2013camaro; if you will read this post, it should answer a lot of your questions:
http://www.camaro5.com/forums/showthread.php?t=212140
As far as I know, the 1LE package is very specific.
This thread has suggestions for your tire questions:
http://www.camaro5.com/forums/showthread.php?t=244721
If you have questions about only being able to order the black interior, this thread may be of interest to you:
http://www.camaro5.com/forums/showthread.php?t=248046
I hope these links help you make an informed decision. I also suggest you search the internet for reviews on the car.