Auto Coverage Rate Comparison Calculator

Enter drivers, vehicle details, and desired protections now. Review three plans side by side instantly. Download results, share comparisons, and save smarter decisions fast.

Profile Inputs
These fields shape the risk multiplier applied to every plan.
$
Used with the plan’s rate per $1,000.
Context only; insurers may price differently.
0 = clean. Higher points increase risk.
Some areas restrict how this is used.
Continuous coverage often lowers pricing.

Plan Inputs
Enter at least two plans. “Rate per $1,000” is the monthly vehicle-value rate.
Plan 1
Enter a positive rate to include
$
Example: 1.50 means $1.50 per $1,000 each month.
Applied after risk multiplier.
$
$
Plan 2
Enter a positive rate to include
$
Example: 1.50 means $1.50 per $1,000 each month.
Applied after risk multiplier.
$
$
Plan 3
Enter a positive rate to include
$
Example: 1.50 means $1.50 per $1,000 each month.
Applied after risk multiplier.
$
$
Reset
Tip: If you already have insurer quotes, reverse-engineer a rate by dividing the quoted monthly premium by (vehicle value ÷ 1,000).
Example Data

Sample inputs used by the default values above. Replace with your own details for a more relevant comparison.

Item Value Notes
Vehicle value$22,000Used to scale each plan’s base vehicle component.
Primary driver age34Age factors typically soften after 25.
Annual mileage12,000More miles can increase exposure and price.
Plan A rate / $1,000$1.55Higher limits and add-ons can raise totals.
Plan B rate / $1,000$1.35Lower deductibles can improve score.
Plan C rate / $1,000$1.75Adds stronger protection features.
Formula Used
This model converts rates, coverages, and profile factors into a comparable monthly and annual estimate.
Premium estimate
  • VehicleComponent = RatePer1000 × (VehicleValue ÷ 1,000)
  • Subtotal = OtherBase + AdjustedPhysicalDamage + AddOns
  • Risked = Subtotal × RiskMultiplier
  • MonthlyTotal = Risked × (1 − Discount%) + MonthlyFee
  • AnnualTotal = (MonthlyTotal × 12) + AnnualFee
Coverage scoring
  • Limits add points; lower deductibles add points.
  • Add-ons add both cost and score points.
  • ValueIndex = (CoverageScore ÷ AnnualTotal) × 1,000
  • CostPerPoint = AnnualTotal ÷ CoverageScore
RiskMultiplier combines age, record points, mileage, territory, credit tier, use, prior insurance, and bundling assumptions.
How to Use This Calculator
  1. Enter your profile inputs to set the shared risk multiplier.
  2. For each plan, enter a monthly rate per $1,000 vehicle value.
  3. Select limits and deductibles that match each plan’s quote.
  4. Toggle add-ons, fees, and discounts to reflect reality.
  5. Press Compare Plans to view results above the form.
  6. Export results using the CSV/PDF buttons for sharing.
If you have a quoted monthly premium instead of a rate, estimate a rate by: QuotedMonthly ÷ (VehicleValue ÷ 1,000).

Rate-per-$1,000 premium scaling

This calculator converts each plan’s rate per $1,000 into a vehicle component. Example: $1.55 × (22,000 ÷ 1,000) = $34.10 monthly before profile factors. When you update vehicle value, every plan re-scales consistently, keeping comparisons fair across providers.

Profile risk multiplier assumptions

The shared risk multiplier summarizes age, mileage, driving record points, territory, vehicle age, usage, and prior insurance. A multiplier of 0.950 implies a 5% reduction versus baseline, while 1.250 implies 25% higher expected cost. Keeping this factor constant isolates plan design differences. In practice, the same driver can move from 0.85 to 1.60 as signals change.

Deductibles and protection trade-offs

Collision and comprehensive deductibles influence both price and score. Lower deductibles generally increase premiums but improve financial resilience after a claim. In many quote sets, moving from a $1,000 deductible to $500 can raise monthly cost by a few dollars while reducing out-of-pocket exposure by $500 per loss event. Pair this with liability limits, because higher limits often add modest cost but meaningful protection points.

Coverage score and value index

Limits add points; add-ons add points; lower deductibles add points. Value Index converts protection into a cost-normalized metric: (Score ÷ Annual Total) × 1,000. A plan with 920 points and $1,620 annual cost yields 568, often signaling strong balance versus a cheaper plan with weaker protection. Cost per point helps spot overpricing when two plans score similarly but differ widely in annual total.

Using results to negotiate and optimize

Start with the lowest-cost plan, then adjust limits and deductibles until the score matches your preferred plan. If the adjusted plan remains cheaper, you’ve found a negotiation target. Use the CSV export to document assumptions, and re-run scenarios after adding bundling discounts or removing add-ons with low personal value. Test an annual-pay scenario by shifting fees to annual. Re-check results after major changes.

FAQs
Q1. What does “rate per $1,000” mean?

It is a pricing factor that scales with vehicle value. The calculator multiplies your rate by (vehicle value ÷ 1,000) to estimate the vehicle-based portion of monthly premium.

Q2. Why do all plans share one risk multiplier?

Keeping one profile multiplier makes the comparison consistent. It helps you see plan design differences—limits, deductibles, add-ons, and fees—without changing driver risk assumptions between quotes.

Q3. How is the coverage score calculated?

Scores add points for higher liability limits, optional protections, and lower deductibles. The goal is a consistent, directional measure of protection strength, not an insurer’s proprietary rating model.

Q4. What is the Value Index and how should I use it?

Value Index = (score ÷ annual total) × 1,000. Higher values typically mean more protection per dollar. Use it alongside total cost to avoid choosing a high-score plan that exceeds your budget.

Q5. Can I compare quotes from different insurers?

Yes, if you translate each quote into the same inputs. Match limits, deductibles, add-ons, and fees as closely as possible, then compare annual totals and value metrics on a like-for-like basis.

Q6. Does the PDF include the chart?

The PDF export focuses on the comparison table for clean sharing. Use the on-screen chart for interactive analysis, and print the page if you want a visual snapshot with the table.

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Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.