The three dials
A car payment is three dials: the amount financed (price minus your down payment and any trade), the APR (the yearly cost of borrowing), and the term (how many months). Turn any one and the payment moves. A longer term lowers the monthly number but raises the total you pay — 72 months costs more than 48 for the same car, every time.
Why credit changes the number
Lenders price risk. Stronger credit usually means a lower APR; rebuilding credit means a higher one. That's why the calculator on every financed listing here asks how your credit is — it moves the assumed APR band so the estimate is honest for you, not for someone else. None of it is an offer of credit: your real rate comes from a lender after an application.
Down payments do double duty
Money down shrinks the financed amount and it makes you a better risk on paper — both help. It also protects you from being upside down (owing more than the car is worth) in the early years, when depreciation moves fastest.
Get real numbers before you fall in love
Run the calculator on any listing, then talk to the seller about financing — dealers here can take a credit application by text and come back with real numbers. Walking in already knowing your bracket is the strongest position a buyer has.