Making Money
The Real Cost of a Car Lease, Run as an Investment Decision
📅 Last Updated: August 2026
⏱ 5 min read
✦ Get Rich Slow
By Michael Azzolina · CPA · MBA
Quick Answer
Run as a straight opportunity-cost comparison, a car lease is usually the most expensive way to get from A to B. A lease on a newer or nicer car in the first years out of school can run $700 to $900 a month, or $8,400 to $10,800 a year, for a car you never own and hand back at the end of the term. The real comparison isn't lease vs. nothing, it's lease vs. a cheaper, reliable car plus investing the difference.
A car lease is marketed as the smart, low-commitment option: lower monthly payments, always driving something new, no big repair bills to worry about. Run as a straight opportunity-cost comparison, it's usually the most expensive way to get from A to B available to you.
The payment isn't the real number
A lease on a newer or nicer car in the first years out of school can run $700 to $900 a month. Multiplied out, that's $8,400 to $10,800 a year, for a car you never own and hand back at the end of the term.
$700–$900/month invested instead, at 7% for 20 years
$700/month invested for 20 years~$365,000
$900/month invested for 20 years~$469,000
Assumes consistent monthly contributions and a 7% average annual return, compounded monthly, with no additional contributions beyond the stated amount. Illustrative and ignores taxes; actual results will vary with the market and with what you actually do with the money instead.
How the payment is actually calculated
A lease payment isn't random. It comes from 3 numbers: the capitalized cost (the negotiated price of the car), the residual value (what the leasing company says the car will be worth at the end of the term), and the money factor (the lease's version of an interest rate).
The payment itself is 2 pieces added together, a depreciation fee and a finance fee.
The 2 pieces of a lease payment
Depreciation fee(Cap cost - Residual) ÷ Term
Finance fee(Cap cost + Residual) × Money factor
Add the 2 together for the base monthly payment before tax. This is the same math every dealer runs, whether or not they walk you through it.
Here's what that looks like with real numbers. A $38,000 car, a 36-month lease, a residual value set at 55% of that price ($20,900), and a money factor of .00125, the equivalent of roughly a 3% interest rate:
Example: $38,000 car, 36-month lease, 55% residual, .00125 money factor
Depreciation fee($38,000 - $20,900) ÷ 36 = $475/mo
Finance fee($38,000 + $20,900) × .00125 = $74/mo
Base monthly payment~$549/mo, before tax
Sales tax, acquisition fee, and any dealer add-ons are on top of this. Illustrative example; actual cap cost, residual value, and money factor vary by vehicle, lender, and credit profile.
2 numbers do most of the work, and both are worth understanding before you sign. A higher residual value lowers the payment, because you're only paying for the depreciation the leasing company expects, which is part of why brands with strong resale value can advertise low lease payments on expensive cars. The money factor is the number dealers count on you not converting: multiply it by 2,400 and you get the approximate APR. A money factor of .00125 is about 3%. A money factor of .00250 is about 6%, on a car that might otherwise qualify for a lower loan rate.
Multiply the money factor by 2,400 to see the real interest rate. A number like .00125 sounds small and technical. 3% doesn't.
What you're actually comparing
It isn't "lease vs. nothing." It's lease vs. a cheaper, reliable car, new or used, plus investing the difference. This site's own take on car ownership is to keep a paid-off car running as long as reasonably possible, see I Kept the Same Car Payment for 15 Years, which is close to the opposite instinct of a lease, a structure that resets the payment every 2 to 3 years by design.
A lease is structured so you never stop paying. A paid-off car is structured so you eventually do. That difference compounds for decades if you let it.
When a lease actually makes sense
This isn't a blanket "never lease" rule. A lease can make sense for a business that writes off mileage and vehicle expenses, or for someone who consciously values the predictability enough to pay for it. The point isn't that leasing is always wrong. It's that the true cost is rarely run as an actual investment comparison, and once it is, most leases don't hold up to it.
The takeaway
The monthly payment on a lease is the smallest part of the real cost. Compared honestly against investing the same money, a lease on a nicer car in your 20s can be a six-figure decision, not a lifestyle choice, hiding behind a small number on a sticker.
Frequently Asked Questions
How much does a car lease actually cost per year?
A lease on a newer or nicer car in the first years out of school can run $700 to $900 a month. Multiplied out, that's $8,400 to $10,800 a year, for a car you never own and hand back at the end of the term.
What 3 numbers determine a car lease payment?
A lease payment comes from the capitalized cost (the negotiated price of the car), the residual value (what the leasing company says the car will be worth at the end of the term), and the money factor (the lease's version of an interest rate). Multiply the money factor by 2,400 to see the real interest rate: a number like .00125 sounds small and technical, but that's the equivalent of roughly 3%.
Is a car lease ever the right financial decision?
It can be, for a business that writes off mileage and vehicle expenses, or for someone who consciously values the predictability enough to pay for it. It isn't a blanket never-lease rule. The point is that leasing's true cost is rarely run as an actual investment comparison against buying a cheaper, reliable car and investing the difference.