18x9 Tire Size

[Jconlin16]

Hi all,

I have asked before about running into any issues with a 245/35/18 and that seems to be ok. I'm 98% sure that I will be buying Super Sports for them. That being said, which is preferable? 245/35/18 or 255? I'm wondering what the pros/cons will be with these sizes.

They will be on a square set of Apex EC-7 et 42.

Thanks!



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[Vas]

I would do a 245/35/18 unless you want more tire up front.

[johnrando]

I'm very happy with my 245/35/18 square with SS. Not sure of the pros/cons of the 255s but they fit. I guess 1 con is the price on the 255s w/b higher.

[Jconlin16]

That sounds great, 245 it shall be. Thanks for the input!


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[ELCID86]

^ good call. Use tirerack link.

[Jconlin16]

Will do! ^^


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[Hermes]

On a 9" wheel? I would probably run 255 minimum. I'm running 245 on a 8" wheel

[johnrando]

Good point to go bigger on a bigger wheel JP. Guessing it no fitment issues?

[Hermes]

No issues on my car with 245 in front. If i was on coilovers I would probably have 275 in front

[johnrando]

You have 18 x 9?

[Jconlin16]

Hmm... So a 245 square is too narrow?


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[Vas]

I don't think it is. Personally I wouldn't want a lot of tire on the front axis.

[UdubBadger]

Hmm... So a 245 square is too narrow?


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Not too narrow but might be a tad small. 225/45/18 is standard size. 255/40/18 is also standard size. You're still going 5% less sidewall as well as 10mm thinner. I'd do 245/40 or 255/40 or else they're gonna look really small on the car.

My 255/35s look small on my M and its dropped on coils


Check the rim width range on the specs on tirerack, that's best indicator.

[Jconlin16]

Ahh alright, now I am leaning towards a 245/40 (they are even a little cheaper). I definitely appreciate the input.

Do you have any pics of your 255/35?

I'm not sure when I'll buy them just yet, wont need them until spring. Just trying to decide what is best for me.

[UdubBadger]

I do but tapatalk doesn't let me upload photos

Check my build thread in my sig or the thanksgiving/fall photo contest thread

They're the EC7s

[Johal E32]

245 or 255 is perfectly fine on a 18x9. A lot of people I have met run 245's or 255's, don't want to oversize them but a little undersize is okay.


My buddy runs 215's on his 18x9's..

I ran 245's on the front of my 18x8's and did not like it, car tramlined like crazy even with good tires and suspension. But the grip was amazing.

[derbo]

I ran 255/35/18 squared on 18x8.5. I feel a 9 should have 255 as that is the native recommended size for a 9inch. :)

[UdubBadger]

.5" won't make too much difference. If anything it will just give you less of a bit buffer for any potential curb you brush