Best Rates for Auto Insurance in Arizona

Arizona is an at-fault state: the driver who causes a crash is responsible for the damage, and that driver's liability insurance pays. Arizona raised its minimum limits in 2020, so older guides quoting 15/30/10 are out of date. Here's what applies now, what Arizonans pay, and how to get the best rate.

What Arizona law requires

Every vehicle driven on Arizona roads needs liability insurance of at least $25,000 per injured person, $50,000 per accident for injuries, and $15,000 for property damage. These 25/50/15 limits have applied to every new or renewed policy since July 1, 2020 (Arizona DIFI). The policy must come from an insurer licensed in Arizona. Uninsured and underinsured motorist cover isn't required, but insurers must offer it, and it's worth considering.

$15,000 of property damage won't replace most newer cars. If you cause a serious crash, anything above your limits is your responsibility. Most drivers with savings or a home choose higher limits.

How Arizona checks your insurance

Insurers report policies to ADOT's Motor Vehicle Division electronically, and proof of Arizona insurance must reach MVD within 30 days of registering a vehicle. If your insurer reports that a policy has ended, MVD sends a notice asking for evidence of coverage within 15 days. Without it, your registration and driver's license can be suspended. Reinstating a vehicle's registration costs $50 plus proof of current insurance (Arizona Department of Transportation).

Penalties for driving uninsured

Violation (within 36 months)	Minimum civil penalty	Driving privileges
First	$500	Restricted for three months
Second	$750	License, registration and plates suspended for six months
Third or later	$1,000	License, registration and plates suspended for one year; SR-22 needed to reinstate

Source: Arizona Revised Statutes §28-4135. For how the filing works, see SR-22 insurance.

What Arizonans pay

Arizonans paid an average of $2,550 a year for full coverage, 13% under the $2,922 national figure, making Arizona the 23rd cheapest of 49 areas (Experian, “Car Insurance Average Costs by State,” published September 9, 2026). Phoenix and Tucson ZIP codes typically cost more than rural ones. About one Arizona driver in ten (10.6%) had no insurance in 2023 (Insurance Research Council, 2023 estimates, via the Insurance Information Institute).

Arizona is a pure comparative negligence state: if you're partly to blame for a crash, what you can recover is reduced by your share of fault, but it isn't barred (Matthiesen, Wickert & Lehrer, updated June 10, 2026).

How to get the best rate in Arizona

Collect four or five quotes built on the same limits and deductibles.
Question every optional cover. Medical payments cover may duplicate good health insurance; collision on a low-value car may cost more than it can pay out. Keep liability and uninsured motorist cover.
Ask for discounts: multi-policy, multi-car, defensive driving course, good student, paid-in-full. See car insurance discounts.
Keep cover continuous. Even a short lapse brings MVD notices and fees, and a higher price next time.
Check an insurer's complaint record with Arizona DIFI before you buy.

Instant online auto insurance quotes in Arizona

Most insurers selling in Arizona quote online in minutes, and many can issue the policy and your proof of insurance straight away. An instant quote is only as good as the details you enter. Use the same limits and deductibles for every insurer, list every household driver, and answer the questions on accidents and violations accurately, because the insurer checks your driving record before the policy is final and will reprice it if the answers were wrong. Watch for quotes that default to the 25/50/15 minimum or leave out uninsured motorist cover; they look cheaper only because they cover less. For a step-by-step method, see how to compare auto insurance quotes.

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Written by the CarInsuranceHub.com editorial team. Last updated September 2026. Arizona requirements can change; the Arizona Department of Insurance and Financial Institutions (difi.az.gov) and ADOT MVD have the current rules.