Guides
Safety feature and anti-theft discounts
Which airbags, brakes, crash-avoidance systems and anti-theft devices earn insurance discounts, which coverages they cut, and when an add-on device pays off.
Insurers may discount certain coverages for factory safety equipment, such as airbags, anti-lock brakes and crash-avoidance systems, and for anti-theft devices such as alarms, immobilizers and tracking systems. The discounts usually apply only to the coverage the feature affects: airbags to medical coverages, anti-theft devices to comprehensive coverage. Because most of these features are standard on newer cars and already reflected in the vehicle's base rate, the savings are often modest.
Which features earn discounts
| Feature | Coverage usually discounted | Notes |
|---|---|---|
| Airbags and other passive restraints | Medical coverages such as personal injury protection and medical payments coverage | As of October 2026, State Farm lists a passive restraint discount of up to 40% on medical-related coverage for factory-installed airbags |
| Anti-lock brakes | Liability, PIP and collision, where offered | Required by law in Florida for factory four-wheel systems |
| Crash-avoidance and driver-assistance systems (advanced driver-assistance systems) | Varies; often collision or liability | Offered by some insurers; State Farm's Vehicle Safety Savings considers safety features and driver-assist technology |
| Alarms, immobilizers and kill switches | Comprehensive | Factory-installed or approved devices |
| GPS tracking and recovery systems | Comprehensive | Farmers lists an anti-theft discount for qualifying devices such as vehicle tracking |
| VIN window etching | Comprehensive | Some insurers; optional in Florida law |
Insurers set their own lists, and amounts vary by state. Ask yours which features it recognizes.
Florida's mandated discounts
A few states require safety or anti-theft discounts. Florida's section 627.0653 requires insurers to provide:
- A discount on liability, PIP and collision for vehicles with factory-installed four-wheel anti-lock brakes.
- A discount on PIP and medical payments coverage for vehicles with one or more factory-installed airbags.
- Discounts on comprehensive coverage for factory-installed or state-approved anti-theft devices and vehicle recovery systems.
The statute does not set percentages, and it lets insurers offer, but does not require, discounts for window etching and collision-avoidance technology. Other states have their own rules; your state insurance department can tell you what applies.
Why the savings are often small
Safety and theft risk are already priced into the car itself. Insurers assign each model a rating, often expressed as a vehicle symbol, based on its claims history: how often it is stolen, how badly occupants are hurt, and how much it costs to repair. Loss data from the Highway Loss Data Institute feeds that picture; see IIHS and HLDI insurance loss data: what it shows about cars. A car with excellent crash protection and low theft rates is already cheaper to insure before any discount.
Crash-avoidance technology shows why the picture is mixed. The Insurance Institute for Highway Safety reports that forward collision warning with automatic braking cuts rear-end crashes in half, and HLDI has found lower claim rates for damage to other vehicles and injuries to people in them. But the cameras and sensors behind those systems can make repairs more expensive when a crash does happen; driver-assistance sensors and the cost of repairs explains the trade-off. The net effect on your premium depends on the model and the insurer.
Is an aftermarket anti-theft device worth it?
A worked example
These numbers are hypothetical. Your comprehensive premium is $300 a year, and your insurer gives a 10% discount for an approved tracking device that costs $400 installed plus a $60 annual subscription.
| Per year | |
|---|---|
| Comprehensive discount | $30 |
| Subscription | −$60 |
| Net | −$30, before the device cost |
On the discount alone, the device never pays for itself. The case for it rests on prevention and recovery: avoiding your comprehensive deductible, days without a car, and the hassle of a theft claim. That case is stronger for models with high theft rates, such as the vehicles caught up in the Kia and Hyundai theft wave, and in areas where theft is common. See The most stolen cars in America for which models thieves target.
Used cars and older safety equipment
Equipment discounts follow the car's features, not its age, so a used car with factory airbags, anti-lock brakes or an immobilizer can qualify just as a new one does. Two things to check when you buy used:
- Whether the systems still work. A warning light for the airbag or anti-lock brake system can mean the feature is disabled, and a car that has been in a serious crash may have had safety systems repaired or replaced. A vehicle history report and a pre-purchase inspection help.
- Whether aftermarket devices transfer. A tracking subscription or alarm installed by the previous owner may need to be re-registered in your name before an insurer will credit it.
On older cars where you have dropped comprehensive or collision, discounts tied to those coverages no longer save anything, because there is no premium left for them to reduce.
How to make sure you get the discounts
- Give the insurer your VIN. It decodes most factory equipment automatically.
- List aftermarket devices yourself. Keep the installation receipt and the device's make and model; some insurers require professional installation or proof of an active subscription.
- Check your declarations page. Most list applied discounts; if a feature you have is missing, ask.
- Recheck when you replace the car, since discounts tied to the old vehicle do not carry over.
- Weigh the car, not just the discount, when shopping; see vehicle safety ratings and insurance costs.
Key takeaways
- Safety and anti-theft discounts usually reduce only the coverage the feature affects, such as medical coverage for airbags and comprehensive for anti-theft devices.
- Florida requires discounts for factory anti-lock brakes, airbags and approved anti-theft devices; most states leave it to insurers.
- Much of a car's safety and theft risk is already built into its base rate, so separate discounts are often small.
- Crash-avoidance systems reduce crashes but can raise repair bills, so their effect on premiums varies.
- Buy an aftermarket anti-theft device for prevention and recovery, not for the discount alone.