Looking for suggestions: Taller tire for stock rims (2017 SX) - Kia Forum

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post #1 of 11 (permalink) Old 06-25-2019, 10:37 AM Thread Starter
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Looking for suggestions: Taller tire for stock rims (2017 SX)

I am getting close to that time where I will need to consider new tires. I don't like the lower profile tire that came on the stock 19 inch rims. I would like to fill the wheel well more and enjoy a little more comfort from the taller tires. Anyone here have any recommendations on what I should be looking at?

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post #2 of 11 (permalink) Old 06-25-2019, 11:24 AM
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I'm interested as well.

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post #3 of 11 (permalink) Old 06-25-2019, 02:02 PM
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The problem is if you end up with a larger diameter tire, your speedometer's gear will have to be calculated and changed to compensate for the new diameter otherwise you'll be going faster than the speedometer readings. The other thing to consider is how will the bigger diameter affect the electronics as in engine tune and especially transmission shift points? (I'm really not sure if this would be a issue).
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post #4 of 11 (permalink) Old 06-25-2019, 02:06 PM
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Cant imagine an inch or two here and there will be an issue. Not putting on mudders or slicks.

The stock low profile tire is terrible. I like the larger rims but this isn't a car.

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post #5 of 11 (permalink) Old 06-25-2019, 04:24 PM
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It's not just speedometer, it's all the other stuff like stability control, autonomous emergency braking etc... that is tied directly to the factory tire size. For all that stuff to work correctly, you need to maintain the exact same overall diameter of the stock tire / wheel package.
To achieve a taller profile in the sidewall, you would need to step down in rim diameter and select a tire to keep that original overall diameter. Also taking into consideration the size wheel required to clear the brake hardware.
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post #6 of 11 (permalink) Old 06-25-2019, 04:28 PM
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for the SX you can step down from 19 inch to 17 inch wheel, and use a P225/60R17 tire to get the correct overall diameter. I am not sure of the exact sizes going from 18 to 17
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post #7 of 11 (permalink) Old 06-25-2019, 06:17 PM
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i went 1 size taller on mine, no noticable difference in speedometer until you get to around 60mph, then you're still only going 1mph faster, at 80mph only 2 mph faster than stock size.
also turn your steering wheel all the way to the left, check both wheel well clearance. turn it all the way to the right and check both wheel well for clearance.

https://www.kia-forums.com/3g-2011-2...en-pro-g4.html

use a tire calculator comparison if you're going with smaller wheels and taller tires.
https://tiresize.com/calculator/

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post #8 of 11 (permalink) Old 06-25-2019, 08:51 PM
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225.60.17 but I may go 235.60.17 for my next all season setup.
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post #9 of 11 (permalink) Old 06-25-2019, 10:34 PM
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I have used these for replacements Twice! I love them, I never had a better all around tire! I got to about 40k miles on them, after the orig. tires wore out, only looked 1/2 Worn! On my 2011 Sportage before I traded it for the Sorrento. Best Bang For The Buck! IMO > https://www.tirerack.com/tires/tires...um=36HR7AMRT43

Some previous Hyundai/Kia vehicles: 2002 Santa Fe LX V6 AWD, 2005 Tucson LX V6 AWD, 2010 Tucson GLS 2.4L AWD, 2011 Sportage EX 2.4L AWD, 2015 Sorento Ex V6 AWD
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post #10 of 11 (permalink) Old 06-26-2019, 12:42 PM Thread Starter
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Quote:
Originally Posted by pcguy View Post
It's not just speedometer, it's all the other stuff like stability control, autonomous emergency braking etc... that is tied directly to the factory tire size. For all that stuff to work correctly, you need to maintain the exact same overall diameter of the stock tire / wheel package.
To achieve a taller profile in the sidewall, you would need to step down in rim diameter and select a tire to keep that original overall diameter. Also taking into consideration the size wheel required to clear the brake hardware.
Is the shop not able to update this info in the onboard computer? The EX model, for example, has a larger overall diameter on its 17" rims thanks to taller tires. So the EX fills more of the wheel well than the SX.
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