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The 8 Best car alarm systems of 2025

Are you trying to find car alarm systems among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling car alarm systems on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 30 hours of research and did 19 car alarm systems tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best car alarm systems you can buy today

SaleNo. 1
CARLOCK Anti Theft Car Device - Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play
  • WORK & SLEEP WITHOUT WORRY - CarLock anti theft car device and car alarm monitors and alerts you on your phone when your vehicle is moved, when the engine starts, if unusual vibration is detected & even if the device is disconnected!
  • MONITOR YOUR TEENAGER - We love our teens but they can be entirely different people behind the wheel. Car Lock car safety device detects harsh acceleration (drag racing), hard breaking & sharp cornering (stunt driving).
  • VIRTUAL MECHANIC - CarLock actively monitors the health of your vehicle and alerts you in advance if your car battery is running dangerously low or is experiencing high battery drain.
  • LIKE GPS ON STEROIDS - Car Lock GPS tracker and car alarm includes detailed trip tracking which lets you monitor where your car has been. Whether your car is stolen or a "trusted" driver is going off course - you'll know!
  • EXTREMELY AFFORDABLE - CarLock antitheft GPS vehicle tracker uses cloud computing, internet storage, GPS tracking and a modern day app (Android & iOS). You get all this for only $9.60 per month and the first month is FREE!
No. 2
VOXX Electronics Prestige APS25Z Car Alarm System
  • (2) Three Button 1-Way Transmitters. The APS25Z standard security system protects your vehicle with the latest safety technology. This system features intrusion alert with memory, parking light flasher, dual stage shock sensor and more.
  • Automatic arming, automatic locking
  • Starter interrupt
  • Dual stage shock sensor
No. 3
Viper 3100V 1-Way Security System
  • 2 Stage Shock Sensor
  • Door, Bonnet & Boot Protection
  • Engine Immobilization
  • Parking Light Flash (Arm, Disarm & Trigger)
  • Keyless Entry
No. 4
Car Solar Power Simulated Dummy Alarm, Anti-Theft LED Flashing Security Light Fake Lamp, Automotive Warning Interior Safety Lights with USB Charger Port, Car Accessories for Most Cars (Red/1PCS)
  • 【Eco-Friendly Solar Power】: The car false alarm light is powered by the latest upgraded solar energy, which can be absorbed and saved in the battery. It can flicker all night long after enough sunlight shines during the day. Note: This LED will blink at night, not during the day. (If you want it to blink during the day, you can cover the other end with dark paper).
  • 【With USB Charging Port】: This analog alarm light not only can be charged automatically with solar energy, but also has a USB charging port. When there is not enough light on rainy days, you can use the USB to charge. The LED will strobe slightly when charging, and stop strobing when fully charged.
  • 【Anti-Theft】: This car simulator alarm light can scare off those with bad intentions and protect your property from potential thieves at night. Built-in light sensor, the microcomputer controller will automatically sense the intensity of light. There is a setting switch on the back, when you don't want it to blink you can turn the switch to OFF, when you want it to start working you can turn the switch to ON.
  • 【Strong Adhesive on The Bottom】: It comes with strong double-sided tape on the bottom, so you can simply stick it anywhere you want to mount it. Note: Please make sure the surface is dry and clean before sticking, try not to stick on dirty or rough surface.
  • 【Package Includes】: Included in the package is a dummy alarm light measuring 1.96 x 0.98 inches. We offer two specifications for you to choose from, red light and blue light. If you have any questions, please feel free to contact us, we will reply as soon as possible.
No. 5
Compustar CS7900-AS All-in-One 2-Way Remote Start and Alarm Bundle w/ 3000 Feet Range
  • Some vehicles may require extra parts which are sold separately and not included. Wiring diagrams and installation instructions NOT included. Professional installation required.
  • 3000-ft max range remote start + alarm bundle with 2-way interactive LCD remote. Includes CM600 control module, shock sensor, siren, and LED.
  • 2-Way is the Only Way! Lock and start your vehicle with confidence using Compustar 2-way remotes, which provide visual and audible confirmation when your commands are sent successfully.
  • Intelligent Security Sensors - The CS7900-AS is capable of adding door, hood, trunk, and impact sensors all around your vehicle to detect intrusion into your vehicle. In the event of intrusion, the 2-way LCD remote included with this system will alert you what's happening to your vehicle.
