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 How do you judge a tyre

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TShelven
post May 7 2023, 10:06 PM, updated 3y ago

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Evening everyone.

Given context:
Ford Fiesta, 1150kg, tyre size 195/55R15

By reading the forum, I found people commenting about this tyre good, that tyre not good, this good on wet.
I would like to know, how do you guys judge the tyre performance? in what context and measuring method makes you conclude that this is good and that is bad?

Dry/Wet Grip:
Like do you test it personally in rain? Purposely run into the water in highway? jam break? sweep corner?

Noise:
Do you feel by your ears only or you have device to record the dB?
There are many factors can affect the noise, how do you judge if it is good? solely base on feel?

Comfort:
This is very subjective, absolutely hard to gather data such as vibration generated on this road

Treadwear:
This is easy, can count by mileage

I am currently using Toyo CR1, I can't tell if it is good and can't justify the money spent. I have also use XM2 previously, I feel both are same with RM100 price difference per tyre (absolutely noob that I don't have the capability to differentiate both), I feel XM2 seems to last longer than CR1.
The only reason if ppl ask me why I se CR1, i can only tell it is more budget friendly and it is not unknown brand.
Thus would like to learn how should I judge a tyre.

This post has been edited by helven: May 8 2023, 12:35 AM
TShelven
post May 8 2023, 12:34 AM

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QUOTE(slaveone @ May 7 2023, 10:38 PM)
grip, in the wet, dry and when braking.

noise is secondary as i think the vehicle should have better NVH in the first place.
*
how do you measure if the grip is good, by braking distance? or time it takes to stop?
i have CR1 and XM2, big price gap, they do stop when i hit the brake, my question is how do i measure to justify one is better than another?
TShelven
post May 9 2023, 03:20 PM

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QUOTE(zeng @ May 8 2023, 07:53 AM)
I evaluate based on tyre mileage driving at up to 120-130 kmph on a car that topped at about 140-145 kmph and take 90 degree turn (bypass at traffic lights) at 45-55 kmph on a 4 lane urban road in Klang valley.

My vote goes to XM2, currently with a + sign which has given me a tyre life of 110-115K km consistently for a decade or more.

Edit: The latest 2-3 pairs of tyres has no single tyre rotation or tyre balancing done in between, and stays in the same corner/position for 11xK km.
*
so like do I rev up to 140kmh, then brake and take corner at 45kmh?


QUOTE(technosakai @ May 8 2023, 09:29 AM)
if your car got abs, then wanna test out performance in wet braking, just find an empty road, jam brake when safe, see how far it takes to stop. Next time when you change another tyre (different brand) try again and see?
as for wet grip, sometimes you can feel it when driving through corners, on painted lines.. you'll feel the tyres not reacting to your steering input.. especially when you passed by those construction areas with the temporary yellow lines for temporary change in the lanes.. those are slick af.. I kena before, steer right, but car kept straight.. sketchy

as for noise, just use your ears lo.. surely you'll drive the same road everyday in and out when go to work or coming home.. try to observe and see how loud / noisy is it when you're using 2 different set of tyres?
of course the road surface plays a role, rough or newly paved, but then its your everyday road.. surely you'll notice the difference

comfort - tough to judge. suspension also comes into play, unless you really go bump into potholes and go through speedbumps at high speed.. but why wanna wreck your car just to test comfort right? so pass...
*
does triggering abs do any damage to my car or just consuming brake pad and tyre?


QUOTE(ktek @ May 8 2023, 10:29 AM)
becos he asking these choice cr1 xm2. im sure he been daily driven to place as you mention but did not notice any diff to trigger abs
prolly not a laju guys.

so he need quantitative (numbers, values) method to tell
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yup yup im not a laju guy, non of my friend does, just a normal daily driver. Thus I have no experience with what is safe to do and what is risky, not able to tell the tyre performance. I do watch some driving video, and there is tire squeal noise when they take sharp corner, is it safe to perform?

QUOTE(andrekua2 @ May 8 2023, 10:44 AM)
I think this statement alone says everything you need to know. What concerns you is the cost and not performance. Hence you are probably not driving fast enough to feel the difference between each tyre make and model.

Tyre manufacturers have categorized their tyres as well, just like cars. There are budget tyres, high performance(HP) tyres, ultra high performance(UHP) tyres, semi slick and so on. Of course when consumers are comparing, they are comparing tyres that are within the same/similar/closely related category. For example, if they want UHP, they will be comparing Michelin PS4 which is Michelin UHP against Continental MC6 (which is also Continental UHP). Sometimes they will also compare touring with UHP like PS4 vs Primacy 4 for users who are concerned about noise and willing to sacrifice a bit of performance.

Therefore when you are upgrading from XM2, they would instantly be able to tell you that you will get a much better experience with say PS4 or Primacy 4 if you are willing to spent the cash, since XM2 is a budget tyre from the same manufacturer.
*
Would you mind to recommend a tyre model to try? like an noticeable upgrade from my CR1? I've heard of PS3 but not sure this tyre belongs to which category

QUOTE(technosakai @ May 8 2023, 12:02 PM)
damn.. you guys are always triggering your cars' ESC and ABS when driving?
so easy to trigger one meh? all kaki balap?
*
never once in my life I see ESC or ABS light up after 10 years of driving car with both features.

This post has been edited by helven: May 9 2023, 03:25 PM
TShelven
post May 10 2023, 12:28 AM

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QUOTE(andrekua2 @ May 9 2023, 05:15 PM)
PS3 also belongs to UHP.

The thing is that each and every tyre behaved differently. Some had stiffer sidewall for solid cornering and hard braking whereas something like PS3 is more towards comfort with its softer sidewall and low noise. It's too general to even recommend you anything since you don't even have a starting point to compare.

Michelin is usually regarded as a safe choice because it's usually good in both dry and wet while also being comfortable and less noisy. Others like Continental may push the boundaries more with better cornering but be prepared for harsher ride and higher noise level when going through bad road.

Personally I wont recommend u anything since I dont think you need it. A good driving behaviour trump good tyres any day.
*
Understood. I will go google/youtube more about tyres. Thanks and cheers

 

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