Quote Originally Posted by spyder91290
they are 15 inch rims,
that;s not your tire size tire size is a 3 part name you should find it embedded somewhere on the tire.
Example

mine are 205-60R-13
205 mm wide 60 series thirteen inch rim
^^this is mostly the part we care about wider=more grip, and smaller series essentially reduce your gearing for better acceleration and lower top speed.