SaleNo. 6
InstallGear Car Alarm Security & Keyless Entry System, Trunk Pop with Two 4-Button Remotes - Car Alarm System - Door Lock/Unlock, Keyless Key Fob for Car/Auto
  • TWO 4-BUTTON REMOTES - Our car alarm and keyless entry system includes two 4-button remotes for your convenience. These remotes offer a range of functions, allowing you to easily lock, unlock, and control your car's security system.
  • CAR ALARM SYSTEM - This car alarm system is designed to protect your vehicle from theft and unauthorized access. With advanced security features, it offers reliable protection for your valuable asset.
  • KEYLESS ENTRY - With this keyless entry system, you can easily lock and unlock your car doors without using traditional keys. Instead, you can conveniently access your vehicle with the push of a button on the key fob or remote.
  • LED INDICATOR LIGHT - This car alarm and keyless entry system features an LED indicator light that provides important visual cues, keeping you well-informed and in control of your car's security.
  • TRUNK POP FUNCTION - This car alarm and keyless entry system also comes with a convenient trunk pop function. With this feature, you can remotely open the trunk of your car with ease, allowing for quick and effortless access to your belongings.
SaleNo. 7
K9 MUNDIALSSX 1-Way Car Alarm Security System with 16 Programmable Features
  • Two four button transmitters
  • Keyless Entry
  • Sounds siren & car horn together
  • 2 Auxiliary channel output
  • Silent Arm/Disarm
No. 8
Acteam 2 Way LCD Car Alarm System Car Security with Remote Start System DC12V 1500M Long Remote Range
  • Acteam TWO-way car alarm system with 5-Button LCD display remote, monitor your vehicles 24 hours every day and get real-time feedback. 1.73" Big size LCD remote controller, LCD color changed against different alert.
  • FSK technology with super long remote range, about 1000m for remote control and 1500m for feedback of alarming.
  • With remote trunk release,panic Mode,auto-arm, central door lock automation.
  • With remote engine start function to start your vehicle easier and turbo timer mode to prolong your engine lifespan.
  • Fits for most DC12V petrol cars only, please don't install it on diesel cars( If you install it on diesel cars, an extra timer delay switch is required) and professional alarm system installer installation is required.
SaleNo. 9
Viper 350 PLUS 3105V 1-Way Car Alarm Keyless Entry,BLACK
  • 3-Channel 1-way Security System with Keyless Entry 4-Button remotes. Additional options include remote starter & GPS Tracking.
  • FailSafe starter kill.
  • Anti-carjacking & Panic Alarm Feature
  • Revenger six-tone soft-chirp siren and parking light alarm response.
  • Bright blue status LED warns thieves and gives you info about the system
SaleNo. 10
Prestige APS997Z Two-Way LCD Confirming Remote Start & Alarm 1-Mile Range
  • Item Package Dimension: 7.399999992452L x 5.3899999945022W x 3.5399999963892H inches
  • Item Package Weight - 2.18037177118 Pounds
  • Item Package Quantity - 1
  • Product Type - CAR ALARM
  • (1) Five Button 2-Way LCD Confirming Transmitter (1) Five Button 1-Way Transmitter Flash Logic FLCART Compatible Glass Mount Antenna with Built-in LED Light
No. 11
BANVIE Car Alarm System, Security Antitheft Alarm Systems with Keyless Entry, with Microwave Sensor & Shock Sensor
  • 【Universal design】This car alarm system could fit for most of DC 12V cars(except old petrol cars). The remote controller has a zinc alloy frame, all buttons have good resilience.
  • 【Keyless entry】This antitheft alarm systems have all basic keyless entry functions, such as lock/unlock, car finding, trurnk release, light flash, power window(original close model required), etc.
  • 【Antitheft alarm】There is a 110dB siren with 6 tons for this car alarm, Alarming could be triggered by shock sensor & microwave sensor alarm and side door opening. Silent car alarm model could aslo be set.
  • 【Engine blocking】This car alarm contains an engine cut-off relay. In arm status, it can cut off engine power and make engine fail to start. In running, it can cut off power to come with Anti-hijacking function.
  • 【Central door locking automation】Car door will auto-lock after driving, and unlock after key turned to ACC OFF, So it will very safe for children in car. this function could be set ON or OFF(factory default is ON).
No. 12
Shkalacar Car Keyless Entry Security Alarm System, Universal Car Vehicle Security System Burglar Alarm Protection, Anti-Theft System with 2 Black&Silver Remote Control + Siren
  • Universal car auto burglar alarm protection security system,with the basic keyless entry function. such as remote control lock/unlock door, trunk release, trunk release.
