Is TheTireRack correct?

Will 20x8.5" wheels fit on all 4 corners? With the same offset (40mm)? Will it sit flush or poke or be sunken into the wheel well?

Looking at these for the G:

 

That size is correct and it will sit almost flush with the fenders.

 

the front/rear won't be uneven from being unstaggered now w/ the same offset?

It would be great for tire life, but i don't want front poke and the rear to be set too far inside the body

 

It won't be as flush as many others here running 9.5"+ rims in the back, but it should still look OK. You also have the option of running spacers in the back to make the rears more flush.

Here's a thread on a guy who's running 20x8.5 +40 all around:

https://g35driver.com/forums/media-share-v36-sedan/153770-pictures-g-20-sevas.html

Notice it's not really flush either front or back, but the rears are sunken in a little bit more. Correcting the camber would make it a little more flush and running a 10 mm spacer in the rear would make it have a really nice stance.

 

Hate to say this but since you didn't buy it yet, don't those wheels look really similar to the stock wheels that come on the Sport already?

 

yea.. i really just want an OEM+ look, so thats kind of what i'm going for. just +2"

 

what suspension is he on... that thing looks slammed.

 

This will give you an idea how far they sit out, these are my wheels which are 8.5 " wide with a 42mm offset, so yours would stick out 2mm more.

 

According to his sig, H&R springs.

Go with Eibach for a less aggressive stance.