An auto insurance comparison calculator helps you estimate premiums across coverage levels and understand what each type covers, so you can compare quotes intelligently and choose the right protection.
Disclaimer: Premium estimates are for informational purposes only. Actual premiums depend on your specific vehicle, credit score, insurer, and many other factors. Get quotes from licensed insurers for accurate pricing.
Your Profile
Estimated Premium Range
Liability Only
Standard Coverage Recommended
Full Coverage
State Minimum Requirements
Format: bodily injury per person / per accident / property damage (in thousands). Some states use no-fault systems or require additional PIP coverage.
Ways to Lower Your Premium
- ✓ Bundle home and auto (10-15% discount)
- ✓ Increase your deductible from $250 to $500 (saves 10-20%)
- ✓ Maintain a clean driving record for 3+ years
- ✓ Take a defensive driving course (5-10% discount)
- ✓ Drive less than 7,500 miles/year (low mileage discount)
- ✓ Improve your credit score (major factor in most states)
- ✓ Shop quotes annually — loyalty rarely saves money
Premium estimates are for informational purposes only. Get real quotes from State Farm, GEICO, Progressive, Allstate, and USAA to find the best rate for your situation.
How to Use the Auto Insurance Comparison Calculator
This auto insurance comparison calculator helps you understand how much different coverage levels cost and what each covers, so you can make informed decisions when shopping for car insurance.
Understanding Coverage Levels
Auto insurance has three main tiers. Liability-only (state minimum) covers damage you cause to others but nothing for your vehicle. Standard coverage adds collision and uninsured motorist protection. Full coverage adds comprehensive (theft, weather, animals) and rental coverage. Lenders require full coverage on financed vehicles.
How Your Profile Affects Rates
State is the biggest factor — Michigan averages $250+/month while Ohio averages under $100/month. Driving record matters enormously: a DUI can double your rate. Age peaks at 16-24 (highest risk) then drops steadily until 65+. Vehicle type matters — sports cars and luxury vehicles cost significantly more to insure than economy sedans.
When to Drop Full Coverage
If your vehicle is worth less than $4,000–$5,000, dropping collision and comprehensive saves 30-50% in premiums. The rule of thumb: if your annual collision and comprehensive premium exceeds 10% of the car's value, dropping it makes financial sense. Keep liability regardless — it's legally required and protects your assets.
Shopping for Quotes
Always get at least 3-5 quotes. Insurers use different rating algorithms, so the same driver can see 50-100% premium differences between companies. Use comparison sites (NerdWallet, The Zebra) plus going direct to GEICO, Progressive, State Farm, and USAA. Re-shop every 1-2 years — loyalty rarely pays off with car insurance.
FAQ
How much is car insurance per month?
Average car insurance costs $130-180/month for full coverage and $50-80/month for liability-only coverage nationally. Rates vary dramatically by state (Michigan averages $250+/month while Ohio averages under $100/month), driving record, age, vehicle type, and credit score.
What is full coverage auto insurance?
Full coverage combines liability (required by law), collision (covers your car in accidents), and comprehensive (covers theft, weather, animals). Full coverage is typically required by lenders when you finance or lease a vehicle. It costs 2-3x more than liability-only coverage.
What is the minimum car insurance required by law?
Every state requires liability insurance — typically 15/30/10 to 25/50/25 (bodily injury per person/per accident/property damage in thousands). Some states also require uninsured motorist coverage or personal injury protection (PIP). Your lender may require comprehensive and collision on top of state minimums.
How can I lower my car insurance premium?
Top ways to reduce premiums: bundle home and auto (10-15% discount), increase your deductible ($500 vs $250 saves 15-20%), maintain a clean driving record, take a defensive driving course, improve your credit score, shop quotes annually, drop collision on older vehicles worth less than $4,000.
Does a speeding ticket raise my insurance?
A single speeding ticket typically raises premiums 15-30% for 3-5 years depending on your state and insurer. A DUI can double or triple your rate and trigger an SR-22 requirement. At-fault accidents add 30-50% on average. Insurance companies check your record at each renewal.
Is this tool free?
Yes, completely free with no signup required. All estimates are based on national averages and state data.