I have p215/70r15 on the front of my duster on 15x7 and the rub the front of the fender a little. I think a 215 is too narrow for an 8" wheel. I had p245/60r15 on 8" wheels no problem. take a 15 x 8 wheel that u have (what is the backspace) and throw it on without a tire and see how it fits