Money factor

[1] When purchasing a vehicle, the characteristics of its engine, appearance, and appointments may be very appealing, but the money factor (i.e., its cost) may be prohibitive.
[2] The most common way to express the base interest rate of a lease is as a money factor. If you multiply a money factor by 2400, the result will be equivalent to the base interest rate. The money factor of most leases is known by a dealer's sales staff. The money factor measures the cost of money, just like an interest rate. However, money factors are used almost exclusively in leases, whereas interest rates are used everywhere else.