Practical guide
Understanding vehicle total-cost estimate — sensitivity table
Everyday editorial team · GEOINNOVATION CO., LTD · Published · Updated
What this calculation is for
Vehicle ownership combines financing, depreciation and operating costs. Looking only at the loan payment can obscure the effect of mileage, insurance and future resale value. Use the same ownership period when comparing two vehicles.
How the method works
The estimate annualizes or spreads the entered purchase, resale and ownership assumptions, then includes the named recurring costs such as insurance, maintenance, registration and fuel. Read the result labels to avoid adding a loan’s principal cost again when the vehicle’s purchase cost is already represented.
A worked example
An extra $75 per month in insurance adds $900 per year even if two vehicles have the same payment. A lower fuel bill may or may not offset that difference depending on annual mileage.
Assumptions and real-world differences
Resale values, repair needs, fees and interest rates are user assumptions, not vehicle quotes. Financing cash flow and depreciation are different views of cost and should not be combined indiscriminately. Taxes and costs appear only where the form explicitly includes them.
Reading the vehicle purchase price sensitivity table
The tool evaluates the same model across a range of vehicle purchase price values while holding other assumptions constant. Choose a realistic low value, high value and number of points. Each row reports the same headline measure; the table is a set of conditional calculations, not a probability distribution or a forecast. Input-step rounding can make nearby rows equal.
Reproduce this tool’s example
These fixed example inputs are independent of edits you make above. Enter them in this tool to reproduce the result, then replace them with your own assumptions.
- Minimum vehicle purchase price
- 16,000 $
- Maximum vehicle purchase price
- 48,000 $
- Number of comparison points
- 5 points
- Down payment and trade-in equity
- 6,000 $
- Auto-loan APR
- 7 %
- Loan term
- 5 years
- Annual miles driven
- 12,000 miles
- Fuel economy
- 30 MPG
- Fuel price
- 3.5 $/gallon
- Monthly insurance and maintenance
- 250 $
Sensitivity analysis: 5 comparison points
Vehicle purchase price ranges from $16,000 to $48,000.
- Vehicle purchase price: $16,000: $564.68
- Vehicle purchase price: $24,000: $723.09
- Vehicle purchase price: $32,000: $881.5
Frequently asked questions
- Is depreciation a cash payment?
- Not each month, but the change in vehicle value affects the total economic cost of ownership.
- Can I compare an electric vehicle here?
- Use the dedicated charging-cost tools for electricity-specific operating assumptions.
- Does the most favorable row show the most likely outcome?
- No. The table assigns no likelihood to any row. It shows how the result responds to the chosen assumption, and you remain responsible for selecting a plausible range.