The Best Car Alarms for 2020

Having a car alarm system is a great additional layer of protection. We share some of the top features to look for, factors to keep in mind while shopping, and car alarm systems you should consider when looking to ramp up your vehicle’s security.

 Best One-Way Remote Car Alarm

Scytek A15 Keyless Entry Car Alarm System

Scytek A15 Keyless Entry Car Alarm System

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  • Siren with a horn
  • Starter-switch kill feature
  • Remote start

 Best Car Alarm for Loudest Siren

DS18 Two-Way Car Alarm System

DS18 Two-Way Car Alarm System

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  • 125 dB siren with 6 tones
  • Up to 3,000 ft. communication range
  • Activity notifications through LCD remote control

 Best Car Alarm with Automatic Locking

EasyGuard 2-Way Car Alarm System

EasyGuard 2-Way Car Alarm System

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  • LCD remote display
  • Automatic locking and unlocking within 3-6 ft. range
  • Shock sensors for activity notifications

The Best Car Alarms for 2020

Factors You Should Consider Before Buying a Car Alarm

Factors You Should Consider Before Buying a Car Alarm

  • Installation

    Be sure to check for installation requirements. Can the car alarm be self-installed, or should a professional take over the process for you? The last thing you’ll want is a car alarm that overly drains your battery due to improper installation. So if you or a mechanic are not the most knowledgeable, it may be better to go with professional installation even though it may cost an additional fee.

  • Range

    You’ll want to check the range of car alarm systems to ensure that your car will respond to your remote’s requests. For two-way remotes (devices that indicate whether your car has completed a request) you’ll want to ensure that you can get your car’s responses. So, if you’re parking a pretty good distance from your job, home, or any location, be sure to look at the range for each alarm.

  • Signal Encryption

    One important aspect to look for when considering an aftermarket car alarm is signal encryption. Some car thieves today are very tech savvy and may attempt to intercept your remote signals in order to unlock your car. To keep this from happening, look for car alarms that include signal encryption, protecting your remote’s requests.

The Best Features to Look for When Buying a Car…

The Best Features to Look for When Buying a Car Alarm

  • Shock Sensors – Be sure to look for sensors that are designed to detect forceful movement. Shock sensors can typically pick up if your vehicle is impacted in a forceful way and even glass breaking. These devices are especially handy in the event that something physically happens to your car while you’re away.
  • Anti-Theft Features – These features are similar to home security deterrence features. Anti-theft features can include sirens and kill switches. These features make it more difficult for thieves to accomplish their nefarious goals.
  • Mobile App Access – Car alarms that come with mobile applications make it easy for you to stay abreast of any detected activity with your vehicle. Some car alarms provide notifications through text messages.
The Best Car Alarms

The Best Car Alarms

  1. Best One-Way Remote Car Alarm
    Scytek A15 Keyless Entry Car Alarm System

    1. Scytek A15 Keyless Entry Car Alarm System

    Our rating

    Our take

    The Scytek A15 Keyless Entry Car Alarm is easy to install with a plug and play design. The remote has 1-way control, allowing you to issue commands to your vehicle. This Scytek Car Alarm system also has keyless entry and GPS tracking so you can keep tabs on your vehicle’s location.

    Stand-out features include

    • Easy plug & play installation
    • Keyless entry for your car
    • Starter-switch kill feature
  2. Best Car Alarm for Loudest Siren
    DS18 Two-Way Car Alarm System

    2. DS18 Two-Way Car Alarm System

    Our rating

    Our take

    The DS18 Two-Way Car Alarm System features a two-way car remote, allowing you to receive responses for your commands. The remote has a range of up to 3,000 ft. and has an LCD interface. This DS18 car alarm also includes a 125 dB siren that’s about as loud as an ambulance when triggered, and it includes a shock sensor, GPS, and engine shut-off feature.

    Stand-out features include

    • 2-way car alarm system
    • Remote control and has an LCD display
    • Ability to control windows
  3. Best Car Alarm with Automatic Locking
    EasyGuard 2-Way Car Alarm System

    3. EasyGuard 2-Way Car Alarm System

    Our rating

    Our take

    Featuring an LCD remote and two-way response, this EasyGuard car alarm system is great for advanced features. You’ll get alerts for forceful activity through shock sensors, a siren, and automatic door locking and unlocking within 3-6 feet.

    Stand-out features include

    • Automatic door locking/unlocking within certain range
    • Shock sensor notifications
    • LCD screen for two-way remote
  4. Compustar CS7900 Two-Way Remote Car Alarm

    4. Compustar CS7900 Two-Way Remote Car Alarm

    Our rating

    Our take

    With two-way remote start, an LCD interface, shock sensor, and siren, this Compustar CS7900 car alarm is great for not only protecting your vehicle with deterrence, but also for visually obtaining information on your vehicle’s status. With keyless entry, you’ll also be able to easily arm and disarm your car’s alarm through the Lock and Unlock buttons.

    Stand-out features include

    • 105 dB siren
    • Up to 3,000 ft. communication range
    • LCD screen for confirmation and alerts
  5. CarLock Tracker and Alert System

    5. CarLock Tracker and Alert System

    Our rating

    Our take

    The CarLock Tracker and Alert System makes it simple to keep tabs on your vehicle’s location and anything that happens to it. This system comes with a plug and play device for your car’s on-board diagnostic port and will alert you of any suspicious activity regarding your car. This car alarm system can also be used to keep an eye on your teenager’s driving with monthly safety scores.

    Stand-out features include

    • Get alerts for suspicious activity
    • Easy installation with your car’s on-board diagnostic port
    • GPS trip tracking
FAQs About Car Alarm Systems

FAQs About Car Alarm Systems

Can I install my car alarm?

This will depend. If the car alarm’s directions recommend that a professional install it for you, then it would be better to pursue professional installation. You don’t want to attempt to install a car alarm and have it overly drain your car’s battery.

Will a car alarm drain my battery?

This is going to depend on the car alarm you choose and its specifications. Try to find out this information before having your car alarm installed; and, as we mentioned before, we would recommend a professional handling the installation if you’re not completely confident.

What are some alternatives to car alarms?

If you’re looking for car alarm alternatives, consider devices like engine immobilizers, steering wheel locks, GPS trackers, dashboard cameras, and other devices to enhance your car’s security. The biggest aim here is enhancing your car’s protection.


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Written by

Jalesa Campbell

Jalesa develops content in the home security space and contributes to Safety's social media efforts.