Hi, thanks a lot for your kind feedback. Sadly we are aware of this issue, we tried to fix it but it's a hard limitation we had with unreal physics and the way we coded the car, at bad framerates the car simulation becomes super unstable :(
I'm sadly in the same boat. I really wanted to play this but the vehicle dances and flips all over the place even without pressing anything and is impossible to control since pushing any direction makes it zoom in that direction at the speed of light lol Since my computer is older, I'm just assuming the framerate is the issue. Great job with the game anyway!