10 Best Car Alarm Systems 2025 in the United States

The Compustar CS7900-AS is a solid choice for those looking for a comprehensive car alarm system with remote start capabilities. Its standout feature is the impressive 3000-foot range, allowing you to start or secure your vehicle from a considerable distance, which is particularly beneficial in large parking lots or when you're not right next to your car. The system comes with a 2-way interactive remote, providing visual and audible feedback, so you're always aware that your commands have been received. This is an excellent feature for anyone who values reassurance in car security.

The CARLOCK Anti Theft Car Device is a robust car alarm system designed to provide real-time tracking and immediate notifications of suspicious behavior through a phone app. The system monitors vehicle movement, engine start, and unusual vibrations, sending alerts directly to your smartphone, which makes it convenient for users who want peace of mind without worrying about their car’s safety. Additionally, it helps parents monitor their teenage drivers by tracking harsh acceleration, hard braking, and sharp cornering.

The Viper 350 PLUS 3105V 1-Way Car Alarm Keyless Entry system offers robust security features for your car. It includes a 3-channel security/keyless entry system with two 4-button remotes that make locking and unlocking your car convenient. The system boasts a FailSafe starter kill, which helps prevent vehicle theft, and an anti-carjacking and panic alarm feature for added safety. The Revenger six-tone soft-chirp siren is loud enough at 121 dB to deter potential thieves, and the bright blue status LED provides a visual deterrent as well. Additionally, the parking light alarm response ensures you can easily identify when the alarm has been triggered. The Stinger DoubleGuard shock sensor is included for extra security, detecting any unusual vibrations or impacts.