Originally Posted by Jim_in_PA
The answer to your question is dependent on what version of the JGC you have. Only the lowest trim level can take 17" wheels. The reason? The size of the brakes. Go with the 18" wheels and you can be certain that you'll have good clearance from the "stoppers" and more than adequate tire to do the job.
What he said.
If you have an Americas Tire/Discount Tire in the area, check them out as well, they have quite a few wheels that fit the 14, from plain to not too shabby.