What a car loan is and how it differs from other debt
A car loan is money a bank or credit union lends you to buy a vehicle, which you repay in monthly installments over a set period—usually 36 to 72 months. The car itself serves as collateral, meaning the lender can repossess it if you stop paying. This is different from a personal loan, where there is no collateral, and different from a credit card, where you can carry a balance indefinitely at a higher interest rate.
The lender charges you interest—a percentage of the loan amount—as the cost of borrowing. The interest rate you receive depends on your credit score, the size of your down payment, the age and type of vehicle, and the length of the loan. A newer car with a larger down payment and a shorter loan term will typically get you a lower rate. A used car, a smaller down payment, or a longer loan term will raise the rate.
The monthly payment you make covers both principal (the original amount borrowed) and interest. Early in the loan, most of your payment goes toward interest. By the end, most goes toward principal. You also pay sales tax, registration fees, and sometimes dealer fees, which can be rolled into the loan or paid upfront.
Key Takeaways
- Lenders look at your credit score, income, debt-to-income ratio, and down payment size to decide whether to lend and at what rate.
- A down payment of 10 to 20 percent reduces the amount you borrow and lowers your interest rate, but is not required by most lenders.
- You can get a loan from a bank, credit union, or online lender before you shop for a car, which gives you negotiating power at the dealership.
- The interest rate you are offered varies by lender, so comparing offers from at least three sources can save you hundreds of dollars over the life of the loan.
- Your monthly payment, the total interest you pay, and the loan term are all connected—a longer term lowers the monthly payment but raises the total interest.
What lenders examine before they say yes
Lenders use a standard set of criteria to decide whether to lend you money and at what rate. Your credit score—a three-digit number based on your payment history, amounts owed, length of credit history, and mix of credit types—is the single largest factor. Scores range from 300 to 850. Most lenders require a score of at least 620 to approve a loan, though rates are significantly better above 700. If your score is below 620, you may still find lenders, but the interest rate will be much higher.
Your debt-to-income ratio is the second major check. This is the percentage of your gross monthly income that goes toward debt payments—car loans, student loans, credit cards, mortgages, and other recurring obligations. Most lenders want this ratio below 43 percent. If you earn $4,000 a month and already owe $1,500 in monthly debt payments, your ratio is 37.5 percent. A new car payment of $400 would push you to 47.5 percent, which many lenders will reject. Some will approve you anyway, but at a higher rate.
Lenders also verify your income through recent pay stubs, tax returns, or bank statements. They want to confirm you actually earn what you claim. Self-employed borrowers often need two years of tax returns. The lender may also check your employment history—frequent job changes can raise red flags, though a recent job change to a stable position is usually fine.
Your down payment matters because it reduces the lender's risk. If you put down 20 percent of the car's price, the lender is only financing 80 percent. If you default and the car is repossessed and sold at auction, the lender is more likely to recover their money. A down payment of 10 to 20 percent is common, but some lenders will finance 100 percent of the purchase price if your credit is strong enough.
Where to get a car loan and how to compare offers
You have three main sources: banks, credit unions, and online lenders. Banks are the largest and most familiar—most people have a checking account at one. Credit unions are member-owned cooperatives that often offer lower rates than banks, but you must be a member to borrow. Online lenders operate entirely through websites and apps and often approve borrowers with lower credit scores, though at higher rates.
The advantage of shopping before you buy the car is that you arrive at the dealership with a pre-approval letter showing you have already been approved for a specific loan amount at a specific rate. This gives you negotiating power. You can tell the dealer, "I have financing lined up at 5.2 percent for $25,000," and the dealer cannot pressure you into their own financing offer unless it is better. Many dealers offer financing too, but their rates are often higher than what you can get on your own.
To compare offers, contact at least three lenders and ask for the same information from each: the interest rate, the loan term (36, 48, 60, or 72 months), the monthly payment, and the total amount of interest you will pay over the life of the loan. The interest rate alone is not enough—a 5 percent loan over 72 months costs more in total interest than a 5.5 percent loan over 48 months. Ask each lender for a Loan Estimate or Truth in Lending disclosure, which shows all fees and the total cost.
The process itself is usually free and does not commit you to anything. Most lenders will do a hard inquiry on your credit, which temporarily lowers your score by a few points. Multiple hard inquiries within 14 days usually count as a single inquiry for credit-scoring purposes, so shopping around in a short window does not damage your score as much as it appears.
Down payments, loan terms, and how they affect your monthly payment
A larger down payment reduces the amount you borrow, which lowers both your monthly payment and the total interest you pay. If a car costs $30,000 and you put down $6,000 (20 percent), you borrow $24,000. If you put down $3,000 (10 percent), you borrow $27,000. At the same interest rate and loan term, the second loan costs more per month and more in total interest.
