Buying an automobile is financially draining, stressful, and important. What type of auto loan is best? Should you buy a used or new automobile? Use the following guide to find out which auto calculator is best for you to make an informed financial decision.

» Calculator - Monthly Payments (calcbuilder.com)

This calculator from the Chicago Sun Times will help you determine how much your monthly payment will be.

» Calculator - New or Used, Which is Best? (calcbuilder.com)

Plug in the numbers and let this calculator spit out results that might help you determine whether you want to buy a new or previously owned vehicle.

» How Much To Put Down

Use this calculator from bankrate.com to crunch downpayment numbers, taking a look at different gains and tax-related issues.

» Lease Calculator

LeaseGuide.com's calculator analyzes your lease deal. Its interview format is simple to use. Very helpful.

» Loan vs. Lease Calculator

Use this Cars.com calculator to plug in the numbers and compare buy vs. lease figures.