
December 2, 2025
Car Insurance Discounts
Anti-Theft Device Discount in Car Insurance
Did you know that you can lower your auto insurance premiums by having, or installing, anti-theft devices in your car? Most modern cars have built-in anti-theft features like engine immobilizers and basic security systems like sound alarms, shock sensors, and a remote key fob.
So, are the factory-installed security features enough for an anti-theft device discount? Or do you need additional anti-theft devices to qualify for the anti-theft discount? Also, how much can you save with the anti-theft device discount? If you have these questions in mind, this guide explains everything you need to know.
What are Anti-Theft Devices for Car Insurance
Anti-theft devices are tools and technologies designed to deter vehicle theft, prevent unauthorized access or engine start-up, and help recover the vehicle if it’s stolen. These systems can be factory-installed by the manufacturer or added later as aftermarket equipment.
Common anti-theft devices include:
- Audible alarms and shock sensors (alert and deter thieves)
- Electronic immobilizers and kill switches (prevent engine start without the correct key)
- GPS tracking systems (assist in locating a stolen vehicle)
- Physical deterrents like steering wheel locks and hood locks
- Smart keys and remote key fobs
Anti-Theft Devices that Qualify for Car Insurance Discounts
If your car is equipped with the following anti-theft devices, it should be eligible for the anti-theft discount. While eligibility can vary by insurer and state, these are the anti-theft devices that are commonly recognized for discount approval.
- GPS tracking system helps locate the vehicle if stolen
- Car alarm system sounds an audible alert to deter break-ins
- Shock/impact sensor detects forced entry or tampering
- VIN etching permanently marks windows with the vehicle identification number, making it easier to identify stolen cars and harder to sell stolen parts
- Electronic engine immobilizer prevents unauthorized engine start without the correct key
- Kill switch manually disables the ignition or fuel supply
- Advanced key fob (transponder or smart key) uses encrypted communication to unlock and start the vehicle
- Steering wheel lock prevents wheel movement and discourages theft
- Brake lock locks the brake pedal in place
- Gear shift lock locks the gear shifter to prevent movement
If you want to upgrade the anti-theft security features of your car, or if your car does not have the above-mentioned anti-theft devices, you can contact your manufacturer to inquire if they sell these for your car.
In case they don’t, or if you have an older car that does not have your OEM (original equipment manufacturer) parts, you can purchase and install aftermarket (third-party) anti-theft devices.
However, before doing so, check with your insurer to verify whether the aftermarket devices are approved for a discount and whether proof of certified installation is required. If not, ask your insurer for recommendations.
Security Features that May Not Qualify for Car Insurance Discounts
If your car lacks comprehensive anti-theft features, then you may not qualify for the anti-theft device discount. The main eligibility criteria are to have advanced security features or additional devices to prevent theft. So, many standard or basic factory-installed features aren’t considered advanced enough to meet insurers’ eligibility requirements as follows.
- Standard door locks
- Basic or low-security alarms
- Stereo anti-theft devices
- Breakable locks like steering wheel locks or car wheel clamps
- After-market devices that are unapproved or poorly installed
- Devices without purchase receipts or installation certificates
Why Do Insurers Offer Anti-Theft Device Discounts on Car Insurance?
Insurers offer anti-theft device discounts on car insurance to reduce the risk of covering the replacement value of a stolen car. If you have comprehensive and gap insurance coverage, your insurer will have to reimburse the replacement value of your car and provide the additional amount you owe from the gap insurance coverage when your car is stolen.
However, if you have the required anti-theft devices, it can significantly reduce the chances of theft and even increase the chances of its recovery. So, to encourage drivers to ensure adequate anti-theft protection, insurers provide this discount.
Also, it’s important to know that car thefts are common in the U.S. According to NICB, over 1 million cars were stolen in 2022 and 2023. In the year 2024, car insurance thefts decreased by 17% but it is still alarmingly high, as 850,708 were stolen throughout the U.S.
Given the fact that car thefts are common in the U.S., there’s always a substantial risk, which is another reason why insurers reward drivers who take preventive measures with lower premiums and exclusive discounts.
How Much Can You Save With an Anti-Theft Car Insurance Discount?
On average, you can save from 5% to 25% on the portion of your comprehensive coverage and gap insurance coverage. These two coverages provide payouts to meet your car’s replacement costs if it’s stolen.
