15 inch wheels/rims Oldsmobile 1993?

My car uses 14" tires, want to upgrade to 15' so i can get some wider tires.---so i need to get size 15' wheels/rims.. Not looking for Mag or like, just regular wheels/tires that will fit my 1993 Oldsmobile Cutlas Ciera S., its automatic, 6 cyl, 3.3 engine, four door....price is an issue, so used are ok...will any 15 inch wheel/rim fit? Any help is appreciate, if you know about cost, even better...I love in the Lewisville, Texas area but can travel within reason to get them...