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Old 09-05-2013, 10:27 PM   #1
redrexmeister
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Default 225/45/17 or 235/45/17 on 17 x 7.5 wagon rims?

Hello there,
I'm thinking to go with wider tires on my 04 wagon. I noticed that many wagon owners successfully run wider 235/45/17 tires. My current rims are 17 x 7.5, and in the past I ran 225/45/17 tires on these rims with good results.

Looking at tire manufacturers specs 235 wheel should fit 7.5 -8.0-9.0 size rims
and 225 tires fit 7.0-7.5-8.0 size rims. So either tire correctly fits the rims as per manufacturer specs.

As stated, my preference would be to go with 235 tire, but the concern is that my rims are on the low end of rim width recommended for this size tire. If i go with 235 tire on 7.5 rim, would I experience significant additional tire flex/mushiness( vs tried and true 225)? in other words having wider contact path won't give me any advantage as compared to 225? The tire I'm considering is General G-Max AS-03.

Thanks for your thoughts.
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Old 09-05-2013, 11:06 PM   #2
Big-E
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235/40-17, not "45"

Will fit a 7.5" wide rim
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Old 09-06-2013, 07:36 AM   #3
redrexmeister
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I was thinking about it, but did not find suitable choices in 235/40-17 category (i.e. all-season uhp). There are couple of summer tire models by TOYO, but as per manufacturer spec they all require 8.0-9.0-9.5 rims. Mine are 17 x 7.5 rims.

Thus, with the choices available I think I'm stuck with 235/45-17 if I like to go a bit wider. From 235/45-17 specs using 7.5 rims is ok, but I'm worried if this would be a disadvantage since my rims are on the skinny side for a fatter tire.

Last edited by redrexmeister; 09-06-2013 at 07:48 AM.
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Old 09-06-2013, 11:47 AM   #4
Uncle Scotty
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i would use a 225/45 on that
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Old 09-16-2013, 10:18 AM   #5
Cliff P
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I have 235/45zr17 Hankook Evo12's on my STi Forester wheels (17x7 5x100).

Top wheel is with 215/45z17. Bottom with the new Evo12:



Tire contact patch is 1" wider (measured) than the 215. I have zero fitment issues whatsoever.
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