The loan term—how many months you have to repay—works the opposite way. A 36-month loan has a higher monthly payment but lower total interest. A 72-month loan has a lower monthly payment but higher total interest. For example, a $25,000 loan at 5 percent interest costs about $460 per month over 60 months and $1,250 in total interest. The same loan over 72 months costs about $390 per month but $3,100 in total interest. The longer term saves you $70 per month but costs you $1,850 more overall.
Most people choose a term between 48 and 60 months as a middle ground. Shorter terms (36 months) are best if you can afford the payment and want to minimize interest. Longer terms (72 months) are common for used cars or when you need the lowest possible monthly payment, but they mean you are paying interest on a depreciating asset for a longer period.
How interest rates are set and what affects yours
Interest rates on car loans are set by each lender based on the prime rate—the baseline rate that the Federal Reserve influences. When the Fed raises rates, lenders raise theirs. When the Fed cuts rates, lenders eventually cut theirs. But lenders also add a markup based on your individual risk. A borrower with a 750 credit score might get the prime rate plus 1 percent. A borrower with a 620 score might get the prime rate plus 6 percent.
The type of vehicle also matters. New cars typically get lower rates than used cars because they are less likely to break down and become worthless before the loan is paid off. A 2024 model gets a better rate than a 2018 model. Luxury vehicles and sports cars sometimes get higher rates because they are more expensive to repair and insure.
The loan term affects the rate too. A 36-month loan usually has a lower rate than a 72-month loan for the same borrower, because the lender's risk is lower over a shorter period. Some lenders also offer a small rate discount if you set up automatic payments from a bank account, typically 0.25 to 0.5 percent off.
What happens after you are approved and sign the paperwork
Once you have chosen a lender and a car, you will sign a promissory note (the legal promise to repay) and a security agreement (which gives the lender the right to repossess the car if you default). The lender will also require proof of insurance before they release the money. You cannot legally drive a car without insurance, and the lender will not fund the loan without proof that the car is insured.
The lender then pays the dealer directly, and you drive away with the car. The title—the legal document proving ownership—will be held by the lender until the loan is paid off. Once you make your final payment, the lender releases the title to you. Some states allow you to hold the title while the lender has a lien on it, meaning the lender's claim is recorded but you have the document.
Your first payment is usually due 30 days after the loan closes. Some lenders offer a grace period of 45 or 60 days, which gives you extra time before the first payment is due. Your monthly payment is the same amount every month unless you have a variable-rate loan, which is rare for car loans.
What to do if your credit score is low or you have been denied
If your credit score is below 620, traditional banks will likely decline you. Credit unions and online lenders that specialize in subprime lending (loans to borrowers with lower scores) will still work with you, but the interest rate will be significantly higher—sometimes 10 to 18 percent or more. This is expensive, but it is a real option if you need a car.
Before you explore, check your credit report for errors. You can get a free report from each of the three major bureaus—Equifax, Experian, and TransUnion—once per year at annualcreditreport.com. If you find errors, dispute them with the bureau. Correcting a mistake can raise your score by 50 to 100 points.
If you have been denied, ask the lender why. They are required to tell you the reason. If it is your debt-to-income ratio, paying down existing debt before you explore will help. If it is your credit score, waiting a few months while you make on-time payments will raise it. If it is insufficient income, a co-signer with better credit and higher income can help you get approved, though they become legally responsible for the loan if you default.
Frequently Asked Questions
Can I get a car loan with no credit history?
Yes, but it is harder. Lenders have no record of whether you pay your bills on time. A credit union may work with you if you are a member, or you can explore with a co-signer who has established credit. Some online lenders also approve borrowers with no credit history, though at a higher rate. Building credit takes time—opening a credit card and making small purchases you pay off in full each month will establish a history.
What is the difference between a fixed-rate and variable-rate car loan?
A fixed-rate loan has the same interest rate for the entire loan term, so your monthly payment never changes. A variable-rate loan has an interest rate that can change based on market conditions, which means your payment could go up or down. Most car loans are fixed-rate. Variable-rate car loans are rare and usually only offered to borrowers with excellent credit.
Should I pay off my car loan early?
Paying early saves you interest, but check your loan documents first. Some loans have a prepayment penalty, which charges you a fee if you pay off the loan before the term ends. Most modern car loans do not have this penalty. If there is no penalty, paying extra toward principal each month or making a lump-sum payment when you have the money will reduce the total interest you pay.
What if I want to trade in my old car toward the new one?
The dealer will appraise your old car and subtract its value from the price of the new one. If your old car is worth $8,000 and the new one costs $30,000, you owe $22,000. You can finance that $22,000 through a lender. If you still owe money on the old car, the dealer will pay off that loan from the trade-in value, and you will only finance the difference.
Can I refinance my car loan to a lower rate later?
Yes. If your credit score improves or interest rates drop, you can refinance with a different lender. The new lender pays off the old loan, and you start a new one at a lower rate. This saves you money on interest, though you will pay new closing costs. Refinancing makes sense if the new rate is at least 1 to 2 percent lower than your current rate and you have at least two years left on the loan.