Car came with 14X6 with factory skirts 4" back space.
 

Looking for suggestions. Car came with 14X6 with factory skirts 4" back space.
Looking to go with 15" anyone know what year/ make /Model GM wheels will fit this or where to research?
I have some 15x7 chrome wheels on it with 4" back space and that means 3" front and it is very close but works.

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To upgrade from 14×6 to 15-inch wheels on your GM, you should look for 15×6–7 wheels with an offset of around +20–30 mm and a PCD that matches your model. Many wheels from the Cavalier, Beretta, Corsica, or Oldsmobile Achieva from the 1980s and 1990s will work. The easiest way is to check on Wheel-Size.com or through forums for your specific model to compare the ET and width with what’s currently on your car. Since your 15×7 with ET3 already fits in the front, 15×6 with ET4 will definitely fit without any issues.