Complete Auto Calculator
Comprehensive vehicle calculator with buy vs lease analysis, total cost of ownership, road trip costs, and EV vs gas comparisons. Make informed car decisions.
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How to Use This Calculator
- Follow the step-by-step wizard — complete each step before moving to the next. This guided approach ensures you provide all the necessary information in a logical order.
- Calculation Mode — Calculation mode to use. Choose from: Buy (Auto Loan), Lease, Total Cost of Ownership, Road Trip Cost, EV vs Gas Comparison. default: 0.
- Vehicle Price — enter a dollar amount. Accepts values from $5,000 to $200,000 (default: $35,000).
- Down Payment — Upfront payment amount. Accepts values from $0 to $100,000 (default: $5,000).
- Sales Tax Rate — enter a percentage value. Accepts values from 0 % to 15 % (default: 7 %).
- Vehicle Type — enter your preferred option from the dropdown. Choose from: Sedan, SUV, Truck, Luxury. default: 0.
- Fuel Type — enter your preferred option from the dropdown. Choose from: Gasoline, Hybrid, Electric (EV). default: 0.
- Annual Miles — enter a number in mi. Accepts values from 1,000 mi to 50,000 mi (default: 12,000 mi).
- Gas Price — enter a dollar amount in /gal. Accepts values from $1 /gal to $10 /gal (default: $3.5 /gal).
- Expand "Advanced Options" for additional fine-tuning. These optional inputs let you model more specific scenarios:
- Interest Rate (APR) — Annual interest rate as a percentage. Accepts values from 0 % to 25 % (default: 6.5 %).
- Loan Term — Length of the loan in the specified time unit. Accepts values from 1 years to 8 years (default: 5 years).
- Trade-In Value — enter a dollar amount. Accepts values from $0 to $100,000 (default: $0).
- Residual Value — Percentage of MSRP at lease end Accepts values from 20 % to 80 % (default: 55 %).
- Money Factor — Multiply by 2,400 for APR equivalent Accepts values from 0 to 0.01 (default: 0.0025).
- Lease Term — enter a number in months. Accepts values from 12 months to 60 months (default: 36 months).
- Ownership Period — enter a number in years. Accepts values from 1 years to 15 years (default: 5 years).
- Fuel Economy (MPG/MPGe) — enter a number in mpg. Accepts values from 10 mpg to 150 mpg (default: 30 mpg).
- Electricity Rate — enter a dollar amount in /kWh. Accepts values from $0.05 /kWh to $0.5 /kWh (default: $0.14 /kWh).
- Annual Insurance — enter a dollar amount. Accepts values from $500 to $5,000 (default: $1,500).
- Annual Registration — enter a dollar amount. Accepts values from $50 to $500 (default: $150).
- Trip Distance — enter a number in miles. Accepts values from 10 miles to 5,000 miles (default: 500 miles).
- Number of Passengers — enter a numeric value. Accepts values from 1 to 8 (default: 2).
- Estimated Tolls — enter a dollar amount. Accepts values from $0 to $500 (default: $0).
- Parking Costs — enter a dollar amount. Accepts values from $0 to $200 (default: $0).
- EV Price — enter a dollar amount. Accepts values from $20,000 to $150,000 (default: $45,000).
- EV Tax Credit — enter a dollar amount. Accepts values from $0 to $15,000 (default: $7,500).
- Comparison Period — enter a number in years. Accepts values from 1 years to 15 years (default: 5 years).
- Once all inputs are set, review your results in the Results panel. Here's what each output means:
- Monthly Payment — shown as a dollar amount. This is the primary result of this calculator.
- Total Cost of Ownership — shown as a dollar amount. This is the primary result of this calculator.
- Total Trip Cost — shown as a dollar amount. This is the primary result of this calculator.
- EV Savings — shown as a dollar amount. This is the primary result of this calculator.
- Loan Amount — shown as a dollar amount.
- Total Payments — shown as a dollar amount.
- Total Interest — shown as a dollar amount.
- Sales Tax — shown as a dollar amount.
- Value at Loan End — shown as a dollar amount.
- Total Lease Cost — shown as a dollar amount.
- Depreciation — shown as a dollar amount.
- Finance Charges — shown as a dollar amount.
- Residual Value — shown as a dollar amount.
- Equivalent APR — shown as a percentage.
- Buy vs Lease Monthly Diff — shown as a dollar amount.
- Cost per Mile — shown as a dollar amount.
- Cost per Year — shown as a dollar amount.
- Cost per Month — shown as a dollar amount.
- Total Depreciation — shown as a dollar amount.
- Total Fuel Cost — shown as a dollar amount.
- Total Maintenance — shown as a dollar amount.
- Total Insurance — shown as a dollar amount.
- Estimated Resale Value — shown as a dollar amount.
- Fuel/Charging Cost — shown as a dollar amount.
- Cost per Person — shown as a dollar amount.
- Cost per Mile — shown as a dollar amount.
- Gallons Needed — shown as a numeric value.
- kWh Needed — shown as a numeric value.
- Wear & Tear — shown as a dollar amount.
- Gas Vehicle Total Cost — shown as a dollar amount.
- EV Total Cost — shown as a dollar amount.
- Annual Fuel Savings — shown as a dollar amount.
- Break-Even (Years) — shown as a numeric value.
- Gas Fuel Cost (Total) — shown as a dollar amount.
- EV Charging Cost (Total) — shown as a dollar amount.
- CO₂ Saved — shown as a numeric value.
- Scroll down to explore 2 charts (Cost Breakdown, Comparison) for a visual breakdown of the data.
- Check the Schedule for a detailed row-by-row breakdown. This is useful for spotting trends or finding values at specific points.
- Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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