Financing is often sold as convenience. An installment that fits the budget, fast approval, the promise of an immediate upgrade. The problem is when the math ends at the monthly amount.
For those just starting out, separating myth from truth helps reveal the total cost (TCO): how much the car will consume from the budget from the beginning to the end of the contract — not just in the first month.
Myth 1: the lowest installment is always the best deal
A low installment eases cash flow now, but it usually hides a long term and accumulated interest. The more months, the greater the amount of interest paid, even with “light” installments.
In practice: - Two offers with similar installments can have very different total costs. - Long terms increase the chance of paying interest on interest. - An extended contract may overlap periods of higher maintenance and faster depreciation.
Looking only at the installment is deciding for the short term. TCO calls for a view of the entire contract.
Truth 1: APR is the number that allows comparison
APR (Annual Percentage Rate) brings together interest, fees, embedded insurance, and charges. It is the most honest indicator for comparing different offers.
Why it matters: - It standardizes offers with different structures. - It avoids comparing an isolated “interest rate,” which does not always include everything. - It shows the real impact on the final amount paid.
Practical tip: compare APRs with the same term. A lower APR over a longer term can cost more in total.
Myth 2: a high down payment is money wasted
A down payment does not disappear. It reduces the financed amount and, therefore, the interest over time. In general, the higher the down payment, the lower the total cost.
What changes with a good down payment: - Less interest paid over the contract. - Smaller installments or a shorter term. - Lower risk of owing more than the car is worth at resale.
This does not mean tying up all your cash. The balance is to preserve a reserve while still reducing the financing.
Truth 2: a long term weighs on TCO even with a lower rate
Offers with extended terms sometimes come with a slightly lower rate. Even so, time works against your wallet.
Common example: - Short term: higher installment, fewer months paying interest. - Long term: lower installment, more months accumulating charges.
In TCO terms, the latter usually costs more. Term length is an economic decision, not just a matter of monthly comfort.
Myth 3: comparing banks and dealerships yields the same result
It doesn’t. Fee structures, embedded insurance, and renegotiation policies vary widely.
When comparing, observe: - Final APR, not just the advertised rate. - Total amount financed after the down payment. - Extra costs included in the installment.
Sometimes the difference seems small per month. In total, it becomes thousands over the life of the contract.
Truth 3: financing enters the TCO along with maintenance and taxes
Financing does not live alone. It coexists with taxes, insurance, maintenance, and depreciation.
For beginners, a common mistake is committing the budget only to the installment and then “discovering” the other costs later. TCO brings everything together: - Installments + interest. - Recurring vehicle expenses. - Loss of value at resale.
A comfortable financing plan needs to leave room for the rest of the vehicle’s life.
Quick checklist to compare offers without stumbling
Before deciding, run through this filter: - APR compared over the same term? - Total amount paid by the end of the contract? - Down payment reducing interest or just “masking” the installment? - Term compatible with your use and the expected depreciation?
Financing is neither villain nor savior. It’s a tool. When the focus shifts from the installment to the total cost, the myth falls — and the decision becomes more economical.

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