IS - 3rd Gen (2014-present) Discussion about the 2014+ model IS models

Tires?

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Old Jun 28, 2017 | 03:56 PM
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Default Tires?

So I bought some new 19x8.5 +35 & 19x9.5 +40 wheels for my car and im trying to find all season tires to go with it but I'm not having any luck. I wanted to go with 225/35/19f & 255/30/19r tires as I see everyone recommending those sizes but I can't find any of the big name tire brands in those sizes. For you guys running a similar set up can you please comment on what tires you guys are using? I wanted to go with those sizes to minimize the chances of rubbing since im also lowering the car but now im considering just going 235 & 265 tires. I wanna get them installed this weekend so any hep is greatly appreciated!
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Old Jun 28, 2017 | 04:04 PM
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If you check tirerack.com, you can see the specs on the tires. I would suggest the 235 and 265, just pick a tire that has the smallest Tread Width. You can find the Tread Width under the Specifications for each tire on tirerack.com.

Here's an example:



Here's some recommended tire sizes:
Stock F-Sport Wheel specs
18X8 +40 225/40/18
18X8.5 +50 255/35/18

19 inch upgrade with staggered fitment:
19X8.5 225/35/19
19X9.5 255/30/19

19 inch upgrade with staggered fitment - with plus size on tires:
19X8.5 235/35/19
19X9.5 265/30/19

19 inch upgrade with staggered fitment - with plus plus size on tires:
19X8.5 245/35/19
19X9.5 275/30/19
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Old Jun 28, 2017 | 04:10 PM
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Thanks for the reply Sasnuke but the issue isn't deciding on the tire size, my issue is that I can't find tires in those sizes that are all season. All the tires I am coming across seem to be summer tires so im not sure if im just searching incorrectly or if there actually aren't good all season tires made in those sizes.
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Old Jun 28, 2017 | 04:18 PM
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Originally Posted by Miintt
Thanks for the reply Sasnuke but the issue isn't deciding on the tire size, my issue is that I can't find tires in those sizes that are all season. All the tires I am coming across seem to be summer tires so im not sure if im just searching incorrectly or if there actually aren't good all season tires made in those sizes.
Why do you want All Season? If I lived in Cali I'd be going for Summer tires only. I have summer tires on mine (OHTSU FP8000) and winter tires for when the snow hits the ground.
Have you tried looking for All Weather tires? They are different than All Season.

All Season options in 235 and 265:
Continental ExtremeContact DWS 06
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Old Jun 28, 2017 | 04:42 PM
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Originally Posted by Sasnuke
Why do you want All Season? If I lived in Cali I'd be going for Summer tires only. I have summer tires on mine (OHTSU FP8000) and winter tires for when the snow hits the ground.
Have you tried looking for All Weather tires? They are different than All Season.

All Season options in 235 and 265:
Continental ExtremeContact DWS 06
Summer tires have a shorter tread life and I'd rather just play it safe with the all seasons. I did try to google all weather tires but all I see are articles explaining the difference between tires lol.
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Old Jun 28, 2017 | 06:56 PM
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The issue is the size tire you want is really a summer performance tire. The Continentals are used by many members here and they speak highly of it.

Here is a description of "ALL-WEATHER" tires from the Nokian website (and they don't have the size you need either):

What does "All Weather" tire really mean?

Nokian invented the All Weather tire category specifically for the North American market where drivers typically prefer to use one set of tires all year. Designed as a winter tire first, our All-Weather lines can be used year-round and still provides class-leading winter grip. Further, unlike other winter tires it will not be damaged if driven during the summer months.

Are the Nokian WR G2/WR G2 SUV and WR G3/WR G3 SUV Winter tires or All-Season tires?

We refer to them as All-Weather tires, not All-Season tires. Whereas All-Season tires are best suited for spring, summer, and fall and can handle some winter conditions, the WR G2/WR G2 SUV and WR G3/WR G3 SUV are true winter tires that can also be used during the rest of the year. This differs from winter-specific tires that should not be driven in the warmer months due to excessive tread wear.
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Old Jun 29, 2017 | 08:34 AM
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Sasnuke do you have any experience with all-weather? Sounds like they might be overkill where I am since we have relatively light snow (but snow nonetheless) and fairly hot summers, since they are "winter tire[s] first".
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Old Jun 29, 2017 | 08:51 AM
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Originally Posted by arentz07
Sasnuke do you have any experience with all-weather? Sounds like they might be overkill where I am since we have relatively light snow (but snow nonetheless) and fairly hot summers, since they are "winter tire first".

I personally don't as I have always used Summers and Winters for my vehicles when the seasons change.
I did know someone that used the Nokian's on their 2010 Prius, year round, and they loved them.
They really are meant for year round use, even though they are designed as a winter tire first.
Up here when we get snow...we GET snow!
I can only speculate that for light snow these might still be the way to go if you were looking at All Season to start with.
Limited availability and sizes from manufacturers may keep you from buying a set though.
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Old Jun 29, 2017 | 11:24 AM
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Depending where you are in CA you will be able to run summer tires year round. I ran RE11's year round and had zero issues.
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Old Jul 3, 2017 | 04:23 PM
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I ended up going with Hankook V12s. Does anyone have any sugestions for how much psi to run in the tires? The shop filled 38 in the rears and 36 in the fronts.
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Old Jul 3, 2017 | 05:19 PM
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Originally Posted by Miintt
I ended up going with Hankook V12s. Does anyone have any sugestions for how much psi to run in the tires? The shop filled 38 in the rears and 36 in the fronts.
What size tires did you end up going with?
With lower profile tires, I would suggest going a little higher than the factory recommended.
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Old Jul 4, 2017 | 12:15 AM
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Originally Posted by Sasnuke
What size tires did you end up going with?
With lower profile tires, I would suggest going a little higher than the factory recommended.
I went with 225/35/19f and 255/30/19r
The shop put 38 psi in the rear tires and 36 in the fronts but the car feels a little bouncy at higher speeds. I'm not sure if thts because of too much tire pressure or if it's something with the lowering springs.
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Old Jul 4, 2017 | 11:00 AM
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The oscillations of the vehicle, or "bounciness", is controlled by the shocks/struts, not the springs.
Springs will only control ride height. If the vehicle is lowered on springs with the factory shocks/struts, then they are simply operating in a different range than before, so the car will feel a little different under certain driving conditions.
Tire pressure, personally, is subjective to the driver.
The factory recommends 36PSI all around. Once you move away from the factory wheels, then it's trial and error.
For my 20 inch rims, if I set them to anything under 38PSI I get a very (and I mean very) slight vibration and the vehicle feels mushy (wish I had a better word to describe it).
If I bump them up to 41PSI all around, the ride is way to harsh, but the vibration is gone and it doesn't feel mushy anymore (I really need a better word than mushy).
So i'm experimenting with a pressure around 39-40 PSI to get the best of both worlds.

I can only suggest you do a little testing of your own. Bump them up to a higher pressure and drive for a few days...see how it feels, and then adjust accordingly.
It will take a little time to get it just right, but it's worth it.
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Old Jul 4, 2017 | 12:51 PM
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Sounds good, thanks for the advice Sasnuke!
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