A car loan is money a lender gives you to buy a vehicle, which you repay in monthly installments over a set period
When you take out a car loan, a bank, credit union, or dealership lends you a lump sum to purchase a car. You then repay that amount plus interest in fixed monthly payments, usually over three to seven years. The lender holds a legal claim on the vehicle — called a lien — until you finish paying. If you stop making payments, the lender can repossess the car.
The total amount you repay will be more than the purchase price because of interest. How much more depends on three things: the loan amount, the interest rate you receive, and how many months you take to repay it. A lower interest rate or a shorter repayment period means you pay less interest overall.
Key Takeaways
- A car loan is borrowed money you repay monthly, and the lender owns the car legally until you pay it off completely.
- Your monthly payment, interest rate, and total loan cost depend on how much you borrow, your credit history, and the loan term you choose.
- The interest rate varies by lender and your creditworthiness — a better credit score typically means a lower rate.
- You can get a car loan from a bank, credit union, or directly through a dealership, and shopping around usually saves you money.
How the monthly payment gets calculated
Your monthly payment is determined by three factors: the amount you borrow (called the principal), the interest rate, and the loan term in months. A lender uses a standard formula to divide the total cost — principal plus interest — into equal monthly chunks.
For example, if you borrow $25,000 at 6% interest over 60 months, your monthly payment will be roughly $483. If you borrow the same amount at 4% interest over the same 60 months, your payment drops to about $460. The difference between a 4% and 6% rate on a $25,000 loan over five years is about $1,380 in total interest paid.
You can use an online car loan calculator to see how different loan amounts, rates, and terms affect your monthly payment. This helps you decide what you can actually afford before you walk into a dealership or contact a lender.
Where your interest rate comes from
The interest rate a lender offers you depends primarily on your credit score and credit history. Lenders use your credit score to estimate the risk that you will not repay the loan. A higher credit score signals lower risk, so you receive a lower rate. A lower credit score means higher risk, so the rate is higher.
Interest rates also vary by lender type. Banks typically offer competitive rates to borrowers with good credit. Credit unions often have lower rates for their members, even those with fair credit. Dealerships sometimes offer promotional rates, but they may be available only for certain vehicles or loan terms, and the rate is often higher than what a bank or credit union would offer.
The broader economic environment also affects rates — when the Federal Reserve raises its benchmark rate, lender rates typically rise too. This means the same loan might cost more in interest one month than it did the month before, depending on what is happening in the wider economy.
The difference between a new car loan and a used car loan
Lenders treat new and used car loans differently because used cars lose value faster and are harder to resell if repossession becomes necessary. This means used car loans typically carry a higher interest rate than new car loans, sometimes by one to three percentage points.
Used car loans also tend to have shorter maximum terms. A new car loan might be available for up to 84 months, while a used car loan might max out at 60 or 72 months. A shorter term means a higher monthly payment, even if the loan amount is smaller.
The age and mileage of the used vehicle affect the rate and term you receive. A five-year-old car with 60,000 miles will get better terms than a ten-year-old car with 150,000 miles. Some lenders will not finance vehicles older than a certain age or with mileage above a certain threshold.
What happens if you pay off the loan early
Most car loans allow you to repay the entire balance before the loan term ends without penalty. If you receive a bonus, inheritance, or other lump sum, you can put it toward the loan and reduce the total interest you pay.
Paying off early saves you money on interest, but it does not reduce your monthly payment unless you refinance. If you want a lower monthly payment, you would need to refinance the remaining balance into a new loan with a longer term — though this usually means paying more interest overall.
Before you pay off a loan early, check your loan documents or contact your lender to confirm there is no prepayment penalty. Most lenders do not charge one, but some do, particularly for used car loans or loans from certain dealerships.
How to compare loan offers from different lenders
The interest rate is not the only number that matters when comparing loans. You also need to look at the loan term, any fees, and the total amount you will pay over the life of the loan.
When you get a quote from a lender, ask for the Annual Percentage Rate (APR), not just the interest rate. The APR includes the interest rate plus any fees the lender charges, so it gives you a more complete picture of the true cost. Compare the APR across lenders, not the interest rate alone.
Also ask about fees: some lenders charge an origination fee, documentation fee, or prepayment penalty. A lender with a slightly lower rate but a $500 origination fee might cost you more than a lender with a slightly higher rate and no fees. Request a written loan estimate from each lender so you can compare the total cost side by side.
What you need before you explore for a car loan
Lenders will ask for proof of income, such as recent pay stubs or tax returns, to confirm you can make the monthly payments. They will also pull your credit report to see your credit score and payment history. You will need to provide your Social Security number, driver's license, and proof of residence.
If you are buying a specific car, you will need the vehicle identification number (VIN) and details about the car — the year, make, model, mileage, and price. If you are getting preapproved for a loan amount before you choose a car, you can skip the vehicle details for now.
Have a down payment ready if possible. A larger down payment means you borrow less, which lowers your monthly payment and total interest cost. Many lenders prefer a down payment of at least 10 to 20% of the vehicle price, though some will finance with less or none.
Frequently Asked Questions
What is the difference between getting a loan from a bank versus a dealership?
Banks and credit unions typically offer lower rates because they are not also selling you the car. Dealerships often have higher rates but may offer convenience — you handle financing and purchase in one place. Dealership rates are sometimes higher because the dealership earns a commission on the loan. Always get a preapproval from a bank or credit union before visiting a dealership so you know what rate you may have access to for.
Can I get a car loan with bad credit?
Yes, but the interest rate will be significantly higher — sometimes 10% or more, compared to 4 to 6% for borrowers with good credit. Some credit unions and specialty lenders focus on borrowers with lower credit scores. A larger down payment or a co-signer with better credit can help you receive a lower rate.
What happens to my car if I miss a payment?
Missing one payment typically triggers a late fee and a note on your credit report. After 120 days (usually three missed payments), the lender can begin repossession proceedings. Once the lender repossesses the car, they sell it and explore the proceeds to your remaining loan balance. You are responsible for any shortfall, and the repossession damages your credit score for years.
Is it better to finance through the dealership or get my own loan?
Getting your own loan from a bank or credit union usually results in a lower interest rate, giving you more negotiating power at the dealership. You arrive with a check in hand and can negotiate the car price separately from financing. Dealership financing is convenient but typically costs more in interest over the life of the loan.
Can I refinance my car loan to a lower rate?
Yes, if your credit score has improved or interest rates have dropped since you took out the original loan. Refinancing means taking out a new loan to pay off the old one. You will pay new fees and possibly a prepayment penalty on the original loan, so calculate whether the savings in interest outweigh those costs before refinancing.