Arizona Car Insurance Guide: Requirements, Rates & Mandatory UM

Everything Arizona drivers need to know about car insurance requirements, average costs, mandatory uninsured motorist coverage, and finding the best rates.

Updated Mar 2026
11 min read
Expert reviewed
Quick Summary

What you'll learn: Arizona's minimum insurance requirements, why UM coverage is mandatory, average insurance costs across the state, coverage options beyond the minimum, how to lower your rates, and state-specific laws that affect your coverage.

Key fact: đź’° Average Arizona car insurance: $1,645/year for full coverage, according to 2025 industry data. That's about $137/month, slightly above the national average. Phoenix rates run higher than rural areas.

Bottom line: Arizona requires 25/50/15 liability coverage plus mandatory uninsured motorist coverage at the same limits. This provides better protection than many states, and comparing quotes can save you hundreds.

See what Arizona car insurance costs for your situation.

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Arizona Car Insurance Requirements

Arizona law requires all drivers to carry minimum auto insurance coverage, including both liability and uninsured motorist protection:

This is often called 25/50/15 coverage plus mandatory UM/UIM. Arizona's minimums are higher than many states and include required uninsured motorist protection.

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Good news: Arizona's mandatory UM/UIM coverage protects you if hit by an uninsured or underinsured driver. About 13% of Arizona drivers are uninsured, so this coverage is critical.

While Arizona's minimums are better than many states, experts still recommend 100/300/100 coverage for adequate protection. Medical bills and property damage from serious accidents can easily exceed $50,000.

Proof of Insurance in Arizona

Arizona drivers must carry proof of insurance at all times. Acceptable forms include:

Digital proof of insurance is legal in Arizona. You can show a photo or app on your phone during a traffic stop or after an accident.

Penalties for driving without insurance: First offense: $500 fine, 3-month license suspension, vehicle impoundment. Subsequent offenses: Higher fines ($750-$1,000), longer suspensions, and SR-22 filing requirements.

Average Car Insurance Costs in Arizona

Arizona drivers pay an average of $1,645 per year for full coverage car insurance, or about $137 per month. Minimum coverage averages around $521 per year.

Rates vary significantly by city and ZIP code:

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City rate examples (average full coverage):
• Phoenix: $1,789/year
• Tucson: $1,623/year
• Mesa: $1,734/year
• Chandler: $1,689/year
• Scottsdale: $1,712/year
• Glendale: $1,756/year

Phoenix metro area has higher rates due to traffic density, theft, and higher claim frequency.

Factors that affect your Arizona car insurance rate include your ZIP code and city, driving record (accidents, tickets, DUIs), age and experience level, credit score (Arizona allows credit-based pricing), vehicle make and model, annual mileage, coverage limits and deductibles, and discounts applied.

The only way to know your actual rate is to compare personalized quotes from multiple carriers.

Coverage Options Beyond the Minimum

Arizona's minimum coverage includes liability and UM/UIM, but you should consider adding these coverages for complete protection:

Higher Liability Limits: Arizona's 25/50/15 minimum may not be enough. Consider increasing to 100/300/100 or even 250/500/100 to protect your assets. Cost: About $10-$30/month for higher limits.

Collision Coverage: Pays for damage to your car after an accident, regardless of fault. Recommended if: Your car is worth more than your deductible (typically $500-$1,000).

Comprehensive Coverage: Covers theft, vandalism, fire, weather, and animal strikes. Phoenix has high vehicle theft rates, and desert wildlife collisions are common. Recommended if: Your car is worth more than a few thousand dollars.

Medical Payments (MedPay): Covers medical expenses for you and your passengers, regardless of fault. Can supplement health insurance. Common limits: $1,000-$10,000.

Rental Reimbursement: Covers rental car costs while your vehicle is being repaired after a covered claim. Typical cost: $20-$40/year for $30/day coverage.

Roadside Assistance: Covers towing, flat tire changes, lockouts, and jump-starts. Especially useful in Arizona's hot climate. Typical cost: $10-$30/year.

SR-22 Insurance in Arizona

An SR-22 is not a type of insurance—it's a certificate your insurer files with Arizona MVD (Motor Vehicle Division) proving you carry liability insurance. Arizona requires SR-22 after:

The SR-22 filing fee is typically $15-$25, but your insurance premiums will increase significantly—often by 40-80% or more—because you're now classified as high-risk.

How long do you need SR-22 in Arizona? Typically 3 years from the date of conviction or license reinstatement. If your policy lapses during this period, your insurer notifies the MVD and your license is suspended again.

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Pro tip: Not all carriers offer SR-22 filings. If you need SR-22, shop around—rates vary dramatically between insurers willing to cover high-risk drivers.

Arizona-Specific Car Insurance Laws

Arizona is an at-fault state: The driver who causes an accident is responsible for damages. You can file a claim with the at-fault driver's insurance or sue them directly.

Mandatory UM/UIM coverage: Arizona requires uninsured and underinsured motorist coverage at the same limits as your liability coverage. You can reject it in writing, but this is strongly discouraged—about 13% of Arizona drivers are uninsured.

Electronic proof of insurance: Arizona allows drivers to show proof of insurance on a phone or electronic device.

Teen driver requirements: Arizona requires new drivers under 18 to hold a learner's permit for at least 6 months and complete 30 hours of supervised driving (including 10 hours at night). Inform your insurer when adding a teen driver—rates increase significantly.

