Time to replace tires?

[CFL Stinger]

Hello

I read a lot of posts here but I'm still not sure if I should or not replace my Stinger tires. I currently have about 19k miles on my Stinger and as I never had a sport performance tire before I'm not sure if I should replace my tires.

The wear mark seems to still be okay but I have seen people here saying that these tires last about 20k miles and as I'm close to it I'm wondering if I'm missing something.

Thanks!

 

[Sabs]

Those still look good.

If you don't drive aggressively and mostly do highway/freeway driving you may get more miles out of the tires than others do. Alignment and tire pressure can also play a factor.

Circled below are the wear bars. When they're below the surface of the tread, you're good. Once a wear bar aligns with the tread at any point, it indicates the tire should be replaced.

 

[NS_Stinger]

Also another classic case of KIA having us run too high of a tire pressure on these tires, you can clearly see the middle is wearing much more quickly than the outsides of the tread. I lowered my rear tire pressure by 4psi because of this to see if it will prolong the tread life a bit more.

 

[CFL Stinger]

Those still look good.

If you don't drive aggressively and mostly do highway/freeway driving you may get more miles out of the tires than others do. Alignment and tire pressure can also play a factor.

Circled below are the wear bars. When they're below the surface of the tread, you're good. Once a wear bar aligns with the tread at any point, it indicates the tire should be replaced.

View attachment 51603

Thanks

 

[MerlintheMad]

I'm wondering if I'm missing something.

Yeah, the thing missing is excessive tire wear.

I wore down the outer edges of my front tires before the center; especially the LF outer edge - even had some lifting of the tread:


To try and even this out, I run my tires above the recommended psi; when fresh on, they are 40 psi cold, and I haven't put any air in since March; the TPMS shows a good 5 psi lower than my handheld tire pressure gauge; after tomorrow, I'll know which one is closer to the gauge at the place where I get my tires serviced (putting the A/S Nitto Motivos back on tomorrow). This is still an experiment in progress. I'm satisfied so far: in order, RR, LF, RF, LR (the rear tires have c. 4K miles more on them than the fronts; as near as I can tell - running 4-5K miles during the winter, subtracted from my total mileage, the remainder being miles on the Michelins - currently I have c. 16K on the fronts, and 20K on the rears; these are PS4S, put on in early August and early September last year.

 

[MerlintheMad]

I was interested to finally resolve the question I have had for over a year, vis-a-vis what the psi differences are between my handheld gauge, the TPMS and Wheel Werks. I take it that a psi gauge at a tire/wheel shop is going to be the most high quality tool out of the three; so their 40 psi is the baseline. The TPMS is next at 41, 41, 42, 42; and my handheld gauge is c. 43 psi; so, not quite as off as the 5 psi I suspected. Before I rolled to get my winter shoes put on, the cold psi of both sets of tires showed 37, 38 by the handheld gauge. That means that an entire summer of driving and sitting on the shelf lost only c. 5-6 psi; not bad!