I just lowered my 2003 G35 sedan on 350z tein H-techs and tokico D-Specs. I'm looking to change up the wheel size. I want something staggered to fill in the gap in the back. Trying to decide between 19" and 20". More interested in traction than looks. Let me know what you guys think would be the best setup.

 

Rim size isn't going to get rid of the gap if you are planning on keeping similar overall diameters to preserve your speedometer readings and vdc. Choose whichever size rim you prefer, knowing the pro's and con's of each. To close that rear gap you should do the springmount mod, but that will only do so much. You are only dropped on h-techs...

 

Coupe or sedan?

But as Xet said, pick the rim size that you want then find the right tire to fit your liking.
What style of wheel are you looking for? Check out the pic forum to get some idea's of what different wheels look like on your car.

https://g35driver.com/forums/picture...es-thread.html

https://g35driver.com/forums/picture...some-nsfw.html

 

If you are staying with close to original wheel diameter, then you may like the 19's better for performance vs 20's.

Just do your searches and you will find MORE than ample results. Keep in mind that you most likely will not find ONE answer to this question as various people's preferences differ one to the next. Setups also differ one to the next i.e. wheel size and width, weight, offset, tires, suspension, etc. will affect handling, comfort, traction, etc.

 

Sorry for double post. I don't know why this happened.