When it comes to purchasing a car you will want to do your research. If you think that you might have found something that you would like, you should go online and use a car loan calculator. This is very handy when it comes to estimating what you will end up paying per month. It will ask you for some information and then you hit enter and it will give you plenty of options. They will tell you what you payment would be for different payment amounts. Basically, they will tell you what to expect to pay monthly, but without all the fees. Basically to use it you enter some numbers and then you can hit enter and it will do all the math for you. It does not include any emissions, inspections, licenses, and any other fee. You can estimate it and place that in the original price; however, you may be off a little. Usually there is about 800-1000 dollars added on by fees, depending on what your needs are. If you already have plates, then it's going to be about 100 dollars lower. It just depends on what your needs are. So what information do you need for a calculator to help figure out what you may pay. Well first you need to have the selling price, then you need to know if there are any rebates, your down payment, your tax rate, your interest rate, your trade in rate, and then if you have anything left to pay on your trade in. All this information can be found by looking up some interest rates and your book value for your current vehicle, but it all depends on the dealer too. You may get more for the car than it's valued, but that's up to the discretion of the dealer. Everything that you expect may be different that what you get, so you may want to add a few thousand on and off the original estimate so that you know exactly the range that you should expect. The reason why you should do a calculator is to make sure that you understand what you are looking at and the price you will pay. It helps people from making huge mistakes. Remember, just because a car looks good, doesn't mean you can afford it. You should never try to go for anything that is out of your purchase price. Every time you file for a loan it is marked on your report. The more rejected you are, the worst it makes you look, so why take the chance on something you can't afford anyway?