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    Don't Rush Into an 84-Month Car Loan

    Long loans can lower your monthly payment, but you'll end up paying more

    Illustration of a hand putting a coin into a car with a calendar behind it. Illustration: Consumer Reports, Getty Images

    The average new-car price has been hovering around $48,000 for a while. For many buyers, this means finding a car within their budget can be a challenge, especially with some models still selling for over sticker price and the average auto loan interest rate at nearly 7 percent.

    For these reasons, consumers are paying more than ever in recent history to purchase and finance a new car. It may be tempting to stretch your budget, but before you go out and sign a six- or seven-year commitment on a new car, Consumer Reports’ experts advise crunching some numbers.

    That’s because some cars depreciate at a faster pace than a loan can be paid down, especially over so many years. That means there could be a period when you owe more than your vehicle is worth, also known as being underwater or upside down. And today’s higher interest rates will only accelerate the process. And if the car is stolen, or if it is totaled in a crash, that could mean a financial disaster.

    More on Car Buying

    Chuck Bell, programs director for advocacy at Consumer Reports, recommends that consumers take a conservative approach to how much they spend on a vehicle.

    “In the past, the rule of thumb for car financing was the 20-4-10 rule: Make a 20 percent down payment, take a 48-month [four-year] loan, and spend no more than 10 percent of your budget on all vehicle expenses, including maintenance and insurance,” he says. According to Marketwatch, it’s not unusual for car ownership expenses to consume 20 percent of a household budget.

    Being upside down on an auto loan is fairly common. According to Edmunds, nearly a quarter of new car sales involved a trade-in with negative equity in the second quarter of 2024. While negative equity isn’t necessarily a problem while you own the car, it can put you at risk financially if you decide to trade it in or if it is damaged. For instance, if a vehicle is declared a total loss after a crash, you will still be liable for the loan balance your insurance doesn’t cover. That’s also the case if you want to sell your vehicle and buy something else: A vehicle often depreciates faster than you can pay down a loan over six or seven years.

    So why do people take out loans that last longer than many people keep cars? The simple answer is to make it possible to stretch your finances and buy more car. Buying a used model has long been a sound strategy to save money, but even the average used-car price is now close to $30,000, according to Cox Automotive.

    "That has made affordability a problem for a lot of people,” says Bell.

    However, now that the average age of cars on the road in the U.S. is more than 12 years, keeping one over a longer time period is more feasible than ever, says Alain Nana-Sinkam, head industry analyst at TrueCar, a firm that analyzes market trends and a CR partner. Total-loss accidents notwithstanding, keeping a vehicle paid for with a long-term auto loan for many years could, technically, work out for the consumer. But it’s seldom that simple.

    “We know there are layers to vehicle ownership, from people who flip leases on new vehicles to people struggling to afford the payment of a subprime ‘buy here, pay here’ loan on an 8- to 10-year-old vehicle,” he says, adding that most new vehicles that are sold—as opposed to leased—end up being traded in as used cars four or five years later.

    Bell says stagnant household incomes, rising vehicle prices, and higher interest rates on loans are the main reasons why automobile ownership is taking a bigger bite out of people’s monthly budgets. And as CR has said before, the cost of car ownership usually exceeds monthly payments on a loan.

    “Stretching out the payments doesn’t make the car itself more affordable if you take the longer view,” Bell says. “It’s sort of like the frog in the pot of lukewarm water that is gradually heating up. You don’t notice the change year over year, but if you step back and look at what is happening to consumer household budgets, you see many people really straining to keep up with the rising costs of vehicle ownership.”

    Sometimes, a long loan can stretch out, further increasing the risk of negative equity. For example, if you’re having trouble making loan payments, you may qualify for a payment deferral plan, says Bell. When they’re approved by the lender, deferral programs delay the onset of financial responsibility by several months if you’re experiencing employment instability. Keep in mind, though, that the vehicle continues to depreciate while you’re not making payments. Nana-Sinkam says that even though a payment deferral delays paying off a loan and can increase the total amount paid, three months isn’t likely to make a significant difference.

    Nana-Sinkam says low-interest, long-term loans will mainly appeal to two very different types of buyers: the “buy and hold” shopper who plans to drive the car until the wheels fall off and the “three-digit” shopper whose financial situation puts them at the mercy of the monthly payment amount.

    “There is some meaningful part of the American consumer body that consistently has to pass on financial strategies they know are ‘smarter’ in order to make ends meet,” he says. “Over 60 percent of the American public does not have enough money in the bank for a $500 emergency. That’s uncomfortable, but it’s true.”

    Bell says consumers should give themselves budgetary breathing room to free up money for longer-term investments.

    “I think consumers are better off when they take a hard look at the rising cost of new cars, and are more conservative in the percentage of income they want to devote to car payments and the total cost of car ownership,” he says. “Super-long loans are not a great idea, even if it seems a lot of people are doing it. Unless you can come up with a really large down payment, you will owe more than the car is worth for many years to come.”

    Not sure if you’re the “buy and hold” type? Nana-Sinkam offers sage advice on how to figure that out before you commit by asking the dealer to see a 3- or 4-year-old version of the model you intend to buy.

    “Sit in it and drive it and imagine that the new one you buy will be 3 or 4 years old at some point,” he says. “This is what it will drive like and look like and smell like. Will you still be excited about it and happy you bought it? If the answer isn’t ‘heck yeah,’ then recognize that you might get an itch in the middle of a six- or seven-year car loan that is going to be hard to scratch because of that negative equity.”

    The key to buying a car that will serve you for many years to come is to take your time, check the road tests and reliability information available at CR.org, and take your time with test drives. Buying a car is a big decision that can have far-reaching financial impact.

    CR's Build & Buy Car Buying Service

    In addition to research and reviews, Consumer Reports offers members access to the Build & Buy Car Buying Service at no additional cost. Through this service, members can compare in-stock vehicles, see what others paid for the car they want, and customize their payments online. Once they find the vehicle they’re interested in, members can get upfront price offers online from local certified dealers. On top of national incentives, Consumer Reports members are eligible for additional incentive offers from select manufacturers through the Build & Buy Car Buying Service. Plus, members can get an instant trade-in value for their current vehicle to use toward their next car purchase.


    Benjamin Preston

    Benjamin Preston covered new and used car buying, auto insurance, car maintenance and repair, and electric bikes for Consumer Reports.