Swift feel versus other cars

[YangCheolIn]

So I have been on swifts since I bought my 2012, but noticed something after driving both my friend's M3 and his gf's BRZ in the SF city streets and backroads: they are less bumpy and still feel awesome when turning under acceleration. I feel as if my Z makes loud noises when it hits cracks and bumps in the road and I can feel them a lot more than the othed two cars.
And so my questions: 1) are other cars (thinking cayman s next) as bumpy and loud as a z with swifts? 2) what is the remedy? Get german suspension setup? Konis and swift fix this?

Thank you