The car feels unstable at 90 km/h, how can I fix it?

Hi everyone, I just got my McLaren two months ago. When I hit around 260 km/h, the car feels a bit unstable. What's going on? 🤦‍♂️ I see those abroad driving over 300 km/h and staying stable. A few times, I felt like I was losing control of the steering.

Is it normal for the Lancer to feel a bit unstable at 120 km/h?

How fast can the 2019 Yuxiang go? At what speed does it start to feel unstable?

Does this car feel unstable when driving at 160 km/h on the highway?

The car feels unstable at 90 km/h, how can I fix it?

How can I remove the 120 km/h speed limit?

I have a used Suzuki SX4 AWD with 130,000 kilometers. In extreme cold weather (minus 40), it drives very steadily. However, when the temperature rises to around 5 degrees above zero, it feels a bit floaty and unstable at speeds of 80 to 100 km/h. Can fellow car enthusiasts offer some advice?

At 120 km/h, how many RPMs does your Honda City engine run at? Mine goes over 3000 RPM. Is that normal, and how can I fix it?

When driving at speeds between 80 and 90 km/h, the car's chassis vibrates, but it becomes smooth again at speeds of 100 km/h. What could be the reason for this?

Hi everyone, I have a 2013 Yuxiang, and I'm noticing the RPM is high. When I drive at 100 km/h, it's at 3100 RPM, and at 120 km/h, it's at 3500 RPM. How can I fix this?