I have a 2016 GT premium with 3.15 gears, automatic transmission and 265/35/20 tires and w20" X 9" Foundry Black-Painted Machined Aluminum wheels. Thinking about changing. What are the pros and cons of the different sizes. Leaning towards black pp wheels in 19". I am guessing that the sidewalls on my 20s are stiffer than most being so short how about other wheels and tires. I am also putting the Eibach sport line plus kit on. Thanks for any help.

 

I feel that in most cases 19 looks better, but some 20's look good. 20 has better tire selection, generally speaking.

 

19's are the best size for our cars IMHO.

 

Have 20" RTRs on mine, love them.

 

What does RTR stand for?

 

Ready to rock baby

 

I think it boils down to personal preference as far as the looks go. I went with 20" AMR on my '06 and I'm happy with 'em. Depending on your tire choice 18 or 19. could give a slightly less jiggly ride. 20" tires seem a little lower priced for some reason.

If I ever change mine I'd probably go to 18" Bullitt style for a more retro look.

 

if you are just tired of what your wheels look like then it doesn't matter what size wheel you chose provided you can fit it over the brake calipers and you can get tires that are 27.3" tall.

But if you are looking for performance then the PP wheels are good for taking abuse, they are heavy and they are staggered so you'll need two sizes of tires.
Most guys looking for improved performance get wheels much lighter than PP.
The difference could be as much as 11-12lbs less per wheel.