Car Insurance Calculator

What Affects Your Car Insurance Rate?

Age

Young drivers (under 25) pay the highest rates — statistically, they're involved in more accidents. Rates typically peak at 16–19, drop significantly by 25, and remain relatively stable through your 50s before rising slightly again after 70. If you're adding a teen to a family policy specifically, the Teen Driver Insurance Calculator models the added cost and available discounts in more detail.

Driving Record

This is the biggest controllable factor. A single at-fault accident can raise your premium 20–50% for 3–5 years. A DUI can double or triple your rate. Keeping a clean record is the single best way to keep premiums low.

Vehicle Type

Sports cars and luxury vehicles cost more to insure because they cost more to repair and are more likely to be stolen. Sedans and minivans are generally the cheapest to insure. EVs cost more due to expensive battery repairs.

Coverage Level

State minimum liability-only coverage is cheapest, but leaves your own vehicle unprotected. Full coverage (liability + collision + comprehensive) adds significant protection and is typically required if you have a car loan. The right level depends on your vehicle's value and your financial situation.

Credit Score

In most states, insurers use your credit score as a rating factor. Statistically, people with lower credit scores file more claims. Moving from poor to good credit can save 20–30% on your premium.

Annual Mileage

The more you drive, the higher your accident exposure. Low-mileage drivers (under 7,500 miles/year) can qualify for discounts with many insurers. Usage-based programs that track your actual driving can offer meaningful savings if you drive safely and infrequently.

How to Lower Your Car Insurance Premium

• Bundle with home or renters insurance (save 5–15%)
• Raise your deductible from $500 to $1,000 (save 10–20%)
• Ask about good student, good driver, and low-mileage discounts
• Drop collision/comprehensive on older vehicles worth less than $4,000
• Improve your credit score over time
• Shop and compare quotes every 1–2 years

Frequently Asked Questions

What's the single biggest factor in car insurance cost?

Your driving record. A single at-fault accident can raise your premium 20–50% for 3–5 years, and a DUI can double or triple your rate. Age and location matter too, but a clean driving record is the one factor almost everyone can control directly.

How much does raising my deductible actually save?

Raising your deductible from $500 to $1,000 typically saves 10–20% on your collision and comprehensive premium. The tradeoff is a higher out-of-pocket cost if you do file a claim, so it makes the most sense if you have savings set aside to cover the higher deductible.

Should I drop collision and comprehensive coverage on an older car?

It's worth considering once your car is worth less than about $4,000. Collision and comprehensive only pay up to your car's actual cash value, so if that value is low relative to the premium you're paying, dropping it can be reasonable — as long as you could afford to replace the car out of pocket if it were totaled.

Why does my credit score affect my car insurance rate?

In most states, insurers use a credit-based insurance score as a rating factor because it's statistically correlated with claim frequency. Moving from poor to good credit can save 20–30% on your premium.

Why is car insurance so much more expensive in some states than others?

State-level rates vary enormously — from around $75/month in Maine to $230/month in Michigan — driven by minimum coverage requirements, no-fault vs. at-fault laws, litigation costs, weather-related claim frequency, and how competitive the local insurance market is.