We need a sticky in the tire section showing all possible tire sizes per rim diameter.

i.e.
Stock 16X6.5 rims - 225/60-16, 235/??-16, 245/??-16
17X8 rims 235/55-17, ...
18X8 rims ...

These rim sizes will work on a GP
114.5X5 or 115X5
Cannot be wider than 8"
Offset can be ?? but no larger than ??