Can't say much about CC6 but I had CC5 for 48K kms and then switched to ES32 that has now done about 52K kms so far and this is my comparison of both tyres on same car.
Road grip
Compared to CC5 ES32 is very inferior tyre in terms of road grip which matters the most. It's quieter and more comfortable but I wouldn't compromise on safety for comfort. I had CC5 for 48K kms and I never felt the tyre loosing grip while braking in both dry and wet. But when I got ES32 it would spin out a little on the same garage ramp where CC5 never had any trouble even just before replacing them. I thought this was odd new tyres loosing grip like that, later I experienced in normal driving too when some times I braked hard it would slip out and ABS would come on.
Noise
CC5 got a little noisy after 10K but ES32 is still is comparably very quite even after 50K.
Comfort
The difference in comfort is not very drastic and ES32 is more comfortable driving over bumpy roads.
Punctures
I got many punctures on CC5 through it's 48K life, I think about 7-8 punctures in total while ES32 had no puncture till 30K but now has 4 puncture since then, 2 of them recently in last couple of weeks.
Conclusion
I was disappointed with ES32 after driving 5K kms and wanted to get rid of them but decided to keep them till 20K kms and then switch to CC6 but later got busy with things and kept postponing the plan so I still have them on.
I have heard CC6 is quieter and more comfortable compared to CC5 so I will move on to CC6 eventually soon, I hope so.
CC5 I had was made in Malaysia. I don't remember the made of ES32.
CC5 I got from some shop in neela gumbad while ES32 was shiekh brother stamped got it from tyre point at metro near air port.