  • Multi-level security arming & high reliability and quality.
  • Car Alarm system with transponder to arm or disarm your car easily & improve vehicle safety
  • Equipped with 2 Remote Controls, a Siren and wiring harness, etc.
  • Can be used in different types of cars.
SaleNo. 13
WSDCAM 113dB Loud Anti Theft Vibration Sensor Alarm Systems for Electric Bike Motorcycle Golf Car Trailer Mailbox Garage Door Waterproof Home Security Bike Accessories Bike Alarm with Remote
  • [MULTI-PURPOSE ALARM] Vibration sensor alarm not only suitable for Electric Bike, Motorcycles, Scooter, Car, Trailer, Golf Car, a must have bike motorcycle accessories, but also suitable for Mailbox, Luggage, Doors and Windows, a effectively anti theft device
  • [REMOTE CONTROL & WATERPROOF] Wireless control by remote, strong wireless range up to 328ft. Vehicle search function/Remote noise maker, easy to find your vehicles in parking lot or make noise when you need, 3 kinds of bell sounds for your choice. IP65 waterproof, suitable for outdoor use
  • [ADJUSTABLE VOLUME & ADJUSTBALE SENSITIVITY] 3 lever adjustable volume, don’t worry about the alarm is extremely loud or not loud. 7 level adjustable sensitivity from gently touch to push or beat, easy to set it as your need
  • [LOUD ALARM & GREAT PERFORMANCE] Up to 113dB LOUD alarm, scare off potential thieves effectively. Well-made process, 4th version battery saving technology and updated senser technology let this anti theft alarm has great quality performance
  • [SOS FUNCTION & EASY TO INSALL] Using mature motion algorithms and accurate senser, the alarm will automatically go off for calling help when you fell down.You can set the SOS function on or off. Super easy installation by pasting with double-sided sticker and tying it with strap
No. 14
EASYGUARD EC201-M9 2 Way Car Alarm System with 1.73 inch Big LCD Pager Display Remote Starter Turbo Timer Mode Shock Warning DC12V
  • EASYGUARD 2 Way car alarm system with1.73" big LCD display remote & long remote working distance( up to 800 meters in wild space)
  • With remote engine start function to start your vehicle more easier and turbo timer mode to prolong your engine lifespan
  • the 1.73 inch big LCD display pager can monitor your vehicles 24 hours every day and receive real time of your vehicle status feedback
  • Fits for most DC12V petrol cars on the market, don't install it on diesel cars( as extra timer delay switch may required). Professional alarm installer installationis required
  • An extra bypas module (like ASIN: B00MEHBVIC or B07NSLPB) may require for vehicles with chip immobilizer in factory OEM key fob
SaleNo. 15
Car Alarm System for Theft Prevention with Sound, Anti Theft Car Security Device Alarm System with 2 Remote Starts, Universal 12V Loud Horn 120dB 6 Tone 7-Level Sensitivity Car Alarm Siren
  • Universal Design: Car alarm system with loud horn, remote and installation manual fit for most of DC 12V cars. Effectively prevent your car from being stolen and protect your personal property.
  • Easy To Install: The anti theft car device and units are integrated into the horn, which does not require a lot of complicated units and installation steps. Just connect the cable to the car, place the alarm horn, done!
  • Excellent Performance: Car Theft Prevention Device With a working voltage of 12V, a working current of 10A, a quiescent current of 10mA, and a power of 20W, low power consumption, over current protection/low voltage protection.
  • Car Alarms for Theft with Sound: This 6-tone alarm speaker has an alarm loudness of 120dB. 7-level sensitivity, super sensitive, it will alarm when you touch it, you can set the sensitivity according to your needs. Zinc alloy frame remote control adjustable and coded (up to 4)
  • Car Alarm System with 2 Remote Starts Operation: It is operated by the remote controls.Press the "lock" button, the siren will sound once, and enter the anti-theft state after 5 seconds
  • Quality Assurance: Every piece of car alarm system is strictly inspected before sale. We offer a 12-month warranty,if you have any questions, please contact us and we will provide you with the best service (REPLACEMENT OR REFUND)
No. 16
Mengshen Wireless Vibration Alarm, Anti-Theft Burglar Alarm for Bicycle/Bike/Motorcycle/Car/Vehicles/Door/Window, 110db Super Loud (Remote Control Included)
  • Mini and compact design, high quality wireless remote control vibration security alarm, easy to install and use.
  • Alarm with ON/OFF switch, and remote control with Alarm Disarm Door bell and Emergency buttons for easy operation.
