Arizona Uses a Tort System, Not No-Fault
Arizona does not operate under a no-fault insurance system. When a collision occurs, the at-fault driver's liability insurance pays for the other party's vehicle damage and medical bills. You file a claim against their carrier, not your own, and you retain the right to sue for damages without meeting any injury threshold.
This matters for households insuring multiple vehicles because every car on your policy relies on the same liability coverage when your household causes an accident, and the same collision coverage when another driver hits one of your cars. Understanding how tort liability works in Arizona shapes how you structure coverage across your fleet and what happens when one of your vehicles is involved in a crash.
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Get Your Free QuoteArizona Minimum Liability Limits
$25,000 / $50,000 / $15,000
Arizona requires $25,000 bodily injury per person, $50,000 bodily injury per accident, and $15,000 property damage. These minimums apply to every vehicle you register, but a single policy covers all household cars with one set of limits.
Arizona Department of Transportation, Motor Vehicle Division
How Tort Liability Works for Multi-Vehicle Households
In a tort state, the driver who caused the accident is financially responsible for all resulting damage and injury. Their liability insurance pays the other party's repair bills and medical expenses up to the policy limits. If your household owns three cars and one of them causes an accident, your liability coverage pays the claim regardless of which vehicle was involved.
When another driver hits one of your cars, you file a third-party claim against their liability carrier. Your own collision coverage is optional in Arizona, but without it you wait for the at-fault driver's insurer to process your claim and pay for repairs. Households with multiple vehicles often carry collision on all cars to avoid waiting weeks for a third-party settlement when any vehicle is damaged.
Arizona law does not require personal injury protection or uninsured motorist coverage, but 10.6% of Arizona drivers carry no insurance. When an uninsured driver hits one of your household's cars, your uninsured motorist property damage coverage pays for repairs without the deductible you would pay under collision. For households managing several vehicles, this coverage prevents one uninsured-driver collision from derailing your budget.
Arizona's tort system means you can sue the at-fault driver for damages beyond their policy limits, but collecting a judgment from an underinsured driver is often impossible.
What Coverage Protects Your Household's Vehicles
Liability coverage is mandatory and applies per policy, not per vehicle. Raising your liability limits protects your household assets when any vehicle causes serious injury or property damage.
Collision coverage pays to repair your car after an accident regardless of fault, minus your deductible. Comprehensive covers theft, vandalism, weather damage, and animal strikes. Both are optional in Arizona, but lenders require them on financed vehicles. Households with older paid-off cars often drop collision and comprehensive on those vehicles while keeping full coverage on newer ones.
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Filing a Claim When Another Driver Hits Your Car
When another driver causes the accident, you file a third-party claim with their liability carrier. The insurer investigates fault, reviews the police report, and issues payment once liability is accepted. This process typically takes one to three weeks, longer if fault is disputed.
If you carry collision coverage on the damaged vehicle, you can file a first-party claim with your own carrier and pay your deductible. Your insurer repairs the car immediately and pursues reimbursement from the at-fault driver's carrier through subrogation. Once subrogation recovers your deductible, your carrier refunds it. Households with multiple vehicles often prefer this route because it keeps all cars operational without waiting for a third-party settlement.
Arizona allows you to sue the at-fault driver for damages their insurance does not cover. There is no injury threshold and no restriction on pain-and-suffering claims. If the at-fault driver carries only the $25,000 per person minimum and your medical bills exceed that amount, you can pursue the difference in court. Underinsured motorist coverage pays this gap without litigation.
Arizona Uninsured Motorist Rate
10.6%
More than one in ten Arizona drivers carry no insurance. Uninsured motorist coverage protects your household when an uninsured driver hits one of your cars and cannot pay for the damage.
Insurance Research Council, 2023
Structuring Coverage Across Multiple Vehicles
A single Arizona auto policy covers all household vehicles under one set of liability limits and one set of optional coverages. You choose collision and comprehensive separately for each car based on its value and your budget. A household with a new sedan, a five-year-old SUV, and a paid-off truck might carry full coverage on the sedan, collision-only on the SUV, and liability-only on the truck.
Raising liability limits costs less than adding collision to an older car. Arizona's $25,000 per person minimum is low compared to medical costs from a serious injury. One at-fault accident involving any of your cars can trigger a claim against your household's combined assets.
Compare Carriers That Write Multi-Vehicle Policies in Arizona
Arizona households insuring two or more vehicles should compare carriers that offer multi-car discounts and flexible per-vehicle coverage options. Geico, State Farm, Progressive, Allstate, and Farmers all write multi-vehicle policies in Arizona and allow you to customize collision and comprehensive on each car. Request quotes that show liability limits above the state minimum and uninsured motorist coverage at the same limit as your bodily injury coverage. Compare the total premium for all vehicles together, not individual per-car rates, because the multi-car discount applies at the policy level.