QUOTE(6UE5T @ May 17 2023, 12:39 PM)
For grip and performance in the dry/wet, I do drive a bit faster/more spirited than avg. For example I often drive up/down Genting so I can feel more on how the handling behaviour of the tires, do they slide earlier, do they give more responsive steering or the car becomes more darty, do they give stable feeling on the fast highway sections, or do they feel a bit wobbly, do they aquaplane easily etc. I am nowhere near a professional driver and tire reviewer like Jonathan in tirereviews UK so I can only evaluate up to my limited experience and driving skill though, and comparing between
similar class tires is very difficult like PS4 vs F1A5 for example, but if compare PS4 vs lower category like XM2 then much easier to tell the difference.
For noise, I don't pay much attention to it but should be just easily judged by ears.
Comfort, just feel when going thru rough surfaces, do they give more cushions or feel dampening/softer.
First I like the word "similar" here. F1A5/F1A6 is kinda sandwich between UHP PS4/PS5 and UUHP PS4S. Without owning the F1A5/F1A6 before, it seems closer to UUHP in terms of performance from the tyres review.
I used to think like you "
how different can they be?", until I replaced my CPC6 with CSC7 recently (
https://www.tyrereviews.com/Tyre/Continenta...rtContact-7.htm).
Although it is a class jump from UHP to UUHP aka max performance tyre, but judging from online review performance data both are very close.
Actually drive this thing is mind blowing, I could tell right away at least between CPC6 vs CSC7. Totally justify the additional U.
Handling - feels like shade 300kg off the fat 2 tonnes car. The car is a lot more agile in changing lanes. The delay after initial turn-in is gone, at least it feels gone until I drive it off the bat after get down from the other 200hp 1.3 tonnes car. Steering is also weighted more on high speed long swipe corner, despite I'm using same size replacement.
Braking - online review shows very near dry/wet 100km/h - 0 braking distance. Actual driven both tyres tell a lot more story, I couldn't imagine this before. The CSC7 is much much much more linear. Of all the tyres I driven before including new PS5, they need weight transfer to load the tyres for max grip. When started to brake, feel a certain level of braking force, with deeper brake pedal until the obvious front car nod, in the moment the grip surge. The CSC7 seems like don't need to load the tyres, just firm and linear from initial touch of brake pedal. It is so linear and so easy to control, feels like all I have to worry is modulate the brake caliper force, and less worry about the weight transfer. This make trail braking more precise, also less demanding on driver skills. On daily driving, it is also easier to avoid passenger head nod, more comfortable.
Noise - is an area not to take online review number literally. Well, I'm sure the decibels measured are accurate, but that doesn't take into account of the noise frequency, and variety of road surface. Actually this applies for both PS5 and CSC7 new tread pattern that shift the frequency to different range vs last generation tyres. Measured with machine still 72-73 dB, but they are less annoying and less intrusive for human ears. Specific to CSC7, on highway and on smoother pavement, it feels like almost no noise, until I pay very detail attention found that the tyres roar resemble the wind noise, sneaky smooth criminal to blend in. On bad pavement, it is quieter than CPC6 at low speed, but louder than CPC6 at mid 50-60km/h onwards.
Vibration - handle small vibration and big undulation better, and more comfortable than CPC6. But on the old pavement, where the tar is dried up, this when the CPC7 pass in hell lot of road feedback vs CPC6. The landing is still nice and sprung well, just super busy due to shear amount of them. Every single motion of the wheel can be felt through the steering clearly, guess this is due to stiffer side wall even-though I drop 2psi vs CPC6.
Break-in - CPC6 was super noisy initially, and took about 2000km to break-in and quiet down. CSC7 is quiet and comfy from the beginning. However CSC7 stick crazy amount of 1-2mm size tiny gravel, and if remove the gravel by hand, can see a layer of rubber coated on the gravel. There is also a corresponded mark on the tyre. Fortunately this is significantly reduced after 100-200km, only a couple gravels total from all 4 corners. Still quite stick though, good luck to anyone tailgate me.
Other thing like aquaplaning, I haven't have chance to test, but on day to day driving I'm not going to bothered by 4-5km/h slower than the top fastest aquaplaning of the group. Mid pack aquaplaning of the premium UHP/UUHP group is still fantastic, we should drive safely in such heavy rain anyway.
Overall completely satisfied with the performance and surprised by how little it sacrifice daily comfort (sure it hates the old dried tar pavement more than touring tyres). Would be interested to test the upcoming PSS5.
This post has been edited by constant_weight: Jun 10 2023, 11:39 PM 
May 30 2023, 01:32 PM
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