I have 285 30 20 on the rear of my g35 coupe im running a 20x10.5 rim. I wanted to go a bit bigger but afraid the side wall will be to small. If anyone runs a 305 25 20 size tire please post a pic of your car thanks

 

wow you wanna go with a 25 tire thats thin, i had a 285/25 tire on my G and you just felt every lil thing on the road so i put the factorys back on

 

25 is thin. I have 35 and thought about doing only30 in the rear only. If you like the bumpy road, you will fell everything

 

305/25/20 has the same amount of sidewall as a 275/30/20 guys, you can't just look at the series and think it's a super thin tire.

The series is a percentage of the width. So the side wall on the 305/25/20 tire is 25% of 305mm, which is ~76mm

 

there is no way 76mm is 3inches. a 305 25 20 no way has a 3inch side wall because my 285 30 20 does not even have a 3inch wall.

 

1 inch = 2.54 cm = 25.4 mm

 

http://www.1010tires.com/TireSizeCal...?action=submit

The 305/25/20 will have a smaller sidewall by almost 3/10th of an inch (3.0" vs 3.36").

305/25/20 =
305mm wide
25 (aspect ratio) percentage of the width (305)
20 rim diameter.

 

lolololololol

pwned in a bad way.........................................

 

yeah looks like the 305 25 20 will be a good bit thinner then the 285 30 20

 

I get mildly irritated while driving and i have 275/30/20, you just hear and feel everything you drive on.. Looks good though, so do it!

 

BAHHAHAHAHHA. 1 inch is 25.4mm, good try though...

 

OP, you wanted pictures originally, if you still do check out: http://www.rimtuck.com/search/thumbn...del=G35+coupe&

You can filter that more if you want, but some food for thought.