frankp118

Hi All,

I'm looking to put new tires on my G37X Sedan Sport Model. I am interested in the Nitto Motivo's and want to know which size I should go with and that will cause me the least problems ie. Speedometer error etc.
These are the sizes they have available for my stock 18" rims:

18"
225/40ZR18XL 92W BLK
225/45ZR18XL 95Y BLK
235/40ZR18XL 95W BLK
235/45ZR18XL 98W BLK
235/50ZR18XL 101W BLK
235/55ZR18XL 104W BLK
245/45ZR18XL 100Y BLK

Thanks, Frank

jddssc121

use a calculator like tire rack has to compare the diameter differences....

JSolo

iTrader: (14)

Be watchful of the minimum load rating required. I don't have the manual in front of me, but believe it's 94 or 95, which would disqualify your 225/40/18 tire.

HverbeckCtacey

I don't have the manual in front of me

awais

iTrader: (4)

225/50/18 is the stock size. You can also go with the wider 245/45/18.

Neal@tirerack

iTrader: (2)

We typically use one of the two following sizes for 18" fitments on that car

225/50-18
245/45-18

frankp118

Thanks to all who provided some guidance. I ended up getting the Motivo's in 245/45/18.