Disclaimer: This site is an independent editorial resource providing general information and estimates about new-car buy vs. lease financial decisions. It is not financial, tax, or legal advice. Tax treatment of business vehicle expenses, EV credits, and loan-interest deductions under the One Big Beautiful Bill Act (OBBBA) varies by individual circumstance - consult a licensed tax professional before relying on any figures for a filing decision. Calculator outputs are estimates based on the inputs provided and current market conventions; actual dealer quotes, APRs, money factors, residuals, and residual buyout prices may vary. This site is not affiliated with any manufacturer, captive finance arm, bank, insurance company, or extended warranty provider. All trademarks are property of their respective owners. Tax rules, APR tiers, and lease terms change frequently. Data verified April 2026. Confirm specifics with your lender, dealer, or CPA.

Decision Axis: Ownership Horizon / April 2026

Buy or Lease by Ownership Horizon: The 3-Year vs 7-Year Rule

How long you intend to keep a vehicle is the second axis of the buy-vs-lease decision, and arguably the most important one. A lease is a financial product designed for a specific ownership window. Buy outside that window and the economics punish you.

UNDER 3 YEARS: LEASE WINS

A standard 36-month lease is designed precisely for the 3-year horizon. The lessee pays for the steepest part of the depreciation curve (years 1 to 3), then returns the car with no residual exposure. The buyer over the same 3-year period is borrowing $37,000 and has paid off roughly $19,000 by month 36 on a 60-month loan. The car is worth approximately $22,000. Net equity: $3,000 on a $40,000 vehicle. Net cost to buyer after 36 months: $25,920 in loan payments minus $3,000 equity = $22,920.

The lessee at $500 per month for 36 months: $18,000 total. The buyer: $22,920 net. Lease wins by approximately $4,920 at the 3-year mark. (This uses prime APR 6.89%, $3,000 down, typical money factor 0.00175, residual 55%.) Run your numbers in the calculator.

OVER 7 YEARS: BUY WINS

Once a 60-month loan is paid off at year 5, the buyer drives a free car. Years 6 and 7 have $0 monthly payment (aside from operating costs). A lessee cycling every 3 years has made 84 monthly payments by year 7 with no equity to show. The compound advantage of the post-loan-payoff period is the single largest argument for buying on a long horizon.

Concrete 7-year example: $40,000 car, prime APR, $3,000 down. Buyer: 60-month loan, paid off year 5, then 24 free months. Total loan payments: $43,920. Vehicle value at year 7: approximately $12,000 to $14,000. Net cost: ~$30,000. Lessee: two full 3-year cycles + first year of third. 84 months x $500/mo = $42,000 in payments + $2 x $895 acq + $1 x $395 disp = $45,185. Buy wins by approximately $15,000 over 7 years.

3 TO 7 YEARS: THE GREY ZONE

Between 3 and 7 years, the honest answer is: it depends on your APR, money factor, and mileage. Most mainstream scenarios put the break-even at year 4.5 to 5.5 at prime APR and typical captive money factors. Luxury brands with aggressive captive money factors (0.00100 to 0.00125) can push break-even to year 6 to 7 because the lease is so cheap that it takes longer for buying to overtake.

The break-even calculator with your specific numbers is the only honest answer in this zone. Plug in your credit tier, the car you are considering, and the lease deal you have in hand.

Is leasing a car a waste of money?

This is one of the most searched and most moralised questions in personal finance. The honest answer: leasing is not inherently wasteful. Both leasing and buying are paying for the use of a depreciating asset. The difference is in the mechanism: leasing rents the depreciation explicitly; buying finances ownership of the depreciation implicitly.

Leasing is wasted money in specific scenarios: a 20,000-miles-per-year driver who leases at 12,000 miles and pays a $6,000 overage fee at turn-in every 3 years is paying a premium for a bad fit. A driver who leases consecutively for 30 years without ever owning is paying $500 per month for 360 months with no asset at the end. That is a valid life choice, but it is not financially optimal if their horizon would support buying.

