A longer loan lowers the monthly payment, but you pay more interest and stay owed for longer, possibly after the car has lost value. Compare the total cost of each loan length before you choose. A longer loan can make sense only if the lower payment is needed and you can afford the total cost.

It takes the vehicle price, the down payment, trade-in and tax, the fees, the rate, and the term. It works out the amount financed and the level monthly payment. Results are estimates and can differ from a lender quote by a few cents.

The loan payment is only part of it. Add insurance, fuel or charging, parking and tolls, and a monthly maintenance fund. The payment plus those costs is the real monthly cost of the car.

Look at what is left after rent, food, debt payments, and the full car cost. There is no universal limit. A negative result means the car doesn't fit the budget as entered.

There is no single right amount. A larger down payment lowers the amount financed, the monthly payment, and the total interest. Keep some cash aside for insurance, registration, and repairs.

It depends on the price, the down payment, the rate, and the term. Change the inputs above to see how your own numbers compare.

Not always. Some lenders approve students on their own income and credit. Others ask for a cosigner when a borrower has little or no credit or irregular income. A cosigner is legally responsible for the loan, so it is a serious commitment either way.

Sometimes. Lenders look at income, the down payment, existing debts, and the vehicle. Having no credit history doesn't automatically mean a no, but it can mean a higher rate or a request for a cosigner. Ask lenders directly what they need.