A car loan is money a lender gives you upfront to buy a vehicle, which you repay in fixed monthly installments over a set period, usually three to seven years

When you take out a car loan, the lender pays the dealership or seller directly. You then owe that lender the full amount borrowed, plus interest. The interest rate depends on your credit score, the loan term you choose, the down payment you make, and the lender's own pricing. A lower credit score typically means a higher interest rate; a longer loan term spreads payments smaller but costs more in total interest; a larger down payment reduces what you borrow and thus the interest you pay.

The lender holds a security interest in the vehicle itself, meaning they can repossess it if you stop making payments. This is why car loans are called "secured" loans — the car serves as collateral. Once you pay off the loan in full, the lender releases that claim and you own the car outright.

Key Takeaways

  • The lender pays the seller, and you repay the lender monthly over three to seven years, with interest calculated based on your credit score and the loan terms you choose.
  • Your monthly payment covers principal (the amount borrowed) and interest, with early payments weighted more heavily toward interest.
  • The lender can repossess the car if you miss payments, because the vehicle secures the loan until it is fully paid off.
  • Your total interest cost depends on the interest rate, the loan term, and how much you put down — a larger down payment and shorter term both reduce total interest paid.
  • You can refinance a car loan with a different lender if your credit improves or interest rates drop, though you will still owe the same principal amount.

How monthly payments are calculated and what they cover

Your monthly payment is determined by three factors: the loan amount (principal), the interest rate, and the loan term in months. A lender uses a standard amortization formula to divide the total cost across all payments so each month's payment is the same amount.

Each payment you make covers two things: a portion of the principal you borrowed, and interest the lender charges for lending you that money. Early in the loan, most of your payment goes toward interest; as you pay down the principal, more of each payment goes toward the amount you actually borrowed. For example, on a $25,000 loan at 6% interest over 60 months, your payment might be roughly $483 per month. In month one, perhaps $125 goes to interest and $358 to principal. By month 60, nearly the entire payment goes to principal because so little remains to charge interest on.

You can calculate your own payment using an online auto loan calculator by entering the loan amount, interest rate, and term in months. The result shows your monthly payment and total interest you will pay over the life of the loan.

Why interest rates vary between borrowers and lenders

Interest rates on car loans are not the same for everyone. Lenders price the rate based on how risky they judge you to be. A person with a credit score of 750 and a stable income history poses less risk than someone with a score of 580 and recent missed payments, so the first borrower gets a lower rate.

Credit score is the single largest factor. Lenders pull your credit report and score from one or more of the three major bureaus — Equifax, Experian, and TransUnion — and use that score to set your rate. The score reflects your payment history, how much debt you carry relative to your limits, the age of your accounts, and the mix of credit types you use. A score above 740 typically qualifies for the best rates; scores below 620 face substantially higher rates or may be denied altogether.

Loan term also affects the rate. A 36-month loan usually carries a lower rate than a 72-month loan for the same borrower, because the lender's money is at risk for a shorter time. Down payment size matters too — putting down 20% or more often unlocks better rates than putting down 5%, because you are borrowing less relative to the car's value.

Different lenders price risk differently. Banks, credit unions, and captive finance companies (owned by the automaker) may offer different rates for the same borrower. Shopping with multiple lenders before you buy can save hundreds or thousands in interest.

The role of down payments and how they affect your loan

A down payment is money you contribute upfront toward the purchase price. If a car costs $30,000 and you put down $6,000, you borrow $24,000. The down payment reduces the amount you need to finance, which lowers your monthly payment and total interest cost.

Larger down payments also improve your loan terms. A 20% down payment is often considered the threshold where lenders offer their best rates and terms. Below 10%, you may face higher interest rates and be required to carry gap insurance (which covers the difference between what you owe and what the car is worth if it is totaled). Some lenders require a minimum down payment, often 10%, before they will approve you.

Down payments also protect you against being "underwater" on the loan — owing more than the car is worth. Cars depreciate quickly, especially in the first few years. If you finance 95% of the purchase price and the car loses 15% of its value in year one, you owe more than the car is worth. A substantial down payment creates a cushion against this risk.

What happens if you miss payments or default

Missing a car loan payment triggers a sequence of events. Most lenders allow a grace period of 10 to 15 days after the due date before reporting the miss to credit bureaus. During this window, you can catch up without damage to your credit report.

If you miss a payment by 30 days or more, the lender reports it to the credit bureaus, and it appears on your credit report for seven years. This significantly lowers your credit score. After 60 days missed, the lender may begin collection efforts — phone calls, letters, and attempts to work out a payment plan. After 90 to 120 days missed, many lenders move to repossession.

Repossession means the lender sends someone to take the car back. They can do this without warning and without a court order in most states, though a few states require notice. Once repossessed, the car is sold at auction, usually for less than you owe. You remain responsible for the difference — called a deficiency — plus the lender's costs for repossession and sale. This deficiency can be pursued as a debt and reported to credit bureaus.

