235-75-15 Front tire will EVER SO SLIGHTY rub fender well.
215/75/15 ifits a 15"
There is a table of Astro Tire Sizes at http://astrosafari.proboards.com
205/75/15
Drivers door sticker shows it is 205/75 R15
87in
Depends on make and model of car.
OEM size is 225/75-16 Largest tire you should install with modifications is 245/70-16
It depends on a combination of rim and tire size. I would not go above a 17" myself.
185 65 14
If you have your manual it will show not to change tire size as it changes the stability of the vehicle
what is the largest tire I can put on a stock 20 inch 2008 dodge ram rim
285/35 - 20"