Typically, the amount of discount provided varies across states and among insurers. So, contact your insurer to find out how much you can save on car insurance with an anti-theft discount.
If you’re struggling to save on car insurance, you should consider finding a reliable insurance provider that offers an affordable auto insurance policy with the best coverage options. With USA Auto’s cheap premiums, you can lower your premiums and even qualify for exclusive rates.
How to Get an Anti-Theft Discount on Car Insurance?
If your car meets the anti-theft feature requirements, then your insurer may either offer the discount upon purchasing the policy or may automatically add it to your policy at the time of renewal.
However, there are times you need to apply for the discount or provide the required documents to prove your eligibility. So, here’s a step-by-step guide on what you need to do to get the anti-theft device discount on car insurance.
- Check with Your Insurer: Contact your insurer to find out whether they provide the anti-theft device discount on car insurance. If they do, ask them about the qualifying requirements to get this discount.
- Ensure that You Have the Qualifying Device: After confirming the edibility requirements with your insurer to confirm that your car has the anti-theft features, or device to qualify for this discount.
- Provide Evidence of the Required Security Features: If your car has built-in anti-theft devices, your insurer can verify it by cross-checking its VIN. If you have installed any additional devices, you will need to submit proof of authorized certification and installation, which includes a receipt, installation invoice, or certificate of installation.
- Follow Up and Confirm: Once all documents are submitted, ask your insurer to confirm the approval status and effective date of the discount.
When Should You Inform Your Insurer About an Anti-Theft Device?
If you plan to purchase an additional anti-theft device to qualify for the discount, always contact your insurer beforehand to confirm whether the device is eligible. Not all security systems are recognized for this discount, and some require certified or authorized installation to be approved.
It’s important to notify your insurer as soon as the device is installed, whether it’s before purchasing a policy, during a policy update, or at renewal, so they can verify eligibility and confirm whether you qualify for the discount.
The Bottom Line: Is it Worth it to Install an Anti-Theft Device to Save on Car Insurance?
Yes, it’s worth it to install an anti-theft device to save on car insurance. Your car insurance is typically a recurring investment; you will need to spend an annual budget, whereas purchasing and installing anti-theft devices could be a one-time investment.
The best part is that there are dual benefits; it increases your chance of saving on annual premiums, and it helps to prevent car theft. If you compare the costs, the average cost of car insurance for minimum coverage is $816 per year, and full coverage is $2,700 per year.
Whereas the cost of purchasing anti-theft devices can range anywhere from $50 to $1,000 or more. So, let’s say even if it requires $1,500 to install anti-theft devices on your car, it can help you secure $135 to $675 in anti-theft device discounts per year.
So, it’s definitely a worthy investment as your potential savings add up over time. If you’re still uncertain whether the savings make sense for your situation or you need help comparing auto insurance coverage options, contact us today for a free quote.
Frequently Asked Questions (FAQs)
What is an anti-theft device in an insurance policy?
An anti-theft device in an insurance policy refers to a security tool or system installed in a vehicle to prevent theft, deter unauthorized access, or help recover the car if it’s stolen. Examples include car alarms, GPS tracking systems, immobilizers, and steering wheel locks. Insurance companies often offer discounts on comprehensive coverage when a vehicle is equipped with approved anti-theft devices.
Do insurance companies give discounts for security systems?
Yes, many insurance companies offer discounts if your vehicle is equipped with approved security or anti-theft systems. These discounts are typically applied to the comprehensive and gap insurance coverage portion of your auto insurance because security devices help reduce the risk of vehicle theft. The exact discount amount and qualifying devices can vary by insurer and state, so it’s best to check with your provider to see which security features are eligible and how much you can save.
Does an anti-theft device make insurance cheaper?
Yes, an anti-theft device can help make car insurance cheaper. Many insurers offer a discount on the comprehensive portion of your policy when your vehicle is equipped with eligible security features, such as alarms, immobilizers, GPS tracking systems, or steering wheel locks. These devices lower the risk of theft, so insurers may reward that reduced risk with lower premiums. The actual savings vary by insurer, state, and the type of device installed, so check with your insurance provider to confirm how much you can save.
Do factory-installed anti-theft systems count for a discount?
Yes, many built-in systems may qualify, but you should verify with your insurer since not all factory features are eligible.
Do I need proof to get the anti-theft discount?
Yes, you may need to provide documentation such as an installation receipt, invoice, or certification, especially for aftermarket devices.
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