If you foresee trouble making a payment, contact your lender when ready. Many offer forbearance (temporarily reduced or skipped payments), loan modification, or refinancing options. Acting early is far better than waiting for the lender to act.

Refinancing a car loan: when and how it works

Refinancing means replacing your current loan with a new one from a different lender. You do not buy a different car; you keep the same vehicle but change who you owe money to and potentially change your interest rate and monthly payment.

Refinancing makes sense when your credit score has improved since you took out the original loan, or when interest rates in the market have dropped. If you originally borrowed at 8% and rates have fallen to 5%, refinancing could lower your monthly payment or shorten your loan term without raising the payment. The new lender pays off the old loan in full, and you begin making payments to the new lender.

Refinancing has costs. The new lender may charge an process fee, appraisal fee, or title transfer fee — typically $50 to $300 total. You also lose any remaining benefits of the original loan, such as a warranty or roadside information package. Run the numbers: calculate how much you will save in interest over the remaining loan term and subtract the refinancing costs. If the savings exceed the costs and you plan to keep the car long enough to realize those savings, refinancing is worth considering.

You can refinance with a bank, credit union, or online lender. The process is similar to taking out the original loan — you provide income and employment information, the lender pulls your credit, and they make an offer. Refinancing typically takes one to two weeks from process to funding.

The difference between new car loans and used car loans

New car loans and used car loans follow the same basic mechanics, but lenders price them differently because used cars carry more risk. A new car has a manufacturer's warranty, a known service history, and predictable depreciation. A used car may have hidden mechanical problems, an unknown maintenance history, and less predictable value.

Because of this risk, used car loans typically carry higher interest rates than new car loans for the same borrower. A person with a 700 credit score might get 4.5% on a new car but 6.5% on a used car. Used car loans also tend to have shorter maximum terms — often 60 months instead of 72 or 84 months — which keeps the lender's exposure shorter.

Lenders also require larger down payments on used cars. A new car loan might accept 10% down, while a used car loan may require 15% or 20%. The older the used car, the larger the down payment typically required.

Some lenders specialize in used car loans and may have different approval standards than traditional banks. Credit unions often offer competitive rates on used cars, especially if you are a member. Shopping around is particularly important for used car loans because the rate variation is wider.

How loan terms affect your total cost and monthly payment

Loan term is the number of months you have to repay the loan. Common terms are 36, 48, 60, 72, and 84 months. Choosing a longer term lowers your monthly payment but increases your total interest cost. Choosing a shorter term raises your monthly payment but saves money on interest.

Consider a $25,000 loan at 6% interest. A 36-month term results in a monthly payment of roughly $738 and total interest of about $1,570. A 60-month term results in a monthly payment of roughly $483 and total interest of about $2,980. The longer term cuts your monthly payment by $255, but costs an extra $1,410 in interest.

The trade-off is between monthly affordability and total cost. A shorter term is better if you can afford the higher payment and want to minimize interest. A longer term is better if you need a lower monthly payment to fit your budget, though you should be aware you are paying significantly more overall. Many financial advisors suggest the shortest term you can comfortably afford, because the interest savings are substantial.

Loan term also affects how quickly you build equity in the car. In a 36-month loan, you own 50% of the car's value by month 18. In a 72-month loan, you may not reach 50% equity until month 36 or later, depending on depreciation. This matters if you want to trade in or sell the car before the loan is paid off.

Frequently Asked Questions

What is the difference between APR and interest rate on a car loan?

The interest rate is the percentage of the loan amount charged as interest each year. The APR (annual percentage rate) includes the interest rate plus other costs the lender charges, such as origination fees or documentation fees. The APR is always equal to or higher than the interest rate and is the number you should use to compare offers between lenders.

Can I pay off a car loan early without a penalty?

Most car loans allow early payoff without penalty. Paying extra toward principal each month or making a lump-sum payment reduces the total interest you pay. Check your loan documents or contact your lender to confirm there is no prepayment penalty, though this is rare in modern car loans.

What happens to my car loan if I declare bankruptcy?

In Chapter 7 bankruptcy, the car may be seized and sold to pay creditors, though you may be able to keep it if its value is below your state's exemption limit. In Chapter 13 bankruptcy, you keep the car but the loan is included in a repayment plan. Bankruptcy severely damages your credit and should only be considered as a last resort with guidance from a bankruptcy attorney.

Can I get a car loan with bad credit?

Yes, but at a higher interest rate and often with a larger down payment required. Subprime lenders specialize in loans for people with credit scores below 620. Interest rates for subprime borrowers can exceed 15% to 20%. Building credit before buying, or saving for a larger down payment, can reduce the cost of borrowing.

What is gap insurance and do I need it?

Gap insurance covers the difference between what you owe on the loan and what the car is worth if it is totaled in an accident. If you owe $20,000 and the car is worth $16,000 when totaled, gap insurance pays the $4,000 difference. It is most useful if you put down less than 20% or finance for longer than 60 months, when you are more likely to be underwater on the loan.