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How Does Down Payment Size Affect Your Auto Loan?

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Kelly Boyer Sagert

Kelly Boyer Sagert

Updated August 27, 2021
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How Does Down Payment Size Affect Your Auto Loan?
Once you’ve found the right car for your needs, whether new or used, the next step is finding good financing—unless you can pay for the car and any other costs with cash, of course. Typically, the loan process includes making a down payment. Read on to learn more about what exactly a down payment is and how its size can make an impact on your car loan.

What is a Down Payment on a Car Loan?

In auto loan terminology, a down payment is cash that you put upfront towards a vehicle’s purchase price when you’re financing it. Basically, it’s similar in function to the down payment you might make on a home, with the goal being to lower the amount you have to finance.Although some lenders will finance a vehicle without a down payment (more about that later), there are benefits to putting one down for the potential borrower, too.

How Much of a Down Payment Should You Make on a Car?

The answer to that depends on a lot of factors. Those can include the following. 
  • How much you can comfortably put down
  • Whether you’re buying a new car or a used one
  • What programs the lender is offering
  • What your credit score is
Given that situations vary, a basic rule of thumb is to put down at least 20% on a new car purchase and 10% on a used one. As you’re finetuning your decision, it may help to consider the potential benefits of making a down payment.

Benefits of a Bigger Down Payment

How does increasing the size of your down payment impact your auto loan?Although not all lenders require a down payment, putting one down can result in several benefits for you, including the following.

Streamlines Loan Approvals

When deciding which loans to approve, lenders consider how much risk they’re taking with each particular approval. When a borrower doesn’t make a down payment, the lender is taking on more risk overall and will have more to lose if the borrower defaults on the loan. Even if the lender repossesses the vehicle and re-sells it to recoup the loss, it may not make up the full cost of the debt because, as soon as a car is driven off the dealer’s lot, it begins to lose value.With that context in mind, it makes sense that a down payment can help to reduce a lender’s risk. That, in turn, likely makes the lender more inclined to approve the loan. Plus, a dealer may offer special programs with a bigger down payment (but be sure that you’re clear about all of the details).

Lowers Monthly Payments

Next question: How does the down payment affect the loan amount? How does that benefit the borrower?Obviously, if you pay money upfront, your loan amount goes down. But it’s good to understand how much that can impact your monthly payments.Here’s how it works. Let’s say that you bought a $35,000 car and the lender is offering a 4% APR for five years (60 months). If you don’t make a down payment and didn’t trade in a vehicle, the monthly payment will be $645. But if you put down $5,000 (in any combination of cash and trade-in), the payment goes down to $552, which would save you $93 monthly. If you put down $10,000? The monthly payment is then $460, which would save you $185 per month. So, you can see that the amount put down can have a significant amount on the payment.

Reduces Interest Paid Back

Besides reducing the monthly payment, having a bigger down payment/lower loan amount means that you’ll pay back less interest over the life of the loan. To illustrate, here are dollar amounts for the three examples shared above:
  • No down payment: $35,000 loan amount / 4% / 60 months: $3,675 in interest
  • $5,000 down payment (14.29%): $30,000 loan amount / 4% / 60 months: $3,150 in interest
  • $10,000 down payment (28.57%): 25,000 loan amount / 4% / 60 months: $2,625 in interest
Plus, if you’re wondering whether  the down payment affects the interest rate on car loans, the answer is “yes,” it can, depending on what loan programs a particular lender offers. For many lenders, a lower loan-to-value ratio (the amount of the loan compared to the car’s value) can lower the interest rate they’ll offer.

Gets Ahead of Depreciation

Vehicles can lose 20% or more of their value annually so if you don’t make a significant enough down payment, you could end up owing more on your vehicle than its value as soon as you leave the dealership. When that happens, it can be challenging to trade or sell your car later on.

What If You’re Unable to Make a Down Payment?

Perhaps you’ve been convinced by the benefits of making a down payment but you just don’t have the money. Is there anything you can do instead to try to avoid problems like owing more on your loan than your car is worth? There are a few strategies. Possibilities include the following.
  • Buying gap insurance: If your vehicle gets totaled, this kind of insurance will help you fill in the gap between what you’re given by your insurance company and what you still owe the lender. 
  • Buying new car replacement coverage: In this case, if the vehicle gets totaled, you’d get a replacement vehicle. In some cases, this may already be part of your car insurance policy.
  • Choosing a less expensive vehicle: With a lower payment, you might be able to free up cash for a down payment.

How to Save for a Down Payment

If you can defer your purchase, you may also want to consider taking some time to save up for a down payment. Strategies you might consider include the following. 
  • Come up with a goal. Figure out how much money you’d like to put down on a car purchase. Then assess how much you think you can put toward it each month.
  • Start a budget. If you don’t have one already, this can be a useful tool to help you track and control the money going in and out.
  • Start a special down payment account. This can make it easier to keep the funds separate from your other money and see them growing.
  • Reduce spending. Get rid of unused memberships or redundant subscriptions, for example. And try to avoid large purchases, at least until after you have your down payment in hand.

Used Car Vs. New Car Down Payments

In general, new cars are more expensive than used ones (although a basic new automobile can be less expensive than a fully loaded luxury vehicle that’s used). That said, typically, it’s best to put down at least 20% on a new car purchase and 10% on a used one. That may be in the form of cash, a vehicle you trade in, or a combination. When making a decision between a new or a used vehicle, note that loans on used ones typically come with higher interest rates because their value may be harder for the dealer to estimate.Here’s a table to summarize the similarities and differences between down payments for used cars and new cars. 

The Takeaway

Ideally, putting down a nice-sized down payment can come with plenty of benefits, depending on your situation. So it can sometimes make sense to take advantage of them. That said, not everyone is in a position to do so and there are other options, including car loans that require no down payment.If you already have a loan and are looking for auto loan refinancing, Lantern by SoFi may be able to help. You can quickly and easily fill out one form and receive offers from multiple lenders from our network of lending partners. This can include lender information about loans that can be more challenging to get, like high-mileage auto loans.
Photo credit: iStock/solidcoloursThe tips provided on this website are of a general nature and do not take into account your specific objectives, financial situation, and needs. You should always consider their appropriateness given your own circumstances.SOLC0721124

Frequently Asked Questions

What is a down payment?
How big should your car loan down payment be?
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What if you can't pay a down payment?

About the Author

Kelly Boyer Sagert

Kelly Boyer Sagert

Kelly Boyer Sagert is an Emmy Award-nominated writer with decades of professional writing experience. As she was getting her writing career off the ground, she spent several years working at a savings and loan institution, working in the following departments: savings, loans, IRAs, and auditing. She has published thousands of pieces online and in print.
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