Deciding whether to buy or lease business equipment is rarely a pure cost comparison — it's a tradeoff between cash flow flexibility, tax treatment, obsolescence risk, and long-term asset value. A simple per-month payment comparison can be misleading because the two approaches have fundamentally different tax and accounting consequences that show up only when you model the full lifecycle cost. The sections below cover when buying typically wins (long useful life, stable technology, available capital), when leasing typically wins (rapid obsolescence, preserved cash flow, short usage horizon), the tax rules that can dramatically tilt the math in one direction, and the break-even analysis framework that turns the decision into an objective financial comparison rather than a gut feel.
When Buying Makes Sense
Buying can suit long-term use and equipment that retains value. Compare the purchase, financing, maintenance and resale cash flows with the lease payments and buyout. The result depends on the tax and discount assumptions.
In 2026, Section 179 has a $2,560,000 deduction limit and a phase-out starting at $4,090,000 of qualifying property. It is limited by business income. This comparison assumes sufficient income and a single eligible purchase; it does not model aggregate phase-out or bonus depreciation. Loan interest and depreciation reduce the modeled taxable income.
When Leasing Makes Sense
Leasing typically wins when you need equipment for a shorter period than its full useful life, want to preserve cash flow for higher-ROI investments, need to upgrade frequently due to technological change, or when the equipment depreciates rapidly after first-year use. Industries with fast-moving technology — computers, servers, medical imaging, printers, some manufacturing automation — often favor leasing because the useful economic life (3–4 years before the equipment becomes obsolete) is shorter than the accounting useful life (5–7 years for depreciation), and leasing transfers the obsolescence risk to the lessor.
Leasing also simplifies tax treatment significantly: lease payments are fully deductible as ordinary business expenses month-by-month, with no depreciation schedules, Section 179 elections, or recapture rules on disposition. For smaller businesses without complex accounting resources, this simplicity has real value. Leasing preserves working capital for revenue-generating investments rather than tying up $100K+ in a single equipment purchase, which is especially valuable for growing businesses where each dollar of working capital supports multiple dollars of future revenue. Operating leases also stay off the balance sheet under older accounting standards (though ASC 842 has largely eliminated this benefit for leases over 12 months), which can matter for companies managing debt covenant ratios.
Tax Rules That Tilt the Math
In 2026, Section 179 has a $2,560,000 deduction limit and a phase-out starting at $4,090,000 of qualifying property. It is limited by business income. This comparison assumes sufficient income and a single eligible purchase; it does not model aggregate phase-out or bonus depreciation. Loan interest and depreciation reduce the modeled taxable income.
Break-Even Analysis and Decision Framework
The break-even lease payment is the single most actionable number from this comparison: it's the monthly lease amount at which buying and leasing are exactly equivalent on an NPV basis, given your specific tax situation and discount rate. If the actual lease quote you receive is below the break-even figure, leasing offers better NPV. Above it, buying is superior. This gives you an objective negotiating benchmark — if a leasing company quotes $3,500/month and your break-even is $2,900/month, you know you need a $600/month price concession to make leasing competitive with buying.
The discount rate you use for the NPV comparison represents your cost of capital or required rate of return, and it matters enormously. A higher discount rate reduces the present value of future cash flows more aggressively, which generally favors buying when upfront costs include immediate Section 179 deductions (the tax savings come early, so they're less affected by discounting). A lower discount rate favors leasing because the spread-out deductions are less penalized. Use your actual weighted average cost of capital (WACC) or the cost of the specific financing option being considered — typically 6–12% for small-to-mid-sized businesses. Document the assumptions in your analysis so the board or CFO can validate the discount rate rather than treating it as arbitrary.