Systems and methods for monitoring and analyzing vehicle data within a vehicle and providing analytical processing data to prospective users of vehicles are disclosed. In one embodiment, a method is disclosed comprising monitoring a communications bus installed within a vehicle, the communications bus transmitting data recorded by one or more sensors installed within the vehicle; detecting a message broadcast on the communications bus; extracting an event from the message, the extraction based on a pre-defined list of event types; storing the event in a secure storage device installed within the vehicle; determining that a transfer condition has occurred; and transferring the event data to a remote server in response to determining that the transfer condition has occurred.