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Step by step: how to simulate car financing and avoid high interest rates

Understanding how to simulate financing is the first step to making a good deal. Compare installments, interest rates and choose the most advantageous option.

From your dream to your garage, in affordable installments.

Larissa is 29 years old, lives in a rental property and dreams of buying her first car. So she looked for financing, but almost fell into a trap because she didn't know how to simulate car financing.

In his haste, he almost accepted installments with very high interest rates, without fully understanding the contract. That's when he discovered the importance of simulating beforehand.

Want to do like Larissa and avoid the pitfalls? Learn how to simulate financing the right way and ensure conditions that fit your budget.

After all, where can you simulate car financing without leaving home?

Nowadays, simulating car financing is easy, quick and can be done directly from your cell phone or computer.

Therefore, several banks, platforms and applications offer tools that show how much you will pay per month, the interest rate applied and the Total Effective Cost (CET).

Itau

Itaú's car financing simulator is one of the most complete. It allows you to adjust the down payment, term and type of vehicle (new or used).

Therefore, it is ideal for those seeking practicality and wanting to simulate installments with different scenarios. The simulation can be done either on the website or through the Itaú app.

FINANCING

Itau

SIMULATION NO COMMITMENT

Reliable credit with flexible plans and full support for your financing.

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Federal Savings Bank – Auto Credit

Caixa offers an exclusive simulator for vehicles called Crédito Auto Caixa. In it, you can simulate financing of up to 90% of the car's value with pre-fixed interest.

Furthermore, the simulation is carried out on Caixa's official website and is exclusively aimed at new or used vehicles.

FINANCING

Box

SIMULATION NO COMMITMENT

Long terms and stable financing for those who already have a relationship with Caixa.

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Bank of Brazil

With special conditions for account holders, Banco do Brasil accepts simulations with reduced deposits and offers flexible terms.

The online simulator shows financing installments, APR and total charges. Available on the app and website.

FINANCING

Bank of Brazil

SIMULATION NO COMMITMENT

Secure financing with special conditions for servers and customers

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FinanZero

FinanZero works like an offer comparator in the palm of your hand!

This way, you run a single simulation and receive several vehicle financing proposals from partner banks and financial institutions.

FINANCING

FinanZero

SIMULATION NO COMMITMENT

You can refinance your current vehicle to take advantage of lower interest rates

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Serasa eCred

Ideal for those who want to compare car credit based on the score.

Serasa eCred shows personalized offers with rates, terms and financing installments, being great for those who want to apply online and avoid bureaucracy.

FINANCING

Serasa eCred

SIMULATION NO COMMITMENT

Simulate online and discover credit based on your financial profile and credit score

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Why do a car financing simulation before closing the deal?

Closing a car loan without simulating it first is like signing a contract in the dark. See why this step is essential to making a good deal:

Avoid installments that turn into headaches
By simulating, you understand whether the financing installments really fit your budget. This avoids delays, debts and surprises along the way.

Understand interest rates before they come as a surprise
The financing simulation reveals the interest rate applied and the CET (Total Effective Cost). Knowing this protects you from abusive conditions.

Compare banks and choose more safely
You can simulate in different institutions and see which one offers the best rate, the lowest total amount and the most advantageous term.

Adjust the down payment and number of installments according to your reality
Simulation allows you to test different scenarios: with or without down payment, short or long terms. This way, you can create the best strategy to buy without having to tighten your belt.

Avoid falling into hidden fee traps
Many contracts seem advantageous at first, but hide administrative fees, mandatory insurance and additional charges. The simulator shows everything transparently.

How does the car financing simulation work?

Simulating financing is like testing the car before buying it: you understand whether the value, term and conditions really match your reality.

Therefore, with just a few details, you can access a preview of the installments, interest, down payment and total financing amount — all quickly, free of charge and without obligation.

See below how this tool works in practice:

What is analyzed in the simulation?

When simulating car financing, the platform uses information such as vehicle value, desired down payment, term and type of car (new or used) to calculate:

Approximate value of installments;

Monthly interest rate;

CET (Total Effective Cost);

Total amount paid at the end of the contract.

Difference between simulation and real credit proposal

A simulation is a preview — an estimate based on the data you entered.

The actual automotive credit proposal depends on the analysis of your credit score, proof of income and financial profile.

In other words: the simulation shows the way, but the final value may change at the time of hiring. Therefore, simulating beforehand helps you make a more informed choice.

What data do you need to have on hand to simulate?

For a complete and accurate simulation, please have on hand:

Value of the car you want to buy;

Amount available for entry (if applicable);

Number of installments you wish to pay;

Vehicle type (new or used);

Basic information such as age and CPF.

Simulation for different profiles: which one fits yours?

Not everyone has a formal employment contract, a high credit score or money saved for a down payment — and all of this influences when simulating car financing.

Therefore, understanding your profile helps you better adjust the term, the down payment amount and even choose the most flexible bank.

For those with a low score
It is possible to simulate, but the interest rates on financing are usually higher. The tip is to try to make a larger down payment or reduce the payment term to have better conditions. Avoid simulating without considering the total APR of the contract.

For self-employed or MEIs
The simulation works normally, but when closing the contract, it may be necessary to prove income with bank statements or income tax returns. Simulating with different input values helps to understand the impact on the final value.

For those who want financing without a down payment
Simulations without a down payment are possible, but the installment amounts and interest increase considerably. It is a good idea to simulate with and without a down payment to compare and see if it is worth waiting a little longer and saving an initial amount.

For those who already have a used car to trade in
Some platforms allow you to simulate financing with a vehicle as a down payment. This can reduce the amount financed and improve the conditions. It is worth including this detail in the simulation if you intend to use your current car in the negotiation.

For those who are buying their first car
Simulations help you understand the maximum amount you can finance without compromising your budget too much. Play around with the terms and down payment amounts to find a balance between low installments and fair interest rates.