How Much Are Average Car Insurance Rates for an 18-Year-Old?

Last Updated on October 7, 2026

By James Shaffer · Reviewed by Thomas Rockford, insurance industry executive and financial analyst, on October 4, 2026 · How we fact-check

Car insurance is expensive at 18 — and for good reason: insurers price teen drivers higher because they have less experience behind the wheel and tend to file more claims. The crash data backs that up: the Insurance Institute for Highway Safety puts the fatal crash rate per mile driven for 16- to 19-year-olds at just over three times the rate for drivers 20 and over. If you’re an 18-year-old shopping for coverage (or a parent adding a teen driver), it helps to know what “average” looks like and what you can do to lower your premium.

• CarInsurance.com’s rate analysis, updated June 9, 2026, puts the average full coverage premium for an 18-year-old on their own policy at about $7,498 per year. State averages in the same study run from $1,885 in Hawaii to more than $12,000 in Louisiana, so your state matters more than the national number.
• Most families save money overall by adding an 18-year-old to an existing parent policy instead of buying a separate teen policy plus a separate parent policy. On the teen’s side alone, the same study has $6,588 a year on a parent’s policy against $7,047 on her own for a female driver, and $7,143 against $7,946 for a male driver.
• Your state alone swings the average by more than $10,000 a year in that study, and your ZIP code, vehicle and driving record move it further.
• Big savings often come from stacking discounts (good student, multi-car, and telematics/usage-based programs) and shopping around at every renewal.

Average car insurance rates for an 18-year-old

Rate analysis from CarInsurance.com, updated June 9, 2026, shows the average annual cost for an 18-year-old on their own full coverage policy is about $7,498 per year (roughly $625/month). Rates vary by state and gender — the same analysis puts 18-year-old females at $7,047 a year, or $587/month, and 18-year-old males at $7,946 a year, or $662/month. Its sample uses 100/300/100 liability limits with $500 collision and comprehensive deductibles, so quotes with different limits won’t line up with these numbers.

Staying on a parent’s policy is usually the cheapest option for most households. Even when a teen’s standalone premium looks similar to a parent policy that adds a teen, families typically pay less overall by keeping everyone on one policy (instead of paying for two separate policies). In the same analysis an 18-year-old female averages $6,588 a year on a parent’s policy against $7,047 on her own, and an 18-year-old male $7,143 against $7,946. If you’re eligible to stay on your parents’ policy, it’s often the best place to start.

Average annual full coverage rates by state (18-year-olds)

These figures are annual premiums for an 18-year-old on their own policy with full coverage, shown by state for both female and male drivers. They are CarInsurance.com’s figures as of June 9, 2026, on 100/300/100 limits with $500 deductibles.

Hawaii’s number is low for a reason. Its insurance statute says no insurer may base a rating plan on a person’s “age, sex, length of driving experience” or credit rating, so an 18-year-old in Hawaii is not rated as a teenager at all.

What impacts an 18-year-old’s insurance rate?

Age is a huge factor, but it isn’t the only one. Insurers price teen policies using a combination of risk signals. The biggest ones include:

• Policy setup (parent policy vs. separate policy). A teen on their own policy is often priced higher — and if parents keep their own policy too, the household total can be more expensive than staying together. If you’re wondering if a teen can get coverage solo, see: Can teens get car insurance without their parents’ permission?
• Location. Dense traffic, theft rates, weather risk, medical costs, and repair costs all vary by state and ZIP code.
• Gender (where allowed). Many insurers price young men higher than young women because claim patterns differ, though some states restrict or prohibit gender-based pricing. In the table above, the female and male figures are identical in California, Hawaii, Massachusetts, Michigan, North Carolina and Pennsylvania. (More context: Do women get cheaper car insurance?)
• Vehicle choice. Newer, higher-value, or high-performance models cost more to insure. Choosing a safer, lower-cost-to-repair car can help. (More: How your type of car affects your insurance rates.)
• Driving record. Tickets and accidents can spike teen premiums fast. Here’s a deeper look at how much insurance can go up after an accident for a teenager.

How to save on car insurance at 18

You usually can’t change your age — but you can stack discounts and make smarter coverage choices. These strategies tend to make the biggest difference:

1. Ask about every discount (and confirm it’s applied). Start here: Best auto insurance discounts.
2. Use a good student discount if you qualify. Many insurers offer discounts for GPA, honor roll, or standardized test scores. State Farm’s discounts page advertises up to 25% for a full-time student with a 3.0 GPA, a top 20% class rank, or Dean’s List or honor roll standing. (More: cheap student auto insurance discounts.)
3. Consider telematics/usage-based insurance if you drive safely. These programs track driving habits and can reward good behavior. (More: Can telematics help you save on auto insurance?)
4. Stay on a family policy when possible and take advantage of multi-car savings. (More: multi-car discounts.)
5. Choose a higher deductible (if you can afford it) to lower your premium — especially for collision and comprehensive.
6. Shop multiple insurers every renewal. Teen pricing varies widely by company, so quotes matter more than brand loyalty at this age.

Best car insurance companies for 18-year-old drivers

No single insurer is best everywhere. These four are worth quoting because of what they publish for young drivers:

• State Farm – Its discounts page lists a good student discount of up to 25%, a driver training discount for drivers under 21, and the Steer Clear program for drivers under 25.
• GEICO – Names student discounts and a defensive driving discount on its discounts page, and you can quote online. It doesn’t publish the percentages.
• American Family – Groups four young-driver discounts: good student, away at school, young volunteer and generational.
• Nationwide – Lists accident forgiveness and a good student discount on its discounts page, plus the SmartRide telematics program with an instant 10% for signing up.

Published discounts and the actual price are two different things. In CarInsurance.com’s June 2026 analysis the lowest price for an 18-year-old added to a parent’s policy came from Travelers, at $4,601 a year for a female driver and $5,185 for a male driver, and none of the four companies above was cheapest.

Bottom line: rates for 18-year-olds are high, but the right policy setup, discounts, and safe driving habits can make a meaningful difference. Compare quotes, verify discounts, and revisit your coverage each renewal as your risk profile improves. My advice is to quote the teen on your policy and on a policy of their own, with the same limits and the same deductibles, before you decide anything.

FAQs on Car Insurance Rates for 18-Year-Olds

Sources

Checked October 4, 2026

• CarInsurance.com — How Much Is Car Insurance for an 18-Year-Old?, updated June 9, 2026
• Insurance Institute for Highway Safety — Teenage Driver Fatality Statistics
• Centers for Disease Control and Prevention — Risk Factors for Teen Drivers, August 4, 2025
• Hawaii Revised Statutes — 431:10C-207
• Alabama Code — 26-1-1
• Nebraska Revised Statutes — 43-2101
• State Farm — Discounts Page
• GEICO — Discounts Page
• American Family — Discounts Page
• Nationwide — Discounts Page