Longer auto loan terms offer lower monthly payments, which are easier on your budget in the short run. The tradeoff: A longer-term loan ultimately costs a lot more in interest, and the higher the loan's interest rate, the more you'll end up paying.
Consider the following comparison of total purchase costs for a new vehicle, based on a 6.84% interest rate (the average for Q2 2024, according to Experian data), a $47,000 purchase price and a $9,400 down payment. The monthly payment on an 84-month loan is about two-thirds of the payment on a 48-month loan. However, you'll pay almost twice as much interest for the longer loan, costing you an additional $4,337.74 over the 84-month term.
To compare various auto loan offers, calculate the vehicle's total cost and the total interest. Here's how: Multiply the monthly payment by the total number of payments to get the total amount the loan will cost. Then subtract the amount you're borrowing from that amount to calculate the total interest cost you'll pay. (You can also use Experian's car payment calculator to determine these amounts.)
Finally, calculate the total cost of the vehicle purchase by adding your down payment amount to the total you'll pay on the loan.
Long-term car loans have other downsides, as well. For example, you could end up "upside down" on the loan, meaning you owe more on the vehicle than it's worth. If you're upside down and your car is totaled, your car insurance won't cover the full amount of your loan.
How to Choose the Right Auto Loan Term
Your auto loan term plays a big role in the loan's cost. Although longer loan terms reduce your monthly payments, the extra interest you pay generally outweighs the month-to-month savings. If you'd need to stretch your auto loan over more than 72 months to manage payments, you may want to rethink how much car you can afford.
To make a shorter loan term work for you:
- Choose a used vehicle. New vehicles lose significant value in the first year after purchase. Prices of vehicles just one or two years old could be much lower, which could help you swing a shorter loan term.
- Make a bigger down payment. Adding an extra 5% to 10% of the vehicle cost to your down payment means borrowing less, which could make shorter-term loan payments more manageable.
- Shop around for the best deal. Before heading to the showroom, get prequalified by several auto lenders for estimates of the loan amounts and terms you could qualify for. Getting preapproved by those with the best offers can give you more bargaining power at the dealership. While prequalification doesn't affect your credit score, preapproval requires more information and typically involves a hard inquiry on your credit report, which could cause a temporary dip (but may give you a better idea of how much you can afford). Restricting your preapproval applications to a 14-day window helps minimize damage to your credit score.
The Bottom Line
Along with loan terms, interest rates play a major role in the cost of an auto loan. If your loan prequalification offers have higher interest rates than you'd like, your credit score could be a factor. Borrowers with good credit are typically eligible for lower interest rates on auto loans. If you can wait six to 12 months to buy a car, taking steps to improve your credit score during that time could qualify you for lower interest rates and save you money.