Kia Ceed Long-term quality

Hello Kia driver, slowly my Astra comes into the years and replacement has to come. My dealer also runs Kia and a test drive with the new Ceed 1.6 CRDI SW took place already. The thing convinced me, also qualitative. Unfortunately, the nothing says about the long-term quality and a car that starts to clap after 50Tkm, knarzen etc is a greul to me. So, how does it look at the Ceed, has one still after years its calm? Or is the Venga an example, which in the continuous test technically shines but after 20Tkm already started to scrape on the dashboard ? Ask for reports of many years of KIA driver. Thanks and mfG