Car Insurance for 21-Year-Olds in Arizona
A 21-year-old driver in Arizona pays an estimated $4,487 a year for full coverage, or $374 a month. That is 71% more than the $2,622 a 35-year-old pays on the same policy. Age is the single largest rating factor at this end of the curve, and it improves every year until the mid-twenties.
Car insurance calculator — Arizona
Estimated from state average premiums and your rating factors. Not a quote.
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Cheapest insurers for a 21-year-old in Arizona
| Insurer | Est. annual | Est. monthly | vs. average | Notes |
|---|---|---|---|---|
| USAA | $1,993 | $166 | -24% | Military members and families only |
| Geico | $2,150 | $179 | -18% | Usually cheapest for clean records |
| State Farm | $2,307 | $192 | -12% | Strong for young and student drivers |
| Progressive | $2,491 | $208 | -5% | Competitive after a ticket or accident |
| Travelers | $2,543 | $212 | -3% | Good multi-policy discounts |
| Nationwide | $2,622 | $219 | 0% | Mid-market, wide availability |
| Allstate | $2,989 | $249 | +14% | Higher base rate, heavy discount stacking |
| Farmers | $3,173 | $264 | +21% | Agent-led, priced above market |
Modelled estimates for a 35-year-old with a clean record and full coverage in Arizona at age 21. USAA tends to sit lowest, but the ranking flips constantly by ZIP and driver profile — which is exactly why quoting three carriers is worth the ten minutes.
Coverage levels at 21
| Coverage level | Est. annual | Est. monthly |
|---|---|---|
| State minimum liability | $856 | $71 |
| Full coverage (100/300/100 + comp & collision) | $2,622 | $219 |
| Full coverage, high limits + low deductible | $3,120 | $260 |
Coverage level comparison for Arizona at age 21.
What a violation costs at this age
| Driving record | Est. annual | Increase |
|---|---|---|
| Clean record | $2,622 | — |
| 1 speeding ticket | $3,225 | +23% |
| 1 at-fault accident | $3,854 | +47% |
| DUI / DWI | $4,956 | +89% |
What a violation costs a 35-year-old in Arizona. Surcharges normally stay on the policy for three to five years.