How a lease payment is built
Leasing confuses people because the payment has a different anatomy from a loan. You are not paying off the car — you are paying for the depreciation you use up, plus a finance charge for tying up the leasing company's money, plus tax. Once you see the two components separately, every lease quote becomes negotiable in the right places.
The lease formulas
The adjusted capitalized cost is the vehicle's negotiated price minus your down payment (and any trade-in credit). The residual is what the car is predicted to be worth at lease end, set by the leasing company as a percentage of the original price. The money factor is the lease's disguised interest rate: multiply it by 2400 to get the equivalent APR (0.00208 × 2400 ≈ 5.0%).
What you can actually negotiate
- The vehicle price (cap cost). Fully negotiable, exactly as if buying — every $1,000 off the price cuts roughly $28/month from a 36-month lease's depreciation.
- The money factor. Set by the lender based on credit, but dealers can mark it up. Ask for the buy-rate factor and convert it to APR to compare with loan offers.
- The down payment. Lowering it raises the payment but is usually safer: money put down on a lease is lost if the car is totaled early. Many advisers suggest $0 down on leases for this reason.
- Not negotiable: the residual percentage (set by the leasing company) and most fees.
Lease vs buy, honestly
Leasing usually wins on monthly payment and always driving a newer car; buying wins on total cost over any long horizon, because a bought car eventually has no payment at all. Compare this page's total lease cost against the Auto Loan Calculator for the same car before deciding.
Worked example
A $40,000 car is leased for 36 months with $3,000 down, a 55% residual ($22,000) and a money factor of 0.00208 (≈5% APR). Adjusted cap cost is $37,000. Depreciation fee = ($37,000 − $22,000) ÷ 36 = $416.67. Finance charge = ($37,000 + $22,000) × 0.00208 = $122.72. Monthly payment: $539.39 before tax.
How to use this calculator
- Enter the vehicle's price and any down payment you plan to make.
- Enter the residual percentage from the lease quote (ask the dealer — it must be disclosed).
- Enter the money factor (also ask; convert ×2400 to compare it with loan APRs).
- Enter the term in months and your local tax rate on lease payments, if any.
- Check the total lease cost, not just the monthly payment, before comparing offers.
The mileage trap
Lease payments assume an annual mileage allowance (often 10,000–12,000 miles). Overage charges of $0.15–$0.30 per mile turn a cheap lease expensive fast: 3,000 extra miles a year at $0.25 is $750 a year. If you drive a lot, negotiate a higher-mileage lease upfront — extra miles bought at signing cost a fraction of overage miles at return.