This game has some issues. The problem I ran in to is the whobbly wheels problem. This happens when a vehicle is in a cut scene then part of a mission. The car still has whobbly wheels and cannot drive fast. For certain missions this is game breaking. I looked online and found the solution was to limit my GPUs Framerate to 30FPS then it worked perfectly for me and there were no more issues. I used Nvidia Inspector for this, a third party program. Download at your own risk. Just know if you have whobbly wheels this is more than likely your solution. I wish GOG would just fix the game and limit frames per second themselves so I do not have to go into nvidia inspector every time I want to play the game and set my fps to 30 every time, but this is how it is.
