MI-4227 Server, Xbox
Car will randomly sink into map, sometimes causing death, sometimes not. Following this, engine will run indefinitely, without any ability to turn off. Switching car gear to "Reverse" will then cause the acceleration to max out, hitting speeds over 200+kph.
Car also unable to achieve any kind of reasonable traction up a hill.
Exiting vehicle will sometimes lead to death, or simply reset, placing the character next to the vehicle, unharmed.