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Much change with 18's?

roobies

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Wheels I want are only available in 18's currently (several month wait for 17's). Other than increase in cost for the wheels and tires, will I experience any negative effects in ride quality or capabilities of my 2023 JLUR?
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Howardlv22

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They ugly don’t do it, everyone wants more meat 🥩!!! Haha if that’s your style go for it, but a buddy of mine did that at a local shop they talked him into 18’s and it doesn’t quite look right, he hates it Ofcourse, that extra inch really likes to get rock rash
 

58Willys

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I had a ‘05 Toyota Matrix, and my mom had an ‘06. The ‘06 had 16” wheels and the ‘05 had 17” wheels with lower profile tires. I did a test one day on the same stretch of road. The 17” wheels with the lower profile tires handled much better in weaving through the dashed center line, but had a much choppier ride.
 

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My Sahara Altitude shipped with 32s on 18s, and I picked up some Rubicon take-off 33s on 17s. I immediately noticed a softer ride, which is quite nice.

It's basic math - a 32" tire on an 18" rim has ~7 inches of sidewall. A 33" tire on a 17" rim has ~8 inches of sidewall. That extra inch makes a big difference in the softness of the ride.
 

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roobies

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My Sahara Altitude shipped with 32s on 18s, and I picked up some Rubicon take-off 33s on 17s. I immediately noticed a softer ride, which is quite nice.

It's basic math - a 32" tire on an 18" rim has ~7 inches of sidewall. A 33" tire on a 17" rim has ~8 inches of sidewall. That extra inch makes a big difference in the softness of the ride.
Doesnt sound like much would change in my case then. Going to 18's with 35's may even add some sidewall for me.
 
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roobies

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They ugly don’t do it, everyone wants more meat 🥩!!! Haha if that’s your style go for it, but a buddy of mine did that at a local shop they talked him into 18’s and it doesn’t quite look right, he hates it Ofcourse, that extra inch really likes to get rock rash
The additional rash could be a problem. Or, I could look at that as character :)
 
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roobies

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This is what I am looking at.
Jeep Wrangler JL Much change with 18's? fuel-d755-reaction-gloss-black-red-tinted-milled-accents_1
 

Carlton

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An 18 inch wheel really limits tire selection. Additionally, it seems many of the tires available in an 18" wheel are load E and F.
 

nickberkeley

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Given you plan to go up to 35" tires, I feel you will have plenty of rubber no matter if it is a 17" or 18" rim. (sidewall height on 18" is 0.5" less than with a 17" rim)

What I would do is look at what tires are available in each size. I do believe there may be a few more options with 17" but each seem to have a decent amount in this size. With either rim size, you're probably looking at D or E or F load. You definitely don't want to pick a rim size and then be unhappy at the tire (brand/model) options you are stuck to...

My last comment is look at actual tire diameters when looking at tires, because they are not always what they seem to be.

35x12.5r17 is around 34.5" (sidewall height ~8.8")
35x12.5r18 is around 34.5" (sidewall height ~8.3")
305/70r18 is around 34.8" - 35.1" (sidewall height ~8.5")
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