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negotiate.autos > lease calculator

manual mode, nothing is saved · prefilled with an example deal

1. the request

2. a dealer's quote

3. analysis · of the example above. change any number and calculate.

adjusted cap cost$51,145.00
depreciation / mo$534.58
rent charge / mo$182.70
computed payment (their numbers)$764.80
money factor as APR5.28%
residual % of MSRP58.00%
discount off MSRP6.36%
total cost over term$28,290.00
effective monthly (total / term)$785.83
  • Monthly payment matches the stated cap cost, residual and money factor.
  • Money factor equals 5.28% APR. Confirm it is the manufacturer buy rate.
  • Selling price is 6.4% below MSRP.

the math · S selling price · A acquisition fee · I incentives · D down payment · R residual · n term · MF money factor · t tax rate per payment · DAS due at signing · f = 1 when the first payment is inside DAS

adjusted cap cost
what is actually being financed
C=S+AIDC=$51,500+$645$1,000$0=$51,145
depreciation
per month, the part of the car you use up
dep=CRndep=$51,145$31,90036=$535
rent charge
per month, the interest, via the money factor
rent=(C+R)×MFrent=($51,145+$31,900)×0.0022=$183
monthly payment
computed from their own numbers
P=(dep+rent)×(1+t)P=($535+$183)×(1+0.06625)=$765
effective monthly
everything you pay, spread over the term; the number that gets compared
E=DAS+P×(nf)nE=$1,515+$765×(361)36=$786

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