How much does it cost to put an alarm system on your car?

How much does it cost to put an alarm system on your car?

Installation of a basic car alarm typically costs another $50-$200 or more, depending on the complexity of the system and the ease of access inside the vehicle's dash, bringing the total cost to $80-$500.

Do car alarms really work?

While no current studies definitively prove that car alarms aren't worth the trouble, the data does suggest that vehicle recovery systems—such as OnStar and LoJack—and immobilizers (computer chips in your key that the car must sense in order to start) are more effective than audible alarms.