Best Car Alarm in 2020 (April Reviews)

To help you find the best car alarm for your vehicle, we tried out a multitude of top products, testing them for reliability, making sure the sensors worked as advertised, volume, so any unwanted intruders would likely be scared off upon activation, and a simplistic installation procedure, keeping things as close to plug-and-play as possible. We also liked models with additional functionalities, such as keyless entry systems, and the ability to send notifications to your keychain, smartphone or other connected device.

The best car alarm we tried was the Python 5706P Responder LC3 SST, which sends pertinent notifications to a pair of packed-in keyfobs, boasting a range of one mile, and allows for remote start capabilities. The installation was on easy the side, though would be helped along by a professional, and comes with a warranty that lasts the lifetime of the vehicle it is installed in. We also found the alarm to be loud enough to dissuade interlopers and the company offers plenty of accessories that further enhance safety. Keep reading to learn more about the Python 5706P Responder LC3 SST and the other car alarms on this list.

We don’t buy the best cars or the best electric cars just so they can get stolen. Have you seen the price of the best luxury cars? Protect yourself.

Latest Car Alarm Reviews & Buyer Guides

Bmmpr Smart Alarm Protects Your Car

Bmmpr Smart Alarm Protects Your Car

One of the best car accessories is an alarm. So you park your car and you go into the grocery store to do some shopping. Then you exit the store sometime later only to find out that someone hit your car and then just left the scene. They didn’t even…
AlarmSecur: Keep Your Car Secure

AlarmSecur: Keep Your Car Secure

Aside from accessories like the best rooftop cargo carrier, you want security. You can choose from plenty of security solutions, but most don’t tick all of the boxes with features that you want. And how many of these provide a mobile solution for your car? Alarmsecure does and it has…
Aware Coin Can Track Your Car and Apps – for $9

Aware Coin Can Track Your Car and Apps – for $9

If today's smart devices are too pricey for you, Aware has a deal: A car sensors and tracker for only around $10.
Exploride Gives Even The Dumbest Car A Smart Brain

Exploride Gives Even The Dumbest Car A Smart Brain

We’re on the verge of a revolution in automotive technology. Cars are becoming intelligent at a shocking rate, ranging from tools like built-in GPS to syncing up with your phone to offer you better streaming music, to more complex diagnostic tools that will really let you get under the hood…
Meet Rolljam, The $30 Device That Can Steal Your Car

Meet Rolljam, The $30 Device That Can Steal Your Car

The best jump starter will help you get back on the road, but sadly other gadgets can steal your car. We take more on faith than we should when it comes to IT security. Recently, though, it’s been shown that cars in particular are less than secure. And nothing illustrates…
DroneMobile Pairs Your Car With Your iPhone

DroneMobile Pairs Your Car With Your iPhone

Sure, you may still need the best transmission jack on occasion, but… Cars are, if you think about it, one of the last great frontiers of apps. Compare how almost anything else in your life interacts with your phone, and you’ll notice your car is a bit behind. That’s for…
With the ORIGOSafe Installed, You’ll Need to Plug-in Your Smartphone To Start the Car

With the ORIGOSafe Installed, You’ll Need to Plug-in Your Smartphone To Start the Car

Texting and driving is akin to playing with fire; at some point you’re bound to get burned.  Or in this particular case, crash your car.  Adolescent drivers are some of the worst offenders, especially since they’ve grown up with a device in their hand.  Preventing them from typing away on…
Fingerprint Car Starter

Fingerprint Car Starter

This is almost as cool as the best car alarm. If you wanna be the envy of all the dads on the block, you need the Biometric Car Starter.  It’s an aftermarket part that costs $700 and ships from none other than Skymall. In terms of functionality it’s comparable to…
Video Car Alarm

Video Car Alarm

Don’t you wish you could see who dinged your car door, or roughed up your front end while shopping at Bloomingdales for your girlfriend? Or even see whose cat or dog climbed on your car (sorry had to use the picture). Well now you can. Four Canadian students have invented…

Learn More About Car Alarms

Read car alarm reviews to compare theft-preventing car alarms and be informed of the latest features in the best car alarms. These include code hopping that prevents thieves from capturing remote signals from the owner to the car alarm; immobilizers that are activated when the car alarm sounds; and additional features such as trunk release and GPS-enabled alarms.

Car alarms can be divided into two main categories – passive and active systems. Do you know that you can even purchase silent car alarms? These do not blast a siren; instead they send a message to the owner. Gadget Review lets you know about the best car alarms out there manufactured by brands like Prestige, Viper, Avital, and Gravity. Car alarms not only serve as effective anti-theft mechanisms, they can also help bring down the cost of car insurance.

You might also like the best radar detector, the best car stereo, and the best car charger.

Our best car accessories section even has the best car tablet mount.

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