Leasing is not wasteful for a 3-year-horizon, 9,000-mile-per-year driver who values a new car every 3 years with full warranty coverage and low maintenance worry. That person is paying for exactly what they consume. The lease payment is not rent thrown away; it is payment for a consumption bundle (new car access, warranty, reliability) that they value.

What horizon are you actually on?

Self-assessment question: how long did you keep your last three cars? If the answer is 3 years, 3 years, and 3 years, you are a genuine short-horizon driver and lease structure fits you. If the answer is 6, 8, and 11 years, you are a long-horizon keeper and leasing will cost you significantly more over time.

The median US new-vehicle buyer keeps their car 8.1 years (S&P Global Mobility, 2024). Most people who lease believing they will “just do one lease and then decide” end up in a second and third lease cycle, each time finding the transition to a buy cognitively difficult because the payment step-up is real. If your honest self-assessment is ambiguous, run the 7-year scenario in the calculator - if buying wins by a wide margin at 7 years, that is the base case for someone who keeps cars a long time.

Horizon FAQ

Is 5 years a normal car ownership period? ⌄
The median US new-car ownership period is approximately 8.1 years according to S&P Global Mobility data. However, 5 years is a common planning horizon and roughly matches the typical 60-month loan term. At 5 years, a prime buyer who put 10 to 15 percent down on a $40,000 vehicle is likely to have $8,000 to $12,000 in equity. The break-even year at prime APR and typical money factors is around year 4.5 to 5.5, so 5-year owners are often right at the break-even edge.
What if I change my mind after 3 years of a buy? ⌄
If you sell or trade at year 3 on a 60-month loan, you will likely have minimal equity or may be slightly negative depending on your down payment and APR. A $40,000 vehicle at prime APR with $3,000 down after 36 months: remaining loan approximately $21,000, vehicle market value approximately $22,000, equity approximately $1,000. You can exit cleanly but you have essentially paid $23,000 over 3 years for a $1,000 equity position - similar to a lease but without the flexibility. The lesson: if you are not confident about holding past year 4, lease is structurally better.
Can I lease indefinitely instead of buying? ⌄
Yes, many people lease continuously for 15 to 30 years. The trade-off is permanent monthly payments and zero asset accumulation. Over a 20-year period, continuous leasing at $500 per month totals $120,000 in payments with no residual value. A buyer who pays off a 60-month loan at year 5 and drives for 5 more years before cycling has $18,000 to $22,000 in equity at year 10 and saved 5 years of payments. Indefinite leasing is a valid lifestyle choice for people who prioritise flexibility and new-car reliability over asset building.
What does perpetual rent mean for a car lease? ⌄
Calling a lease perpetual rent means that monthly lease payments never reduce a principal balance or build ownership interest. Every dollar paid is consumption of a depreciating asset. When the lease ends, the asset returns to the lessor. The buyer, by contrast, is also paying to use a depreciating asset, but a portion of each payment (net of interest) reduces the loan balance, and the residual value of the car at any point belongs to the buyer. Both paths involve paying for depreciation; only buying accumulates the residual as an asset.
How does depreciation affect the horizon math? ⌄
Depreciation is steepest in years 1 and 2 (about 20 and 15 percent of MSRP respectively), which means buyers lose the most value early. This is why the break-even year is typically year 4 to 6 rather than year 1: the buyer spends years 1 through 3 bearing high depreciation cost with little equity, while the lessee pays only for that exact depreciation. After year 4 to 5, the depreciation rate slows to 7 to 10 percent per year and the loan balance is low enough that the buyer builds real equity quickly.
Does the break-even year change significantly with APR? ⌄
Yes, significantly. At super-prime APR (5.25%), total interest on a $37,000 60-month loan is approximately $5,200. At subprime (13.18%), the same loan carries approximately $13,500 in total interest. Higher APR raises cumulative buy cost, pushing the break-even year later. A subprime buyer may not break even until year 6 to 8, while a super-prime buyer may break even at year 4 to 4.5. This is one reason leasing can be advisable for near-prime or subprime borrowers on shorter horizons.
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