Estimated result
$0 monthly paymentEducational estimate only. Actual loan, insurance, tax, and fee amounts vary.
The monthly payment is only one line item
A realistic car budget includes financing, insurance, fuel, maintenance, registration, taxes, and fees. The payment can look reasonable while the all-in monthly cost is not.
This calculator is designed for side-by-side comparison. Keep the same assumptions across two vehicles, then change only the vehicle-specific inputs.
- Use this page before comparing new vs used vehicles.
- Add parking or tolls mentally if they are part of your commute.
- Increase maintenance for older vehicles or high-mileage driving.
Why total cost changes the decision
A cheaper used car may have a lower payment and higher maintenance. A newer car may have a higher payment and lower short-term repairs. A hybrid may cost more upfront but less in fuel.
The better choice depends on the whole monthly number and the amount of risk you are comfortable carrying.
Monthly cost vs cash flow
Some costs are monthly, while others arrive once or twice a year. Converting annual registration, insurance, and repair expectations into monthly amounts makes the budget easier to compare.
For a real household budget, consider setting aside the monthly equivalent even when the bill is not due yet.
Methodology
The loan payment is calculated with standard amortization: vehicle price plus estimated taxes and fees, minus down payment and trade-in value. Insurance defaults use the NAIC 2023 countrywide average expenditure unless a state-specific page is selected. Fuel, maintenance, and registration defaults are planning assumptions that should be edited for your vehicle and location.
The default APR reference is 7.36% from the Federal Reserve 48-month new auto loan rate series for February 2026. The countrywide insurance baseline is the NAIC 2023 average expenditure figure. None of these defaults are offers, quotes, or approval estimates.
FAQ
Should I include gas and maintenance?
Yes. A low payment can still be expensive if insurance, fuel, and upkeep are high.
Can I use this for a paid-off car?
Yes. Set the vehicle price or loan amount inputs so the payment is zero, then focus on operating costs.
Related calculators
Car affordability calculator, total car cost calculator, and car insurance estimator.