Extreme heat considerations: Arizona's extreme summer heat can damage vehicles and increase claim frequency. Comprehensive coverage is recommended to protect against heat-related damage and theft (Phoenix has high vehicle theft rates).

Wildlife collisions: Desert wildlife (deer, javelina, coyotes) can cause significant vehicle damage. Comprehensive coverage protects against animal strikes.

How to Save Money on Arizona Car Insurance

Arizona car insurance is moderately priced, but there are proven ways to reduce your premium:

1. Compare quotes from multiple carriers. Rates vary by hundreds of dollars between insurers for the exact same coverage. Get personalized quotes here.

2. Bundle policies. Combine auto and home or renters insurance for 10-30% off your total premium.

3. Increase your deductible. Raising your collision and comprehensive deductible from $500 to $1,000 can cut your premium by 15-30%. Only do this if you can afford the higher out-of-pocket cost.

4. Maintain a clean driving record. Avoid tickets and at-fault accidents to keep your rates low. A single DUI can double your premium.

5. Improve your credit score. Arizona allows credit-based insurance scoring. Paying bills on time and reducing debt can lower your premium over time.

6. Ask about low-mileage discounts. If you drive fewer than 7,500-10,000 miles per year, you may qualify for a discount of 5-15%.

7. Install anti-theft devices. Car alarms, GPS trackers, and vehicle recovery systems can reduce comprehensive coverage costs, especially in Phoenix and Tucson.

8. Take a defensive driving course. Arizona offers a defensive driving course discount. Completing an approved course can reduce your premium and dismiss traffic tickets.

9. Use telematics/usage-based insurance. Programs like Progressive's Snapshot or State Farm's Drive Safe & Save can save you 10-30% if you're a safe driver.

10. Drop unnecessary coverage on older cars. If your car is worth less than 10Ă— your deductible, consider dropping collision and comprehensive. You'll still need liability and UM/UIM coverage.

Best Car Insurance Companies in Arizona

Arizona has dozens of insurers, but some consistently rank higher for price, customer service, and claims handling:

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Top-rated insurers in Arizona (2025-2026):
• State Farm: Largest market share, strong customer service
• GEICO: Competitive rates, especially for good drivers
• USAA: Best for military members and families (membership required)
• Progressive: Good for high-risk drivers, usage-based discounts
• Allstate: Strong agent network, bundling discounts
• American Family: Competitive rates, good customer satisfaction
• Farmers Insurance: Strong local presence in Arizona

The "best" insurer depends on your specific profile. A company that offers low rates for one driver might be expensive for another. Always compare quotes from at least 3-5 carriers to find the best rate for your situation.

Arizona Car Insurance Checklist

Use this checklist to make sure you're properly covered:

Frequently Asked Questions About Arizona Car Insurance

What is the minimum car insurance required in Arizona?

Arizona requires 25/50/15 liability coverage ($25,000 bodily injury per person, $50,000 per accident, $15,000 property damage) plus mandatory uninsured/underinsured motorist coverage at the same limits. This is better protection than many states.

How much does car insurance cost in Arizona?

Arizona drivers pay an average of $1,645 per year for full coverage car insurance, or about $137 per month. Minimum coverage averages around $521 per year. Phoenix metro area has higher rates than rural areas.

Is Arizona a no-fault state for car insurance?

No. Arizona is an at-fault state, meaning the driver responsible for an accident is liable for damages. However, Arizona does require uninsured motorist coverage for first-party protection if hit by an uninsured driver.

Is uninsured motorist coverage required in Arizona?

Yes. Arizona requires uninsured and underinsured motorist coverage at the same limits as your liability coverage (minimum 25/50/15). You can reject it in writing, but this is strongly not recommended since about 13% of Arizona drivers are uninsured.

How long do I need SR-22 insurance in Arizona?

Arizona typically requires SR-22 filing for 3 years following DUI convictions or serious violations. Your insurer must notify Arizona MVD of your continuous coverage throughout this period.

Does Arizona use credit scores for car insurance rates?

Yes. Arizona allows insurers to use credit-based insurance scores when setting rates. Improving your credit can help lower your premiums.

Can I use my phone to show proof of insurance in Arizona?

Yes. Arizona accepts electronic proof of insurance. You can show an insurance ID card on your phone during a traffic stop or after an accident.

What happens if I drive without insurance in Arizona?

Driving without insurance in Arizona results in a $500 fine, 3-month license suspension, and vehicle impoundment for the first offense. Subsequent offenses result in higher fines ($750-$1,000), longer suspensions, and SR-22 requirements.

Does comprehensive coverage protect against heat damage in Arizona?

Yes. Comprehensive coverage can cover heat-related damage (cracked windshields, paint damage, etc.), though specific coverage depends on your policy. It also covers theft, which is common in Phoenix, and wildlife collisions.

Arizona Drivers: Stop Overpaying

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⚠️ State-Specific Rate Disclaimer: Car insurance rates vary significantly based on your ZIP code, city, driving record, credit history, vehicle, coverage selections, and other individual factors. The Arizona averages cited in this article are based on industry data and may not reflect your personal experience. Your actual quotes may be higher or lower. Coverwise helps you compare personalized quotes from multiple carriers—your results depend on your unique profile. Always verify current requirements with the Arizona Motor Vehicle Division and Department of Insurance and Financial Institutions.