 03.... with problems i had!!!
good luck in your search!!!
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Helo Tease 18" Chrome Rims w/Tires for sale:
http://www.cadillacforums.com/cadill...cat=500&page=1