Vehicle Financing Simulator

Simulate car or motorcycle financing payments with Price or SAC, down payment, term, monthly rate, and optional costs.

How to use the vehicle financing simulator

Enter the vehicle price, down payment, costs to test, monthly rate, term, and amortization method. Results show total interest and a month-by-month schedule.

Use the monthly rate from your quote or create your own scenarios. The simulator does not fetch rates from banks, automakers, or dealers.

Price vs SAC for car or motorcycle financing

With Price, the payment is more stable and its composition changes over time: more interest early, more principal later.

With SAC, principal amortization is constant and the payment usually starts higher then decreases each month.

How down payment and term change total interest

A larger down payment reduces the financed balance. A longer term can lower the payment, but keeps the balance open for longer and tends to raise total interest.

Brazilian CET, IOF, insurance, and fees

Real quotes can include CET, IOF, fees, insurance, registration, guarantees, rounding, and specific due dates.

This version does not calculate regulatory CET or reproduce bank contracts. Enter optional costs when you want to test their financial impact.

Car, motorcycle, and no-down-payment scenarios

The same formula works for a car, motorcycle, or other vehicle when you have price, down payment, monthly rate, and term.

To simulate no down payment, leave the down payment at zero. The warning reminds you that financed balance and total interest tend to rise.

Sources and references

Version 2026-06-25 uses stable fixed-rate financing formulas and official links only as external references.

Microsoft PMTMicrosoft IPMTMicrosoft PPMTCitizen CalculatorBCB interest rates

Related calculators

Use other tools to compare financing, consortium, compound interest, and cash-flow returns.

Mortgage-style financingConsortiumFinancing vs consortiumCompound interestIRR

Important notice

This calculator is an educational estimate. It does not calculate official CET, IOF, credit approval, insurance, fees, registration, documentation, or purchase/financing advice.

Frequently asked questions

How do I calculate vehicle financing payments?
Enter vehicle price, down payment, monthly rate, term, and Price or SAC. The simulator estimates financed balance, payments, interest, and the amortization schedule.
Should I use a monthly or annual rate?
Use a monthly rate because Brazilian vehicle-financing quotes commonly show monthly interest. The equivalent annual rate is shown only as a reference.
Does it include IOF, CET, insurance, and fees?
Not automatically. You can enter optional costs as financed or upfront, but the calculator does not compute IOF or official CET.
Which is better for a car loan, Price or SAC?
It depends on the contract and your cash flow. Price tends to keep payments more constant; SAC usually starts higher and decreases over time.
Does a larger down payment reduce interest?
Yes. A larger down payment reduces the financed balance, generally reducing total interest because less balance is exposed to the monthly rate.
Can I use it for motorcycle financing?
Yes, if you enter price, down payment, monthly rate, and term. The calculator does not use brand, bank, or vehicle-model tables.
Why can my bank quote be different?
Real quotes can use CET, IOF, insurance, fees, due dates, rounding, grace periods, guarantees, and contract rules that this estimator does not reproduce.