Vehicle Financing Simulator (CDC): Calculate Interest and Installments

CDC, Leasing, and Consignment: Which is the best way to purchase a vehicle?

When purchasing a car in Brazil without paying cash, the three most common options are CDC (Direct Consumer Credit), Leasing, and Consignment. Each has distinct characteristics regarding cost, access speed, and income commitment.

1. CDC (Direct Consumer Credit)

CDC is the traditional vehicle financing method. The bank or financial institution pays the car seller, and you assume a debt with fixed interest. The installments are calculated using the PRICE System (fixed installments). The vehicle is alienated to the bank until the debt is paid, but it is registered in your name. It is the most common and rapid option for those who do not have the total value available.

2. Leasing (Mercantile Lease)

In leasing, the bank purchases the vehicle and leases it to you for a determined period. At the end of the contract, you decide whether to purchase the vehicle for the guaranteed residual value (GRV). During the contract, the vehicle remains in the bank's name. Leasing rates are usually slightly lower than CDC, but the product has become less popular and less offered in the current market.

3. Consignment

In consignment, a group of people pool their resources in monthly units/shares to form a collective savings. Each month or year, one or more participants are awarded by drawing or bidding and receive a credit letter to purchase the vehicle. There is no interest, only an administration rate (usually between 15% and 22% of the total). The disadvantage is the uncertainty: you may be awarded in the first month or in the last.

What is the Effective Total Cost (CET)?

The Effective Total Cost (CET) is the real annual interest rate that represents all the financing costs: nominal interest, IOF, administrative fees, and any other charges. It is the correct indicator to compare proposals from different banks. By law (CMN Resolution 3,517/07), all banks are required to inform the CET before signing the contract. Always compare the CET, not just the nominal monthly rate.

How is the IOF calculated in Automotive Credit?

The IOF (Financial Operations Tax) in vehicle credit operations has two components:

Fixed IOF: 0.38% of the total operation value, charged once.
Daily IOF: 0.0082% per day (or 3% per year), applied to the average outstanding balance. For simplification, it is calculated as 0.0082% × (term in days) of the principal.

The IOF is added to the financed amount and, therefore, also generates interest over the contract period. This means that the IOF cost is even higher than it initially seems.

The 30% Income Rule for Credit

The standard guideline in the financial market and among financial educators is that the total of your financing installments (car, house, other credits) should not exceed 30% of your net monthly income. Committing more than this puts your budget stability at risk and reduces your ability to save and handle unexpected expenses. Before signing a financing contract, also check the vehicle's fixed expenses: insurance, IPVA, maintenance, and fuel.

Frequently Asked Questions about Vehicle Financing

It depends on your need for immediate access to the vehicle. CDC allows you to have the car now, paying interest (usually 1.2% to 1.7% per month). Consignment has no interest, only an administration rate (usually between 15% and 22% of the total), but you may have to wait months or years until you are awarded. If you need the vehicle for work or have an emergency, CDC is more suitable. If you can plan ahead and are not in a hurry, consignment is more economical in the long term.

Yes! Early payment is a consumer's right guaranteed by the Consumer Defense Code and the Central Bank. When paying off early, you are entitled to a proportional discount of future interest (pro rata interest). In the PRICE system, since interest is higher at the beginning and lower at the end, the savings from early payment are greater if you pay off sooner. Remember: early payment only reduces the outstanding principal, not the interest already paid.

The IOF is charged at the time of credit contracting and is embedded in the financed amount. This means you do not pay the IOF directly, but the bank finances the IOF along with the vehicle amount. As a result, you pay interest on the IOF as well, increasing the total cost. For a $45,000 financing over 48 months, the IOF can represent between $900 and $1,500, which in turn generates a few hundred dollars more in additional interest.

The monthly rate is the one that directly applies to the outstanding balance each month. It is not simply multiplied by 12 to obtain the annual rate (that would be the nominal rate). The effective annual rate is calculated by compound capitalization: annual rate = (1 + monthly rate)^12 - 1. Therefore, a 1.49% monthly rate is equivalent to approximately 19.4% effective annual rate (and not 17.88% which would be the nominal rate). Always ask the bank for the effective monthly rate and the annual CET to compare correctly.

Almost always yes. A larger down payment reduces the principal financed amount, which in turn decreases: (1) the monthly installment amount; (2) the total interest paid over the contract; (3) the IOF calculated on the principal; and (4) the commitment of your monthly income. Generally, making a down payment of at least 20% to 30% of the vehicle's amount is recommended. However, do not compromise your entire emergency reserve to make a larger down payment. Keep at least 3 to 6 months of expenses reserved.

Vehicle Financing Simulator (CDC)

Cash Payment

CDC Financing

Consignment (Estimate)

Outstanding Balance Evolution

Total Cost Composition

Amortization Schedule (PRICE System)