Car Payment Calculator — 72 Months: What a 6-Year Loan Actually Costs You

72-month auto loans: why they're popular and what they cost

72-month auto loans have become significantly more common since 2020. Rising vehicle prices — the average new car price crossed $48,000 in 2026 — have pushed monthly payments on shorter loans out of reach for many buyers. A 72-month term is often the mechanism that makes an expensive car "affordable" on paper.

Here's the issue: "affordable monthly payment" and "good financial decision" are not the same thing. The six-year term keeps the payment down, but stretches interest across 24 more months than a 48-month loan and 12 more months than a 60-month loan. At 7% APR, that extra time costs real money. At 9-12% APR — common for borrowers with credit scores below 720 — the additional cost grows substantially.

Monthly payment table: $25,000–$50,000 at 72 months

How 72 months compares to shorter terms — the real cost

Let's use a $35,000 loan at 7% APR and compare all common loan terms:

Going from 60 to 72 months saves $161/month — but costs $1,724 more in interest. Going from 48 to 72 months saves $306/month — but costs $3,080 more in interest. These are genuine trade-offs, and there's no universally right answer. But anyone choosing 72 months purely for the lower payment should understand they're paying significantly more over the life of the loan.

The negative equity trap with 72-month loans

This is the risk most buyers on a 72-month loan don't think through until they're inside it. Cars depreciate. A new car loses about 20% of its value in the first year and 50-60% by year five. A $35,000 vehicle is worth roughly $28,000 after year one and $18,000 by year four.

Meanwhile, a 72-month loan pays down slowly in the early years because most of each payment goes to interest, not principal. After 12 months on a 72-month $35,000 loan at 7%, you've paid $6,384 but your balance is still approximately $30,400. Your car is worth $28,000. You're $2,400 underwater — "upside down" in the loan.

This matters the moment you want to sell, trade in, or your car gets totaled. If you're upside down, you owe the difference out of pocket. Gap insurance can help with total loss scenarios, but not with a voluntary trade-in decision. The best car loan term guide covers the full depreciation vs. paydown analysis.

When does a 72-month loan make sense?

Despite the extra cost, there are legitimate reasons to choose 72 months:

Cash flow genuinely requires it. If the difference between a 60-month and 72-month payment is what keeps your debt-to-income ratio at a manageable level, it's a practical trade-off. The extra interest is real but manageable if the alternative is being unable to qualify at all.

You plan to keep the car for 6-7 years. If you buy, pay off, and drive the car for years after payoff, the extra interest is a smaller percentage of your total ownership cost. The negative equity risk also resolves itself once you're deep enough into the loan.

You'll make extra principal payments. If you take a 72-month loan but plan to pay $100-$200/month extra toward principal, you can cut years off the loan while still having the safety net of the lower mandatory payment during difficult months. Use the auto loan calculator to model extra payment scenarios on any term length.

For current new and used car loan rate benchmarks, Bankrate's auto loan rate tracker is updated weekly and provides a reliable market reference across credit tiers and term lengths.