There are many ways to get a car: buying used, buying new, and leasing. Before you buy, of course you should know what make and model you want and have a pretty good idea of what it should cost. Consider several different makes and models, then narrow your choices to three or four. It is also advisable to check the likely insurance cost of your dream car before you buy one, especially if you are young, have a record of recent claims or you do not have a clean driving history.
When you have found the car you want to buy, go to car dealers in your area. There are many car dealers and, with a little research, you should be able to find a list of reputable Phoenix car dealers that meet your needs. With so many car dealers out there, it also creates competition which promotes lower prices and better customer service.