84-month car loans: Smart move or financial trap?

Car buying has never been more complicated — or more expensive. The average new car price has climbed to nearly $49,000, compared to just under $34,000 a decade ago, according to Kelley Blue Book. That kind of sticker shock leaves many buyers asking: “How can I possibly afford this?”

Dealers are quick to provide an answer: the 84-month car loan.

For years, the buyer will owe more than the vehicle is worth. If they try to sell or trade in the car, they’ll need to pay the bank just to get out of the loan.

It sounds simple at first, but it’s a trap. Spread across seven years, the monthly payments shrink to a number that feels manageable to most people. A $50,000 vehicle suddenly seems affordable when the cost is sliced into smaller installments, but is this really a smart solution, or does it carry consequences that can trap buyers in years of financial frustration?

No accident

The rise of 84-month loans is no accident. Dealerships benefit enormously from pushing buyers into longer financing terms. Smaller monthly payments make it easier for salespeople to convince customers to move up to pricier trims, tack on optional packages, or select luxury features that would otherwise be out of reach.

For the financing office, stretching out the term makes it easier to close deals with so-called payment shoppers — those who focus only on whether they can afford the monthly bill, not the total cost of the vehicle. In addition, a lower monthly car payment improves the buyer’s debt-to-income ratio, which helps more customers qualify for loans they might not have secured under traditional 36-month terms.

On the surface, this seems like a win-win arrangement. The buyer gets the car they want at a payment they can afford, while the dealer locks in a bigger sale. But what feels like an opportunity on day one quickly becomes a burden as the true cost of the loan takes shape. And in the end, you will pay a bigger price.

Costly trade-off

Why? The most obvious issue is interest you pay. When a car loan stretches across seven years, there are far more months for interest charges to accumulate. Only the finance company wins.

Consider a buyer who finances $40,000 at 7% interest with a traditional 60-month loan — they’ll pay roughly $7,500 in interest. With an 84-month loan, that interest expense number climbs to more than $10,700.

In other words, the buyer pays over $3,000 more for the privilege of lowering their monthly bill. For most households, that’s a costly trade-off.

And higher interest rates themselves don’t remain equal. Lenders know that a seven-year loan carries more risk than a five-year loan, so the rate is higher. Over that longer period, economic conditions could change, inflation could rise, or the borrower’s financial situation could deteriorate. To protect themselves, banks and credit unions often attach higher rates to longer loans. That means buyers aren’t just paying interest for more years — they’re paying higher interest rates, and the only one that makes out is the financial institution.

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Much depreciated

The financial pitfalls don’t stop there. Vehicles are depreciating assets. The moment a new car leaves the dealership, it loses about 20% of its value. Within the first year, that loss can climb to 30%.

With long-term loans, the first several years of payments go mostly toward interest, with very little progress made on the loan principal. The result is what’s known as negative equity, or being “upside down.” For years, the buyer will owe more than the vehicle is worth. If they try to sell or trade in the car, they’ll need to pay the bank just to get out of the loan. This forces you to keep the vehicle for a longer period of time or take the big financial penalty.

Warranty warning

This problem is compounded by warranties. Most new vehicles come with a bumper-to-bumper warranty that lasts three years or 36,000 miles, and a powertrain warranty that typically extends to five years or 60,000 miles.

Those timelines don’t come close to covering a seven-year loan. That means a buyer still making monthly payments could face a transmission or engine failure with no warranty protection. They would be paying for expensive repairs on top of paying down the car itself, a double hit that can wreck household budgets. And these extended warranty companies are not worth the money either, which would increase your monthly payment on top of the car payment.

With prices rising for both new and used vehicles, long loan terms are more than just a temptation — they are, for many families, the only way to fit a car payment into the monthly budget.

But while the appeal is easy to see, the long-term risks are just as clear. Stretching a loan to seven years often leaves buyers paying thousands more in interest, trapped in negative equity, and financially vulnerable if their circumstances change. In the event of job loss, medical bills, or an unexpected expense, they may be stuck with a car they can’t afford to keep but also can’t afford to sell.

Making it make sense

This doesn’t mean long-term loans are never justified. There are a few situations where they can make sense. Some automakers offer 0% financing for qualified buyers, which eliminates the concern over accruing interest. Others may find themselves on a fixed budget where the choice is either a longer loan or no car at all. And in cases where a buyer plans to keep a reliable, higher-quality vehicle for a decade or more, the extra interest paid over time may balance out in the long run. You have to be honest and consider the true costs.

Still, for the majority of consumers, financial experts consistently recommend avoiding 84-month loans. The smarter move is to aim for 48- or 60-month loan terms, which not only save on interest but also keep buyers closer to a car’s actual value throughout the life of the loan. Car shoppers should also consider more affordable vehicles, make larger down payments, or explore certified pre-owned options to keep their finances in check.

Cars may be getting more expensive, but debt traps don’t have to be part of the deal. Buyers who look beyond the monthly payment and focus instead on the total cost of ownership will be far better positioned to protect both their wallets and their peace of mind.

The finance manager at any dealer is going to try and close the sale. That’s their job. Yours is to understand just what you’re getting into when you sign a long-term loan.