Cars are probably broken into less than gym lockers. A locked door on a car is typically sufficient deterrent, as the thief will just prowl for an unlocked one. A lock on a gym locker is apparently not enough deterrent.
Over here in Europe, car burglaries are common, and often insurance covers burglary to a locker (as locker is meant for safe storage) but not burglary to a car (as a car is not).