  • 105dB ultra loud alarm sound which can last about 40 seconds, Low energy and long work time;
  • Wireless Vibration Alarm with infra-red remote control. Remote control with key chain for easy carrying.
  • Perfect to protect your shop, office, home or anywhere requiring protection. Let you enjoy a safe and comfortable life!
No. 17
Shkalacar NEW Car Alarm System with 2 Door Remote Central Locking Kit Shock Sensor Immobiliser, Security Antitheft Alarm Systems with Keyless Entry
  • lock and unlock doors via remote fob
  • Indicators or side lights will flash upon locking or unlocking of the car
  • Car Immobiliser、Car finder function、Remote boot pop output
  • Silent arm function、shock sensor、120db Extra loud siren
  • Anti Hijack、Emergency disarm、valet mode、power off memory、10 programmable functions、Auto window closure output (module needed)
No. 18
VJOYCAR DIYV1 1-way Wireless Car Alarm Vehicle Security System Anti-Theft Burglar Vibration Sensor Horn Siren Universal 12V Auto Anti-theft Protection System Simple DIY Install
  • 【Wireless Car Alarm System】 Wireless Car Alarm System: different from the normal car alarm, this system doesn't have main unit box, no need cut original car cables. Won't Destroy Car Engine and Original Circuit.
  • 【DIY Install Car Alarm】5 minutes to DIY Install: just need connect siren black and red cable to car battery - and +, then press the "lock" key on the remote control, it will be " ARM". Green cable is the antenna, no need connection, just make sure it face up.
  • 【Vibration Sensor Alarm】When the vibration sensor siren detect vibration, it will remind 3 times; if detect vibration again within 15 seconds, it will alarm.
  • 【Universal Car Alarm】The accepted power supply is 9V-15V, therefore, it can be installed on all 12V cars, a real universal car alarm for all cars.
  • 【Warranty】2 years quality warranty, during usage or install, if need any assistance, please don't hesitate to let us know, thanks.
SaleNo. 19
WSDCAM Wireless Vibration Alarm with Remote Control Anti-Theft Alarm Bike/Motorcycle/Vehicle Security Alarm, 110db Loud, Door and Window Alarm
  • Wireless Vibration Alarm triggered by vibration, suitable for Bikes, Motorcycles, Vehicle, Doors, Windows or anthing you wish to protect, detering thieves effectively by 110dB loud alarm
  • Vibration alarm with remote control, 4 mode--Arm/Disarm/Panic/Doorbell mode conveniently controlled by the remote, remote control range up to 82ft
  • 10 levels adjustable sensitivity from gently touch to push or beat, you can easily set it according to your need
  • Low consumption battery can last longer, the wireless bike alarm system can continuous standby over one year(according to on/off five times a day)
  • Easy operation and installation, installation by pasting with double-sided sticker or tying it with strap
No. 20
YOMTOVM 12V Car Alarm System, Anti-Theft Horn Siren with 7-Levels Sensitivity Universal Security Protection System Vehicle Alarm System with Sound
  • Wide Application: With an overall size of 3.15*3.15*3.94 inch, please make sure your car has enough space to install this car alarm before purchasing. The car alarm system is suitable for electric, pneumatic and modified central locking systems, and can be widely used in various 12V cars.
  • Excellent Performance: This car alarms for theft with sound has a working voltage of 12V, a working current of 10A, a static current of 10mA, a power of 20W, and an alarm loudness of 125DB. Equipped with a cable whose length is about 50cm/19.69inch.
  • Easy To Install: The car alarm system can be used when it is connected to the power supply: the red wire is connected to the 12V constant wire, and the black wire is connected to the chassis ground.
  • High Sensitivity: This car alarms for theft with sound will sound as soon as it is touched. It also has 7 levels of sensitivity, and the default is 4 levels. The alram range can reach to 100m/328.08ft.
  • Warm Tips: If an error alarm occurs after installation, it may be due to high sensitivity. You can try adjusting the sensitivity according to the manual. If the problem still exists, you can try to install the horn car alarm elsewhere and adjust the sensitivity.

How to choose a good car alarm systems

Does the idea of finding a fantastic car alarm systems make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in car alarm systems. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top car alarm systems products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top car alarm systems on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top car alarm systems brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top car alarm systems based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the car alarm systems were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good car alarm systems, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your car alarm systems.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting car alarm systems for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our car alarm systems. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what car alarm systems should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on car alarm systems.