Spare tire size help

First off, I have an 09 regular cab 5 lugger, which means my stock tire size is 215/70/15. I upgraded to 31x10.5x15 on 15x8 wheels. What would be a reasonable spare size that would fit on the stock spare wheel? I don't want to have to pay for a whole other rim right now. Thanks in advance.


Biomed

 

Thanks Chris. I called the tire place to see what they had in that size. They said a 30x9.5x15 would work, as you won't typically come by a 245/80/15. I asked them before and just got the run around, so I guess you just have to get the right person. Thanks again.

 

The 30" tire will be about an inch shorter and an inch narrower. A 265/75/15 would measure about 30.65" tall and 10.43" wide. But I think, if you have the 5 lug spare wheel, a 265 will be too wide for such a narrow rim.

 

Yeah, that's the problem; finding a tall enough tire that's narrow enough to fit the factory rim (15x6 I think).